Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 734
emembrane, which closes its orifice, and which then becomescontinuous with the wall of the alimentary canal; this lies freelyin the visceral sac, floating (as it were) in the liquid which itcontains. GENERAL STRUCTURE OF POLYZOA. 651 549. The principal features in the structure of this group willbe… … Coils of Leprotics:—A, L. Hyndmanni; B, L. figularis; C, L. verrucosa. b and c. The mouth is surrounded by a circle of tubular tentacles,which are clothed by vibratile cilia; these tentacles, in the specieswe are considering, vary from ten to twelve in number, but in someother instances they are…
Microscopy · Biology
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