. Guide leaflet. FIG. 7. MOSQUITO LARV/E {Culex pipiens Linn.)HATCHING FROM AN EGG-RAFT. The escaping larvse are carrying on the cap-like lower ends of the egg caps may be seen attached, like hinged lids,to some of the eggs of the raft, and this is theusual condition. The egg-raft was in this casedisturbed, and the instant and simultaneoushatching of the larvae occurred with such suddenviolence that the lids were carried away on theLarvse heads. Magnification about 12 D - <y = to - i I < 3 *a Hi L , • ^■l \ — I - 14 AMERICAN MUSEUM GUIDE LEAFLETS hatc
. Guide leaflet. FIG. 7. MOSQUITO LARV/E {Culex pipiens Linn.)HATCHING FROM AN EGG-RAFT. The escaping larvse are carrying on the cap-like lower ends of the egg caps may be seen attached, like hinged lids,to some of the eggs of the raft, and this is theusual condition. The egg-raft was in this casedisturbed, and the instant and simultaneoushatching of the larvae occurred with such suddenviolence that the lids were carried away on theLarvse heads. Magnification about 12 D - <y = to - i I < 3 *a Hi L , • ^■l \ — I - 14 AMERICAN MUSEUM GUIDE LEAFLETS hatched Larva the latter regions can hardly be distinguished from eachother, but as the larva grows the three fused segments of which thethorax consists become enlarged and flattened. Legs are absent, but boththorax and abdomen bear a great number of symmetrically placed pairsof branched feather-like hairs, arranged in a manner characteristic ofthe species. These hairs project laterally and aid in maintainingequilibrium, but they undoubtedly serve other purposestoo, being also organs of touch and possibly of , but smaller, hairs are found on the back of the head, and manyvery small, simpler hairs are distributed over the whole body, particu- Appendages .BRUSHES TEETH ON MANDIBLE STOUT HAIR ON MANDIBLE MOUTH OPENING
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
