Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 977
ty in different in-sects ; and even where thegeneral plan is the samethe details of conforma-tion are peculiar, so thatperhaps in scarcely any two species are they alike. Generally speak-ing, they are furnished with some kind of sieve at their entrance bywhich particles of dust, soot, ifcc. which… … branches of minute arbo-rescent growths from thebinder of the spiracle, as^ in the common fly (fig.i4\f,/ 6b3), or in the DytisGus ;) ) or it may ho a membrane: perforated wit h minuteholes, and supported uponwii a framework of bars thatw is prolonged in like mannerfrom the thickened marginof the…
Microscopy
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