They are classified here according to the source or combination of sources upon which the family has been wholly dependent for income within the year ending with the taking of the schedule. The four items which make up all incomes except those entered in the last column of the table are earnings of husband, earnings of wife, contributions of children, and payments of boarders or lodgers. It will be noted that all families deriving their entire income from husband, wife, and children have a net income, and that all incomes, including the payments of boarders or lodgers, are gross; also that all families having any part of their income from money invested appear in the last column of this table.

Months worked during the past year by persons 16 years of age or over employed away from home, by sex and by general nativity and race of individual: Study of households. Tables 39 and 108.-Members of households of working age who have been employed outside of the home within the year ending with the taking of the schedule are here classified according to whether they have worked under three months, three and under four months, four and under five months, etc. For the purposes of the table all cases of part-time employment have been reduced to a full-time basis; for example, an employee who has worked seven months on half time is counted as having worked three and one-half months. The data are shown for males and females separately.

Number and class of households, by general nativity and race of head of household: Study of households. Tables 40 and 109.All households are here divided into " family households." or households where a family is present, and "group households," or households composed of a group of persons, no family included. Family households are further classified as being with or without boarders or lodgers. Family households with neither boarders nor lodgers are subdivided into those consisting of a single family and those consisting of two or more families living in the same apartment and sharing one or more rooms. Family households with boarders or lodgers are subdivided into those who keep boarders and those who keep only lodgers. Households keeping both boarders and lodgers are here entered as households with boarders. "Boarders" are persons to whom both food and lodging are furnished.

Number of households paying each specified rent per month per apartment, by general nativity and race of head of household: Study of households. Tables 41 and 110.-In these tables appear only the renting households which report the rent paid for the unfurnished rooms which they use for living purposes. The following classes are thus excluded from these tables:

1. Households which rent apartment furnished.

2. Households which pay an undivided sum for apartment and place of

business.

3. Resident landlords who pay an undivided sum for the apartment they occupy and other apartments which they sublet.

4. Households which pay "ground rent."

Number of households paying each specified rent per month per room, by general nativity and race of head of household: Study of households. Tables 42 and 111.-The households included in these tables are the same as in Tables 41 and 110.

Number of households paying each specified rent per month per person, by general nativity and race of head of household: Study of households. Tables 43 and 112.-The households included in these tables are the same as in Tables 41 and 110.

Number of households keeping boarders and lodgers and number of boarders and lodgers, by general nativity and race of head of household: Study of households. Tables 44 and 113.-These tables show the number of households keeping boarders and the number keeping only lodgers; it also shows the total number of boarders and of lodgers. "Boarders" both sleep and eat with the household. Households which keep lodgers in addition to boarders are classified with the households keeping boarders. Among certain races it is customary to include one of the following accommodations with the nominal price of lodging: (1) Coffee or soup is served once a day; (2) the lodger is allowed the privilege of cooking his food on the kitchen stove; (3) the housewife buys the lodger's food, having the price charged in his account book, and prepares the food for him. Persons with such financial arrangements consider themselves lodgers and have been classified as such in these tables.

Number of persons per household in apartments of each specified size, by general nativity and race of head of household: Study of households. Tables 45 and 114.-Households are here classified according to the number of rooms which they occupy, and are further classified according to the number of persons of which they are composed. Rooms used exclusively for business purposes, although connected with the apartment, are not counted in the number of rooms per apartment. As before stated, only such persons as sleep in the apartment are considered members of the household.

Number of households occupying apartments of each specified number of rooms, by general nativity and race of head of household: Study of households. Tables 46 and 115.-These tables summarize a part of the data of Tables 45 and 114. Households are here classified according to the number of rooms they occupy.

Number of households of each specified number of persons, by general nativity and race of head of household: Study of households. Tables 47 and 116.-These tables summarize a part of the data in Tables 45 and 114. Households are here classified according to the number of persons in the household.

Number of households and number of persons in apartments of each specified number of rooms, by general nativity and race of head of household: Study of households. Tables 48 and 117.-These tables summarize part of the data in Tables 45 and 114. They give the total number of households and the total number of persons in apartments of each specified size.

Persons per room, by general nativity and race of head of household: Study of households. Tables 49 and 118.-These tables show the number of households which average less than one person per room, one and less than two persons per room, two and less than three persons per room, etc. These tables also show the average number of persons per household and per room for all households studied. Persons per sleeping room, by general nativity and race of head of household: Study of households. Tables 50 and 119.-These tables present the data relative to persons per sleeping room, Only rooms

which are regularly used for sleeping purposes are here considered sleeping rooms. The tables are similar to Tables 49 and 118.

Number of households regularly sleeping in all except each specified number of rooms, by general nativity and race of head of household: Study of households. Tables 51 and 120.-These tables classify households according to the number of rooms left for living purposes, after the number of sleeping rooms has been deducted.

Literacy of male employees, by general nativity and race: Study of employees. Plate glass, window glass, and bottles. Tables 52, 53, and 54.-These tables show the number of employees who read some language and the number who both read and write some language.

Literacy of employees, by sex and general nativity and race: Study of employees. Tableware. Table 55. This table shows the number of employees who read some language and the number who both read and write some language. In all industries where employees of both sexes report, the tabulation is by sex.

Literacy of persons 10 years of age or over, by sex and general nativity and race of individual: Study of households. Tables 56 and 121.-This table, which is concerned with members of households, is similar to Tables 52, 53, 54, and 55, relating to employees.

Literacy of foreign-born persons 10 years of age or over, by sex, years in the United States, and race of individual: Study of households. Tables 57 and 122.-These tables classify foreign-born persons, male and female, according to the number of years since their first arrival in the United States. The classes are: Under 5 years, 5 to 9 years, and 10 years or over. The tables show under each of the three groups the number of persons who can read some language, and the number who can both read and write some language.

Literacy of foreign-born persons 10 years of age or over, by sex, age at the time of coming to the United States, and race of individual: Study of households. Tables 58 and 123.-These tables classify foreign-born persons, male and female, according to whether they were under 14 years of age or 14 years of age or over at the time of their first arrival in the United States and show the number in each group who can read some language and the number who can both read and write some language.

Conjugal condition of male employees, by age groups, and general nativity and race: Study of employees. Plate glass, window glass, and bottles. Tables 59, 60, and 61.-For the purpose of this table male employees are divided into four age groups-16 to 19 years, 20 to 29 years, 30 to 44 years, and 45 years or over-and are further classified according to whether they are single, married, or widowed. With the widowed are included the relatively few persons who are divorced or deserted.

Conjugal condition of employees, by sex, age groups, and general nativity and race: Study of employees. Tableware. Table 62.-This table is similar to Tables 59, 60, and 61, relating to male employees.

Conjugal condition, by sex, age groups, and general nativity and race of individual: Study of households. Tables 63 and 124.-These tables, which are concerned with members of households 16 years of age or over, are similar to Tables 59, 60, 61, and 62, relating to employees.

Location of wives of foreign-born employees, by race of husband: Study of employees. Plate glass, window glass, bottles, and tableware. Tables 64, 65, 66, and 67.-This table shows the number of foreign-born married employees who report wife in the United States and the number who report wife abroad. The tabulation is by the race of the employee.

Visits abroad made by foreign-born male employees, by years in the United States and race: Study of employees. Plate glass, window glass, and bottles. Tables 68, 69, and 70.-Employees are here classified according to the number of years since their first arrival in the United States. The classes are: Under 5 years, 5 to 9 years, and 10 years or over. Under each group employees are classified according to whether they have made no visit or one, two, or three or more visits abroad. In all industries where employees of both sexes report, the data are shown separately for each sex.

Visits abroad made by foreign-born employees, by sex, years in the United States, and race: Study of employees. Tableware. Table 71. This table is similar to Tables 68, 69, and 70, relating to male employees.

Number of persons within each age group, by sex and general nativity and race of head of household: Study of households. Tables 72 and 125.-These tables give for all households studied the number of persons of each sex who report their ages as under 6 years, 6 to 13 years, 14 and 15 years, 16 to 19 years, 20 to 29 years, 30 to 44 years, and 45 years or over. The tabulation is by race of

head of household.

Number of male employees of each age or within each age group, by general nativity and race: Study of employees. Plate glass, window glass, and bottles. Tables 73, 74, and 75.-Employees are here classified according to age, by years if between 14 and 19 years of age, and by year groups if 20 years of age or over.

Number of employees of each age or within each age group, by sex and general nativity and race. Study of employees. Tableware. Table 76.-This table is similar to Tables 73, 74, and 75, relating to male employees.

Number of families owning home, renting, boarding, etc., by general nativity and race of head of family: Study of households. Tables 77 and 126.-These tables show for all families studied the number owning their homes, the number renting homes, the number boarding, and the number lodging. The few dependent families are included in the miscellaneous class "In other conditions."

General occupation of persons under 16 years of age, by sex, age groups, and general nativity and race of individual: Study of households. Tables 78 and 127.-These tables show for males, females, and totals, the number of children under 6 years of age, 6 to 13 years of age, and 13 and 14 years of age, and further show for each age group the number of children at home, at school, and at work. The few children with employment outside of school hours are tabulated here as at school, and the few children found working through the day and attending night school are here entered as at work.

Present political condition of foreign-born male employees who have been in the United States five years or over and who were 21 years of age or over at time of coming, by race and length of resi

dence: Study of employees. Plate glass, window glass, bottles, and tableware. Tables 79, 80, 81, and 82.-This table includes only foreign-born employees who were 21 years of age or over at the time of their first arrival in the United States and who have been in the United States long enough to acquire citizenship. These persons are classified as in the United States five to nine years and ten years or over and are further classified under each year group as aliens, citizens, and persons with only their first papers.

Present political condition of foreign-born males who have been in the United States five years or over and who were 21 years of age or over at time of coming, by race of individual and length of resi dence: Study of households. Tables 83 and 128.-These tables, which are concerned with members of households, are similar to Tables 79, 80, 81, and 82, relating to employees.

Ability to speak English of persons 6 years of age or over, by sex and general nativity and race of individual: Study of households. Tables 84 and 129.-These tables show for all non-English-speaking races the number of members of households, male and female, who can carry on a conversation in the English language.

Ability to speak English of foreign-born persons 6 years of age or over, by sex, age at time of coming to the United States, and race of individual: Study of households. Tables 85 and 130.-These tables classify foreign-born persons, male and female, of non-Englishspeaking races, according to whether they were under 14 years of age or 14 years of age or over at the time of their first arrival in the United States, and show the number in each of the two groups who are able to speak English.

Ability to speak English of foreign-born persons 6 years of age or over, by sex, years in the United States, and race of individual: Study of households. Tables 86 and 131.-These tables classify foreign-born persons, male and female, of non-English-speaking races according to the number of years since their first arrival in the United States. The classes are: Under five years, five to nine years, and ten years or over. Under each group the number able to speak English is shown.

Ability to speak English of foreign-born male employees, by age at time of coming to the United States and race: Study of employees. Plate glass, window glass, and bottles. Tables 87, 88, and 89.These tables are similar to Tables 85 and 130, relating to members of households.

Ability to speak English of foreign-born employees, by sex, age at time of coming to the United States, and race: Study of em ployees. Tableware. Table 90.-This table is similar to Tables $5 and 130, relating to members of households.

Ability to speak English of foreign-born male employees, by years in the United States and race: Study of employees. Plate glass, window glass, and bottles. Tables 91, 92, and 93.-These tables are similar to Tables 86 and 131, relating to members of housholds.

Ability to speak English of foreign-born employees, by sex, years in the United States, and race: Study of employees. Tableware. Table 94.-This table is similar to Tables 86 and 131, relating to members of households.