204 



r,. LINDSTROM, ON THE SILURIAN GASTROPOnA AND TTEROPODA OF GOTLAND. 



Pitoncllus MoNTFORT 1810, Conohyl. System. 



II, 170. 

 Platyceras Conrad 1840, Ann. Kept. Geol. 



Surv. N. Y., 205. 

 Platystoma (not Platyostoma) Conr. 1842, 



Acad. Nat. Sci. Philad. Journ. 1839— 



42, 275. 

 Platy{o)sto)nella R. Etheridgeji- 1880, Proc. 



R. Phys. See. Edinb., 163, Carbonif. 

 Platyschisma Mac Coy 1844, Carbonif. Foss. 



of Ireland, 38. 

 Pledostylus Conrad 1842, Journ. Ac. N. 



Sc. Phil. 1839—42, 275. The name 



in 1837 preoccupied by Beck for a 



Helicid shell. 

 Pleuronotm Hall 1879, Pal. N. Y. vol. V, 



pt. II, 138. — Euoniph. Decewi. 

 Pleurotomaria De France 1821 in Ferus- 



SAC, Tabl. Syst., XXXIV. 

 Pleiirotomarium Blainville 1825, Malac, 



429, ))male» Hermannsen. 

 Polyphemopsis Portlock 1843, Rept. Geol. 



Londonderry, 415, probably = Subu- 



lites. 

 Polytremaria D'Orb. 1850. Prodr. I, 122. 



Carbonif. 

 Polytropis De Koninck 1881, Faune II, iii, 



107. — Oriostoma. 

 Porcellia L'Eveille 1835, Mem. Soc. Geol. 



de France II, 39. 

 Portlockia De Kon. 1881, Faune II, iii, 81. 

 Priscochiton Billings 1865, Pakeoz. Foss. 



Canada I, 394. Lower Silurian. 

 Proholceum Carpenter according to Dall 



1882, Proc. N. S. Nat. Mus. 281, a 



Devonian Chitonid. 

 Protalo chiton Rochebrune 1882, Ann. Soc. 



Geol. XIV, 30, Carbon. 

 Pseudophorus Meek 1873, Geol. of Ohio I, 



222. 

 Pterochiton Carpenter according to Dall 



1882, Proc. U. S. Nat. Mus. 281, Bel- 

 gium, Ireland, Carbonif. 



Ptychomjihalus Agassiz 1837 in Gross-Bri- 

 taniens Mineral Conchologie von James 

 Sowerby. Deutsche Bearbeit. von Ag., 

 23 and 222, 



Pycnomphalufi Lindstr. 1884, Silurian Ga- 

 stropoda of Gotland, 153. 



Rhabdopleura De Kon. 1881, Faune II, in, 75. 



Rhaplmtoma Hall 1847, Pal. N. Y. I, 28. 



RhineoderinaY)K\\.0'S. 1883, Faune, II, iv, 103. 



Rhomhochiton De Kon. 1883, Faune 11, iv, 206. 



Rotella Lam. 1822, Hist. VII, 6. According 

 to De Koninck a fossil species occurs 

 in the Carbonif. form, of Belgium. 



Rotellina De Kon. 1883, Faune II, iv, 92. 



Sagmaplaxus Oeiilert 1881, Mem. Soc. 

 Geol. de France 3me Ser. Tome II, 15 

 a Chitonid. 



Salpingostoma Ferd. Roemer 1876, Leth. 

 Geogn. Taf. 5, f. 12. 



Sca'vogyra Whitfield 1877, Palaeontology 

 of Wisconsin, 253. 



Scalites Conrad 1842, P^mmons Geol. Rep., 

 312. 



Scissurella D'Orb. 1823, Mem. Soc. H. N. 

 Par. I, 340. 



Sc/tizostoma Bronn 1835, Lethaea, Ed. 1 vol. 

 I, 95. 



ScoliostomaM. Braun 1838, N. Jahrbuch, 291. 



Serpularia A. F. Roemer 1843, Geol. Harz- 

 gebirge, 31. = Pleurotomaria. 



Sipltondrin Sow. 1824, Gen. of Shells, pi. 

 143. U^icd liy Barrande according to 

 IjIGsbv, Thes. Sil., 168 for a Bohe- 

 mian Patelloid. 



Solarium Lamk 1801, Syst. anim. s. vert. 

 86. De Koninck used 1843 this name 

 for Euomphalus or Pleuronotus. 



Soleniscus Meek & Worthen 1860, Proc. 

 Ac. N. Sc. Philad., 467, Carbonif. 



Spirorbis, Steininger 1831, Bemerkungen 

 fiber die Verstein. in der Eifel. Stei- 

 NiNGERS Sp. maxiinus belongs to the 

 Devonian Euomphalus. 



