208 



LAND AND FRESH "WATER SHELLS OF N. A. [PART L 



Cape St. Lucas. (Xantus). No. 8564 of the collection agrees 

 perfectly with the figure given by Deshayes and Ferussac, pi. 

 133, f. 1, 2. The bauds of coloring are longitudinal in this speci- 

 men, and not transverse as in Reeve's figure. Numerous young 

 shells were also collected by Mr. Xantus. Pfeififer gives the 

 mountains of Peru as habitat of the species. It is also quoted 

 from Campaiia do Quillota, Chili. 



BlllimulUS dealliatlis, Say. — Shell iinlbilicated, ovate-conical, 

 or rather ventricose, thiti, white, with longitudinal Hues and blotches of 

 ash ; suture impressed ; whirls six to seven, ventricose, 

 Fig. 359. acuminate, the last equalling the spire ; aperture oval ; 



peristome acute, rarely a little thickened within, some- 

 what reflected at its columellar portion, and partially 

 hiding the umbilicus. Length of axis 18 mill., diam. 

 12 mill. 



Helix chalbata, Say, Journ. Phila. Acad. II, 159 (1821) ; 



ed. BiNNEY, 20. 



Bulimus dealbatus, Potiez & Michaud, Galerie, I, 139, 



pi. xiii, f. 3, 4. — Philippi, Icon. I, p. 158, pi. ii, f. 



6 (1844).— Pfeiffer, Mon. Hel. Viv. II, 187; in 



Cheiixitz, ed. 2, p. 55. — Reeve, Con. Icon, f. 455. 



— BiNNEY, Terr. Moll. II, 276, pi. li, f. 1 ; pi. li a, excepting upper 



and lower fig. ?.— W. G. Binney, Terr. Moll. IV, 130, pi. ixxx, f. 6, 7. 



Bulimus confinis, Reeve, Con. Icon, 643 (1850).— Pfeiffer, Mon. Hel. 



Viv. Ill, 341. 

 Bulimus liquabilis, Reeve, Con. Icon. 387. 

 Bulimus lactarius, Menke in Pfeiffer,' Mon. II, 187.— Reeve, Con. Icon. 



2l7,_GonLD, Terr. Moll. Ill, 35. 

 Scutalus dealbatus, Tryon, Am. Journ. Conch, III, 173, pi. xiv, f. 9 (18G7). 



Found from North Carolina to Missouri and Texas. Very 

 common in Central Alabama, where immense beds of semifossil- 

 ized shells are found, several feet below the surface. 



This species, when found in Northern Alabama, is about three- 

 fourths of an inch in length, is quite thin, almost transparent, 

 with a thin peritreme. In more southern localities its size is 

 greater, its shell thicker, its coloring licher, and within the 



' Pfeiffer quotes as synonym the unpublished name of Bulimus cjaleotiti, 

 Nyst. 



