PUPA. 



13. PUPA RCPICOLA, SAY. 

 PLATE LXX. FIGUEE 1. 



P. testa cylindracea, elongata, apice obtusa ; anfractibus 

 sex convexis, oblique striatis ; apertura semi-ovali, clentibus 

 quinque armata ; umbilico perforate. 



SYNONYMS AND REFERENCES. 



Pupa nqiicula, SAY, Jonrn. Acatl. II. 



GOULD, Biton Journ. \\ . S'ti, pi. 1C, I'. 13. 



PFKIFFEB, Monog. Hclic. Viv. II. 358. 

 P-iipa procera, GOT;LD, Boston Journ. III. 401, pi. 3, f. 12. 



DESCRIPTION. 



SHELL cylindrical, elongated ; epidermis brownish 

 horn-color ; whorls six, convex, the three anterior ones 

 of nearly equal diameter, the three posterior diminishing 

 very slightly, and forming an obtuse apex ; suture deep ; 

 lip brownish, thickened within, widely reflected ; aper- 

 ture lateral, semi-circular, truncated above by the body 

 whorl ; teeth five, one on the middle of the columella 

 prominent, compressed, emarginate in the middle, and 

 often bicuspid ; another at the termination of the axis, 

 marking internally the situation of the umbilicus, conical, 

 and often composed of two or more tubercles ; a third in 

 the base of the aperture, a fourth upon the outer lip, and 

 a fifth, often massive and prominent, deep in the fauces 

 behind the columellar tooth ; umbilicus minute. 



Length one-tenth, diameter one-twentieth, of an inch. 



