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"The nervous system of the Clam,—from the dorsal aspect. a, anterior; o, mouth; c.g., cerebral ganglia (brain); p.g., pedal ganglia; v.g., visceral ganglia." -Galloway, 1915

Clam Nervous System

"The nervous system of the Clam,—from the dorsal aspect. a, anterior; o, mouth; c.g., cerebral…

"Dissection of snail. T., Short horn; TT., long horn with eye; N., cerebral ganglia; S.G., salivary glands on the crop; F., foot; M., columellar muscle; V.C., visceral coil; O.T., ovotestis; V., ventricle of heart; R. rectum; U., ureter; B.V., blood vessels returning to the auricle from the mantle; A., pulmonary aperture; MA., edge of the mantle." -Thomson, 1916

Dissection

"Dissection of snail. T., Short horn; TT., long horn with eye; N., cerebral ganglia; S.G., salivary…

"Dissection of Peripatus. at., Antennae; or.p., oral papillae; c.g., cerebral ganglia; sl.d., duct of slime gland (sl.g.); s.o.8, eighth segmental organ or nephridium; v.c., ventral nerve connected by transverse commissures (co.) with its fellow; s.o.17, seventeenth nephridium; g.o., genital aperture; A., anus; p.d.c., posterior commissure; F.17, seventeenth appendage; a.g., last crural gland--that of the opposite side is marked v.g.; F.1, F.2 first and second legs; oe.co., osophageal nerve commisure; oe., oesophagus; ph., pharynx--the remainder of he gut is removed." -Thomson, 1916

Peripatus Dissection

"Dissection of Peripatus. at., Antennae; or.p., oral papillae; c.g., cerebral ganglia; sl.d., duct of…