. Outlines of zoology. Fig. 205.—Ideal mollusc.—After Ray Lankester. «K., Mouth ; s^.c, cerebral ganglia; c, edges of mantle skirt; of right lobe of digestive gland ; s., pericardial cavity ;y!,edges of shell-sac ; v., ventricle of heart; «., nephridium ; a7t.,anus ; «., posterior part of the foot; /,, opening of nephridium ;^., genital aperture; , abdominal ganglion on visceralloop » jT-z*-) visceral ganglion ; , left lobe of digestive gland ;;*., foot; , pedal ganglion; pleural ganglion. loop connecting the cerebrals below the gzcllet and providedwith two- buc
. Outlines of zoology. Fig. 205.—Ideal mollusc.—After Ray Lankester. «K., Mouth ; s^.c, cerebral ganglia; c, edges of mantle skirt; of right lobe of digestive gland ; s., pericardial cavity ;y!,edges of shell-sac ; v., ventricle of heart; «., nephridium ; a7t.,anus ; «., posterior part of the foot; /,, opening of nephridium ;^., genital aperture; , abdominal ganglion on visceralloop » jT-z*-) visceral ganglion ; , left lobe of digestive gland ;;*., foot; , pedal ganglion; pleural ganglion. loop connecting the cerebrals below the gzcllet and providedwith two- buccal ganglia (Fig. 205). Except in Lamelli-branchs, in which the head region is degenerate^ there is in the.
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192, booksubjectzoology
