Binney on Terrestrial Mo/lnsks. 125 



pale ; the posterior face of" the reflected labrum is immaculate, 

 and its callus base is not angulated ; the aperture is much less 

 wide than that of lactea ; and in Mr. Hyde's specimen, a small 

 fissure remains near the umbilicus. It still more closely resem- 

 bles a variety of a shell which inhabits the Island of Candia, but 

 that species has always a white base, being immaculate beneath 

 the inferior band. Say, (1. c.) 



It seems probal)le that Helix irrorata is a variety of H. lactea 

 Mull., with which 1 compared it when describing it. Say, 

 (Binney's ed.) p. 36. 



Helix irrorata Say, (Binney's ed.) p. 23. 



DeKay, N. Y. Moll. 45, (van of lactea). 



Pfeiffer, Mon. i. 272. 

 Helix lactea Mullee, teste Binney', Pfeiffer, (iii.) Reeve, Say. 



Helix nemoralis Lin. teste Gray, Turtdns, Man. 27, (" Canada and 

 United States.") 



Helix pellucida Fabricius, vid. Vitrina Angelicce. 



Helix pisana Miill. quoted from U. S. by Ferussac, (Tabl. Syst.) 

 and Gray (Turt. Man.) 



Helix subcylindrica Pulteney is a Ti'uncatella. 



Helix IVumhalli Linsley. (Shells of Connecticut, p. 10 ; Sill. 

 Journ. 48, p. 280). Spire much depressed or very little ele- 

 vated ; sutures slightly marked and umbilicus large and deep; 

 color a dull white with a tinge of green ; shell thin and trans- 

 lucent ; diameter about -^^^ inch, height gij inch ; found on the 

 shore of Long Island Sound near high-water-mark, and occa- 

 sionally near low-water-mark at Stonington, by Mr. J. H. 

 Trumbull. [May not this be Margarita arctica ? Eds.] 



" Helix Trumbulli is Skenca serpulotdes." Gould, Silliman's 

 Journ. n. s. vi. 235. 



Helix virgata Mont. " United States," Ferussac, Tabl. Syst. 



Genus BULIMUS Scopoli. 



BTJLIMUS ZEBRA Muller vol. ii. p. 271, pi. liv.; pi. Ixxvii. fig. 13; 



pi. Ixxviii. fig. 12. 



For additional synonyms, &c. see PfeifTer. 



On pi. 78, fig. 12, is a variety of this species from Key 



