Archive image from page 586 of Cuvier's animal kingdom arranged. Cuvier's animal kingdom : arranged according to its organization cuviersanimalkin00cuvi Year: 1840 NEUROPTERA. 575 according to the species, and which have heea carefully studied by Messrs. Van der Linden and Charpentier ; the legs short, and directed forwards. The female, in order to deposit her eggs, places herself upon plants close to the edge of the water, into which she repeatedly thrusts the extremity of her body. The larvae and pupa; reside in the water until the period of their final transformation, and are somewhat lik
Archive image from page 586 of Cuvier's animal kingdom arranged. Cuvier's animal kingdom : arranged according to its organization cuviersanimalkin00cuvi Year: 1840 NEUROPTERA. 575 according to the species, and which have heea carefully studied by Messrs. Van der Linden and Charpentier ; the legs short, and directed forwards. The female, in order to deposit her eggs, places herself upon plants close to the edge of the water, into which she repeatedly thrusts the extremity of her body. The larvae and pupa; reside in the water until the period of their final transformation, and are somewhat like the perfect insect, except in wanting wings. But the head, upon which we perceive no ocelli, is remarkable for the singular form of the piece which occupies the place of the lower lip. This is a kind of mask, covering the mandi- bles, maxillx, and nearly all the under side of the head. It is composed, 1st, of a principal triangular piece, which Reaumur calls the mentonnière, and which articulates by a hinge with a peduncle attached to the head ; 2nd, of two other pieces inserted at the lateral and anterior angles of the pre- ceding piece, moveable at the base, transverse, and entire, in the form of broad and denticulated plates, similar, in their mode 01 closing the mouth, to a pair of shutters, or in the form of small hooks. The insect is able to close or extend this very quickly, seizing its prey by means of the claws at its upper part. The posterior part of the abdomen is sometimes furnished with five unequal-sized conical plates, capable of opening or closing, and forming a kind of pyramidal tail, and sometimes with three elongated villose plates like oars. These insects may be seen every instant opening the rectum in order to take in a supply of air, when they close it again, and shortly aftenvards eject the water with force and mingled with bubbles of air, this action appearing to assist them in their motions. [Its more immediate object is, however, in order to obtain
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