UROCOPTIS, S. G. GONGYLOSTOMA. 239 



Gundlach remarks that he found this species eastward of 

 Mr. Blain's estate, where torquata occurs, and that where 

 one of these species lives the other is not found. Unlike 

 torquata, the peripheral band follows the suture, bordering 

 it above. 



117. U.'IRRORATA (Gundlach). PL 56, figs. 17, 18, 19. 



Shell shortly rimate, cylindric, the upper half tapering 

 to a narrow truncation or retaining the early whorls; thin; 

 cream-white, profusely dotted and streaked with corneous, 

 and generally having a corneous or brown girdle around 

 the base. Surface glossy, very weakly but coarsely striate, 

 the base and latter part of the last whorl rib-striate. Whorls 

 somewhat convex, more or less strongly crenate or denticu- 

 late below the suture ; the last with a low basal keel, not free. 

 Aperture obliquely oval, the peristome expanded, interrupted 

 above; coluniella obliquely truncate. Axis slender, with a 

 single thin, serrate spiral lamella. 



Length 24, diam. 4.7 mm.; whorls 12 (Banos de S. Diego). 

 Length 17.5, diam. 3.8 mm. ; whorls 11 (Vinales) . 

 Length 26, diam. 4.5 mm.; whorls 18 (apex entire; B. 

 Honda) . 



Length 22, diam. 3.8 mm.; whorls 17^ (apex complete; 

 S. Jose de Cuba) . 



Length 24, diam. 4.5 mm.; whorls 17 (Gundl., type). 

 Western Cuba: San Diego de los Banos, on stones (Gund- 

 lach) ; Santa Catalina, San Jose de Cuba, Sagua, Isabel 

 Maria, Vinales (Chas. Wright) ; Pan de Azucar (Arango) ; 

 Bahia Honda (Bid.), all in prov. Pinar del Rio. 



Cyl. irrorata GUNDL., Malak. BL, iii, 1856, p. 41 ; in Poey, 

 Memorias, ii, p. 16, pi. 2, f. 19. PFR., in Conchyl. Cab., p. 64, 

 pi. 7, f . 12, 13 ; Malak. BL, xi, p. 128 ; Monogr., iv, p. 171.- 

 SOWERBY, C. Icon., xx, pi. 4, f. 32. ARANGO, Contrib., p. 105. 

 The dotted and streaked coloration is characteristic. The 

 following form is probably a synonym. 



U. tumidiora (Sowerby). PL 56, fig. 23. "Shell thin, 

 fulvous, variegated with horny brown, rather pyramidal; 

 whorls short, rather convex, slightly crenated at the suture, 



