OP CONCHOLOGY. 27 T 



HELICODISCUS. 



Fio-.60. n. LiNEATA, Say. Jour. Acad. Nat. Sciences, 



i., p. 18, (1817.) No. 1. 



Binney, 1. c, ii., p. 261, t. 48, fig. 1, (1851.) 



PSEUDOHYALINA. 



{See fig. 59.) 



" 61. P. INCRUSTATA, Pocy. Memorias, i., p. 208, 



212, t. 12, figs, il-16, (1852.) No. 3. 



W. G. Binney, 1. c, iv., p. 68, )1859.) 

 S. saxicola, (not of Pfeiffer,) Binney, 1. c, 

 ii., p. 174, t. 29a, fig. 4, (1851.) 



" 62. P. MiNuscuLA, Binney. 1. c, ii., p. 221, t. 17a, 



fig. 2, (1851.) No. 2. 



H. minutalis, Morelet, Testacea Novissiraa, ii., 



p. 7, (1851.) 

 JI. apex, Adams, Cont. to Concli., p. S6, (1849.) 

 JI. Lavalleana, H. Manriniana, D'Orb., Moll. 

 Cuba, p. 161, t. 8, figs. 20-22, (1853.) 



CONULUS. 



{See figs. 37, 38.) 



" 63. C. MiNUTissiMA, Lea. Trans. Amer. Philos. 



Soc, ix., p. 17, (1844.) No. 4. 



W. G. Binney, 1. c, iv., p. 100, t. 77, figs. 6, 

 7, (1859.) 

 H. minuscula, Binney, ii., p. 221, (1851.) 



" 64. G. GuNDLACHi, Pfeiffer. Wiegmann's Archiv. 



fiir Naturgesch., i., p. 250, (1840.) No. 3. 



H. egena, Gould, (not of Say,) in Binney, 1. c, 

 ii., p. 245, t. 22a, fig. 3, (1851.) 



PSELTDOHYALINA. 



{See Species 59. J 

 " 65. P. LiMATULA, Ward. Binney, 1. c, ii., p. 219, 



t. 30, fig. 2, (1851.) No. 1. 



PATULA. 



{See Species 53. J 



P. Whitneyi, Newcomb. Proc. Cal. Acad. 



Nat. Sciences, p. 118, (1864.) No. 4. 



P. Cronkhitei, Newcomb, 1. c, p. 180, (1865.) No. 5. 



