HELIX, II 



HELIX DEVIA, Go0LD. 



Testa orbieiilato-depressa, obliqu6 striata, dilute fiisco-coruea, 

 umbilico modico canalioulato perforata ; spira anfractibus sex con- 

 vexis, ultimo ad peripberiam rotundato; apertura transversa, 

 obUqiie lunata, ad anfractum penultimum unidentata, dente tri- 

 gouo ; labro albo, lat6 rettexo, ad basim horizontali, umbilicum 

 aliquanto ambiente. 



SYNONYMS ASD KEFEEEXCES. 



B. devia, Gould; Proc. Bost. Soc. Nat. Hist. II. 105. Aug. 1846; 

 Molhisca of the Exploring Expedition, p. 09, fig. 74. 

 Pfeiffer, Monog. Helic. I. 383. 

 E. Baskenittei, Pfeif., Proc. Zool. Soc. 1849. 

 Reeve, Concli. Icon. fig. 684. 



Shell solid, depressed globose, pale yellowish horn 

 color, or bromi, with fine lines of growth. Whorls six, 

 convex, sutiu-e well defined. Beneath slightly convex, 

 and perforated by a moderate-sized umbilicus, wliich 

 appears to have an ol}tuse channel revolving on the 

 whorls within it. Periphery rounded. Aperttu-e trans- 

 verse, obliquely lunate ; lip white, or sometimes rufous, 

 rather broadly reflected, horizontal at base, the inner 

 edge dilated mto an elongated, lamellar, white process, 

 and abruptly turning up to form a short columella, where 

 it dilates, and partly surroimds the umbilicus. Near the 

 upper margin, and on the penultimate whorl, is a white 

 trigonal tooth. 



Diam. | inch ; axis, 2% of an inch. Found at Puget's 

 Sound, and in Oregon. 



