PUPA. 327 



6. PUPA DECORA, GOULD. 

 PLATE LXXI. FIGURE. 3. 



P. testa minuta, cylindracca, nitida, lucida, vinosa, tenu- 

 issime striata, perforata ; spira anfractibus quinque vel sex, 

 ventricosis, apice rotundata ; sutura profunda ; apertura 

 semi-ovali, dentibus quatuor cruciatim dispositis armata ; 

 peristomate vix reflexo. 



SYNONYMS AND EEFEEENCES. 



1'tijia decora, GOULD, Proc. Best. Soc. Nat. Hist. II. 263, Dec. 1847; with 



a woodcut. 



DESCRIPTION. 



ANIMAL not observed. 



SHELL minute, cylindrical, rounded at apex, thin, 

 shining, translucent, of a wine-yellow color, regularly 

 striated by lines of growth. Spire of five or six closely 

 revolving, rounded whorls, deeply separated at the 

 sutures. Aperture nearly round or semi-oval, obliquely 

 limited by the penultimate whorl, armed with four slen- 

 der denticles, the largest of them on the transverse lip, 

 one on the columellar lip, and two on the outer lip, all 

 disposed so as to form the arms of a cross. The lip is 

 slightly reflexed, and indented opposite the base of the 

 two labial denticles ; at the columclla, it rises against a 

 distinct umbilical perforation. 



Length one-tenth of an inch, breadth one-twentieth of 

 an inch. 



