...individual I have reckoned above ten millions ; so subtle, they are scarce visible to the naked eye, and often resemble thin smoke ; so light, raised perhaps...dispersed in so many ways by the attraction of the sun, insects, wind, electricity, adhesion, &c., that it is difficult to conceive a place from which they...

...resembling thin smoke; so light that they may be raised perhaps by evaporation into the atmosphere, and dispersed in so many ways by the attraction of the...it is difficult to conceive a place from which they may be excluded." In turning our attention, in the next place, to the instrumentality of the aqueous...

...counted above 10,000,000 ; they are so subtile, thai they are scarcely visible to the nnked eye, and often resemble thin smoke; so light, raised perhaps by evaporation into the atmosphere; and dispersed in so many waya by the attraction of the sun, by insects, wind, elasticity, and adhesion,...

...scarcely visible to the naked eye ; and they are dispersed in so many ways by the attraction of the sunr by insects, wind, elasticity, adhesion, &c., that it is difficult to conceive it place from which they can be excluded." Fries quoted by Lindscy, Nat. Syst. p. 335 Where they fall...

...light that they may be raised, perhaps, by evaporation into the atmosphere, and dispersed in so inany ways by the attraction of the sun, by insects, wind,...it is difficult to conceive a place from which they may be excluded."* To what great distances heavy substances in a state of minute division may be conveyed...

...them in a single individual; so subtile that they are scarcely visible to the naked eye; and that they are dispersed in so many ways by the attraction of the sun, by insects, wind. elasticity, adhesion, etc., that it is difficult to conceive a place from which they can be excluded. We have also an account...

...Reticularia maxima I have counted above 10,000), so subtile (they are scarcely visible to the naked eye, and often resemble thin smoke), so light (raised, perhaps,...evaporation into the atmosphere), and are dispersed in BO many ways (by the attraction of the sun, by insects, wind, elasticity, adhesion, &,c.), that it...

...counted above 10,000,000 : they are so subtle, that they are scarcely visible to the naked eye, and often resemble thin smoke ; so light, raised perhaps by evaporation into the atmosphere ; and dispersed in so many ways by the There seems to be much force in the reasoning, LETTER and much probability...

...them in a single individual; so subtile, that they are scarcely visible to toe naked eye ; and they are dispersed in so many ways by the attraction of the sun, by insects, wind, elasticity, adhesion, &c.,that it is difficult to cenoeive a place from which they can be excluded." — Fries quoted by...

...maxima I have counted above 10,000,000), so subtle (they are scarcely visible to the naked eye, and often resemble thin smoke), so light (raised, perhaps,...attraction of the sun, by insects, wind, elasticity, &c.), that it is difficult to conceive a place from which they can be excluded." According to this...