Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 627
hortensis; the rows of teeth near thefrom each other to show then- form. Fig. 266. … Palate of Zonites cellarius. TONGUES OP GASTEROPODS. 605 the tongue of which has only three plates in each row,one bearing the small central teeth, and the two others thelarge lateral teeth (Eig. 269). The length of the tongue,and the number of rows of teeth, vary greatly in differentspecies.…
Microscopy
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