 ... of the methods of fisheries, past and present, and the statistics of production and commerce of fishery products. Man being one of the chief destroyers of fish, his influence' upon their abundance must be studied. Fishery methods and apparatus must...  Bulletin of the United States Fish Commission - 170. lappuseautors: United States Fish Commission - 1883Pilnskats - Par šo grāmatu
 | American Association for the Advancement of Science - 1881 - 916 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...supplied. 3. The introduction and multiplication of useful food fishes throughout the country, especially in waters under the jurisdiction of the general government,... | |
 | 1881 - 898 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...supplied. 3. The introduction and multiplication of useful food fishes throughout the country, especially in waters under the jurisdiction of the general government,... | |
 | George Brown Goode - 1883 - 96 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...supplied. 3. The introduction and multiplication of useful food fishes throughout the country, especially in waters under the jurisdiction of the general government,... | |
 | 1883 - 550 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...supplied. 3. The introduction and multiplication of useful food fishes throughout the country, especially in waters under the jurisdiction of the general government,... | |
 | George Brown Goode - 1883 - 412 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...by others more serviceable. Statistics of industry 'sftid trade must be secured for the use of Congress in making treaties or imposing tariffs, to show... | |
 | John Michels (Journalist) - 1918 - 684 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...of useful fishes may be discouraged, and that those that are inefficient may be replaced by others more serviceable. Statistics of industry and trade must... | |
 | United States National Museum - 1884 - 666 lapas
...statistics of production and commerce of fishery products. Man being one of the chief destroyers of tisb, his influence upon their abundance must be studied....the use of Congress in making treaties or imposing tariff's, to show toproducers the best markets and to consumers where and with what their needs may... | |
 | Smithsonian Institution. Board of Regents - 1890 - 894 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those, which threaten the destruction..."(3) The introduction and multiplication of useful food fishes throughout the country, especially in waters under the jurisdiction of the General Government,... | |
 | Smithsonian Institution. Board of Regents - 1890 - 894 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...Statistics of industry and trade must be secured for the nse of Congress in making treaties or imposing tariffs, to show to producers the best markets, and... | |
 | United States Naval Institute - 1895 - 1296 lapas
...be studied. Fishery methods and apparatus must be examined and compared with those of other lands, that the use of those which threaten the destruction...inefficient may be replaced by others more serviceable. StatiFtics of industry and trade must be secured for the use of Congress in making treaties or imposing... | |
| |
