10 



AMNICOLA LIMOSA, Say.. 



PLATE 1. FIGS. 5, 6. 



A. testa, lata, curta, late umbilicata, livescente; apertura 

 subrotundata, labio in anfractum ultimum attingente. Long. 

 5 mm. 



SYNONYMS AND REFERENCES. 



PALUDINA LIMOSA, SAY. Jour. Acad. Nat. Sci., vol. i. p. 



125. Anno 1817. Nich. Encyc. 3d Am. ed. 1819. 

 P. PORATA,, ADAMS. Thompson's Hist, of Vermont, p. 2 ? 

 Jl. PORATA, GOULD. Invert, of Mass., p. 229, fig. 157. 

 Jl. LUSTRICA, HALD. In letters. 



DESCRIPTION. 



ANIMAL pale yellow, a dark band across the 

 head immediately in front of the tentacles, 

 around the base of which it turns and continues 

 backwards along the side below the eye;* ten- 

 tacles translucent, blackish along the margin. 



SHELL "conic, whirls slightly wrinkled, con- 

 vex; suture profoundly indented; aperture oval, 



* Say and Gould both notice this character, which ap- 

 pears to be constant. 



