OP CONCHOLOGT. 77 



Fig. 31, 35. S. MAXiLLATA, Gould. Proc. Best. Soc. N. 



Hist., iii., p. 38, July, 1848. 

 Binney, Terr. Moll., ii., p. 157, t. 40a., f. 2, 



1851. 

 W. G. Binney, I. c. iv., p. 65, 1859. No. 4. 



" 32, 33. S. BAKBIGERA, Redfield. Ann. N. Y. Lye. 

 Nat. Hist., vi., p. 171, t. 9, f. 4, 5, 7, Dec, 

 1856. 

 Binney, Terr. Moll., iii., p. 21, 1857. 

 W. G. Binney, 1. c. iv., p. 63, t. 77, f. 2, 1859. No. 10. 



" 34. S. Edwardsii, Bland. Annals N. Y. Lyceum 

 Nat. Hist., vi., p. 277, t. 9, f. 14-16, Feb., 

 1858. 

 W. G. Binney, 1. c. iv., p. 63, t. 78, f. 7, 9, 



1859. No. 8. 



HELICID^. 



Synonymy and Reference to 

 Plate 10. 



D^DALOCHILA. 



Figs. 1, 4. T>. LEPORINA, Gould, Proc. Bost. Soc. Nat. 

 Hist., p. 39, 1848. 

 Binney, Terr. Moll., ii., p. 199, t. 40a., f. 1, 



1851. 

 Bland, 1. c. vi., p. 348, Feb., 1858. 

 W. G. Binney, 1. c. iv., p. 92, 1859. 

 JET. pustula, var., Pfeiffer. Monog. Hel., iii., 



No. 1575, 1853. No. 1, 



" 2, 3. D. pustulotdes. Bland. Ann. N. Y. Lye. 

 Nat. Hist., vi., p. 350, Feb., 1858. ' 

 W. G. Binney, 1. c. iv., p. 93, 1859. 

 R. pusfula, Binney. Terr. Moll., ii., p. 201, 



t. 39, f. 3, 1851. No. 2, 



