MoUusca. 131 



Oxyperas, Morchiu Cat. Yoldi. ri. 4. 1853. (Mactra.) . . . . BIVALVIA. 

 Oxystele, Philippi ia Zeitschr. f. Malac. 3. 17. 1847. . . . GASTEROPODA. 

 Oxvstrombus, Klein in Teut. Meth. Ostr. 1753. = Chersina, Beck. 



GASTEROPODA. 

 Oxstyla, Schluter in Syst. Verz. 7. 1838. (Bulimus.) = Orthaliciis, Beck. 



GASTEROPODA. 

 Oxytes,PfeifferinMal.Bl. 138. 1855. (Helix.) GASTEROPODA. 



I^achnodes, Albers inHelic.2.A. 230.1 860. (Bulimiuus.) GASTEROPODA. 

 Pachya, Albers in Heliceen. 107. 1850. (Helix.) = Slylodon, Beck. 



GASTEROPODA. 

 Pachybathron, Gaskoin in Ann. N. H. XI. 336. 1863. . . GASTEROPODA. 

 Pachycardia, v. Hauer in W. Ac. Sitz. Ber. XXIV. 1857. BIVALVIA. Foss. 



Pachychilus, Lea in Proc Zool. Soc. Loud. 1857 GASTEROPODA. 



Pachydomus,(Morr.)Dana.inU.St.Ex. Exp. X.692. 1850.BIVALVIA. Foss. 



Pachypoma, Gray in Fig. Moll. An. IV. 88. 1850 GASTEROPODA. 



Pachyrisma, Morris et Lycett in Lond. Geol. Soc Quart. J. VI. 399. 1850. 



BIVALVIA. Foss. 

 Pachystoma, Albers in Heliceen. 125. 1850. (Helix.) . . GASTEROPODA. 



Pachystyla, Morchin Cat. Yoldi. L 2. 1852 GASTEROPODA. 



Pagodella, Adams in Proc Zool. Soc Loud. 304. 1867. . GASTEROPODA. 



Pagodina, Stabile in Moll. Piem. 1S64. (Pupa.) GASTEROPODA. 



Paladilhia, Bourguignat in Rer. Zool. 120. 1865 GASTEROPODA. 



Palaearca, J. Hall in Cout. to Palaeout. New-York. 1859. = Cypricardites, 



Conrad. = Ci/rtoftonta, BiW BIVALVIA. /'o.*.«. 



Palaeomya, Goubert et Zittel in Journ. Conch. 1861. . . BIVALVIA. Foss, 



Palaeoteuthis, Ramer ? i^o.«.«. 



Palaeoteuthis, d' Orbiguy ? Foss. 



Palaina, Semper in Journ. Conch. XHI. 292. 1863. (Diplommatina.) = Pa- 



poiftea, Pease GASTEROPODA. 



Palio, Gray in Guide MolL Brit. Mus. 213. 1837 GASTEROPODA. 



Pallifera, Morse in Moll. of Maine. 1864. = Tebennophora, Biuuey. 



GASTEROPODA. 

 Paludinella,Rossm. (1846) inMal.Bl. 116. 1856. . . . GASTEROPODA. 

 Paludinella, Lowe iu Proc Zool. Soc 206. 1854.(Physa.) GASTEROPODA. 

 Panda, Albers in Heliceen. 2. Ausg. 149. 1860. (Helix.) . GASTEROPODA. 

 Panderella, Ehreuberg in Berl. Ac. Mon. Ber. 1861.GASTEROPODA. Foss. 



Panomya, Gray. Adams in Gen. II. 659. 1858 BIVALVIA. 



Papillifera, Hartmann in Gast. der Schweiz. 156. 1842. (Clausilia.) 



GASTEROPODA. 

 Papillina, Moquin-Tandon inH. N. Moll. France. 324. 1855. = Papillifera, 



Hartm GASTEROPODA. 



Papillina, Conrad iu Philad. A. N. S. Proc. VII. 1855. GASTEROPODA. Foss. 

 Papuina, v. Martens. Albers in Heliceen. 2. Ausg. 166. 1860. (Helix.) 



GASTEROPODA. 

 Parapholas, Conrad in Philad. Ac N. Sc 121. 1848. .... . BIVALVIA. 



Parastarte, Conrad in Philad. Ac. N. Sc 288. 1862 BIVALVIA. 



Parembola, E. Ramer in Mon. Gen. Veuer. 1857 BIVALVIA. 



Paria, Gray iu Proc Zool. Soc 1867 GASTEROPODA. 



Parmarion, H. P. Fischer in Act. S. L. Bordeaux. 1855. GASTEROPODA. 

 Parmella, Adams in Proc Zool. Soc Loud. 308. 1867. . . GASTEROPODA. 

 Parthena, Albers in Heliceen. 112. 1850. (Helix.) ... GASTEROPODA. 

 Parthenia, (Lowe) A. Adams in L. S. Journ. VII. 1. 1863. GASTEROPODA. 



Partulina, Pfeiffer in Malac BL 112. 1854. GASTEROPODA. 



17* 



