176 UROCOPTIS, S. G. COCHLODINELLA. 



Free Inst. Sci. iii, p. 13), from the Oligocene of Ballast Point,. 

 Tampa, Florida, belongs apparently to Cochlodinella. 



Key to Species. 



I. Aperture subcircular. Western Cuba. 



1. Neck quite short, or adnate. U. poeyana, no. 48; 



U. presasiana, no. 49 ; U. conferta, no. 50. 



2. Neck moderately long,- round. 



a. Corneous or brown ; riblets slightly arcuate, 

 the intervals about three times their width. 

 Length 14 to 16, diam. 3.6 to 4 mm. 



U. illamellata, no. 51. 



b. Ribs sinuous, wide-spaced. Length 14 to 

 16, diam. 3 to 3.5 mm. U. mixta, no. 53. 



c. Dark purple-brown; riblets rather close and 

 fine, 17-19 x 4-4.4 mm. 



U. atropurpurea, no. 54. 



d. Pale corneous; striation fine and close, 

 coarser on the rather long neck; length 

 12.5-14, diam. 3.1-3.5 mm. U. soluta, no. 55. 



[II. Aperture rounded-ovate, the outer margin angularly 

 produced; striation close, fine; neck flattened above 

 and on the outside. About 10 x 2.5 mm. Eastern 

 Cuba. Brackypodella angulifera.} 



48. U. POEYANA (Orbigny). PL 42, figs. 77, 78, 79. 



"Shell much lengthened, fusiform, thin, corneous, longi- 

 tudinally acutely striate ; spire much lengthened, inflated, 

 acuminate behind, truncate (subulate in the young), whorls 

 11, somewhat convex, the last carinate in front; aperture 

 round, peristome continuous, acute. Length 14, diam. 3 mm." 

 (Orb.} 



Cuba (M. de la Sagra). 



Pupa poeyana ORB., Hist, de 1'Ile de Cuba, Moll., i, p. 185, 

 pi. 12, f. 24-26 (1841, </'. Mai. BL, xxii, p. 174, footnote). - 

 Cylini/rtlla poeyana Orb., PFR., Monogr., ii, p. 380; iii, 572; 

 iv, 702; vi, 374; Mai. BL, 1854, p. 211; Conchyl. Cab., p. 26, 

 pi. 3, f. 29-31. CROSSE, J. de C., 1890, p. 229. ARANGO, 

 Fauna Mai. Cubana, p. 116. 



