122 HELICID^. 



might be regarded, at first sight, as a young, or starved 

 specimen of it. It is much more delicate, and generally 

 much smaller. Its form is much more globose, approach- 

 ing, in the foi-m of the large whorl, to H. aperta; and the 

 brown band is more clearly edged with yellow. — [g.] 



13. HELIX ABJECTA, Gould. 

 Plate XIII. a. Figukz 2. 



H. testa imperforala, orbiculari-depressa, cornea, liris 

 obliquis porcata ; spira depressa, anfractibus quinis con- 

 vexiusculis, ultimo subangulato ; basi convexa, ad centrum 

 impresso et callo albo obtecta ; apertura rotundato-lunari, 

 labro albo, flexuoso, valde reflexo, postice instricto. 



SYNONYMS AND KEFEKENCES. 



H. abjecta, Gould, Proc. Bost. Soc. Nat. Hist. lU. 40, Oct. 1848. 

 DESCRIPTION. 



Animal. Not observed. 



Shell, rather small, depressed, somewhat discoidal, 

 of medium thickness and a dingy horn-color, sculptured 

 with coarse oblique furrows. Spire slightly convex, whorls 

 about six, alittle convex, and separatedby a well impressed 

 suture ; the outer whorl is a little angular at its periphery. 

 Beneath, it is more smooth, moderately convex, with 

 the central region excavated, and covered with a glaz- 

 ing of white callus. The aperture is lunate, and very 

 oblique ; the lip is white, broadly reflected, its basal 

 portion horizontal, and its outer portion flexuous. 



