Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 500 ARACHlsIDA. dorsal surface of the cephalic region behind the frontal margin. Their arrangement is very regular, and is characteristic for the different genera (figs. 398 and 399). °0 00 o o o o st st Firs. 397.—Mygale from the ventral side, part of the skin is turned aside (regue animal). E, Chelicera; Bg, thoracic ganglionic mass; P, P', °00° oooo • C O o o 000° d FIG. 399. — Arrange- FIG. 400.— Alimentary canal ment of the eyes in of Mi/gale fregne animal). G, Cerebral ganglion;

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Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 500 ARACHlsIDA. dorsal surface of the cephalic region behind the frontal margin. Their arrangement is very regular, and is characteristic for the different genera (figs. 398 and 399). °0 00 o o o o st st Firs. 397.—Mygale from the ventral side, part of the skin is turned aside (regue animal). E, Chelicera; Bg, thoracic ganglionic mass; P, P', °00° oooo • C O o o 000° d FIG. 399. — Arrange- FIG. 400.— Alimentary canal ment of the eyes in of Mi/gale fregne animal). G, Cerebral ganglion; Ma, cliverticula of stomach; L, hepatic ducts ; N, Mal- pighian vessels; N, rec- tum.

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