Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 692
n inEig. 290; wherewe see two longtrunks (/) pass-ing from one endof the body to theother, and con-nected with eachother by a trans-verse canal inevery segment;these trunks com-municate, on theone hand, byshort wide pas-sages, with the stigmata, spi-racles, or breath-ing-pores {g),through whichthe… … Tracheal system of iVepa (Water - scorpion):—a, head; h, first pair of legs; c, first segment of thethorax; d, second pair of wingsj e, second pair oflegs; f, tracheal trunk; g, one of the stigmata;h, air-sac. 670 INSECTS AND AKACHNIDA. of air-sacs {h) which is situated in the thorax; but the size…
Microscopy
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