280 HELICID^. 



to the locality of Ms species ; and I tliink the doubt may 

 also be applied to our specimens. Though brought from 

 Key West, they might have been accidental stragglers, 

 even from the South American continent ; or they might 

 have been obtained from some collector -who had given a 

 wrong locality. — [g.] 



6. BULOmS DECOLLATUS, LiN. 



Plate L. Figuke 1. 



B. testa imperforata, cylindrico-turrita, corneo-albida ; 

 spira cylindracea, truncata ; apertura ovali, superne angu- 

 lata ; labro simplici, intus incrassato. 



SYNONYMS AND KEFEKENCES. 



Hdix decoUata, Lm. Syst. Nat. 1247. 



MuLLEK, Verm. Hist. II, 114. 

 Bidimua decoUatua, Dkap. 76, pi. 4, f. 27. 



De&hayes, ia Lamarck, VIII. 229. 



Rosssiassler, Icon. 5-6 ; Heft 45, pi. 28, f. 3S4. 

 Bulimiis mtiltilatua, Say, Journ. Acad. 11. 373. 

 Bulimus mutUatus, Jay, Calal. 1839, 56. 



Pfeiffer, Monog. Helic. Viv. II. 153. 



Keeve, Conch. Icon. pi. 51, fig. 331. 



DESCRIPTION. 



Animal. Body short, extending but little behind the 

 aperture, blackish, or bluish-black on the head and back, 

 with decidedly green reflections in certain lights, the 

 sides and posterior extremity olivaceous ; surface finely 

 granulated ; upper tentacles slender and rather short ; 

 ocular points very small; lower tentacles very short. 



