202 G. LINDSTKÖM, ON TIIE SILaillAN GASTROPODA AND PTKROrODA OF GOTLAND. 



cupied for a Lamellibranchiate by Cii. 



Barrois in Ann. Soc. Géol. du Nord 



VIII p. 176. Pleurotoinaria. 

 Gryphochiton Gray, 1847, Proc. Zool. Soc. 



p. 70. Devon. and Carbon. 

 Gyrotrema Barrande 1868, apud Bigsby. 



Thes. Silur. p. 167 = Tremanotus. 



Hall. 

 Helcion Montfort 1810, Conch. Syst. II p. 



63, applied by soine to palajozoic Pa- 



tellids. 

 Helicites Schlotheim 1813, Jahrb. VII p. 35. 



Contains species of different genera, 



as Euomphalus, Pleurotomaria, Orio- 



stoina. 

 Helicotoma Salter 1859. Dec. I, Geol. 



Survey of Canada, 10 =- Euomphalus 



and Pleurotomaria. 

 Helminthochiton Salter 1846, Proc. Geol. 



Soc. Lond, 49, 51, 52, f. 6. 

 Hercynella Kayser 1878, Fauna der älte- 



sten Devonabl. d. Harz, 101. = Pili- 



dium Barr. Mss not Forbes. 

 Holopea Hall 1847, Pal. N. Y. vol. I, 169. 

 Holopella Mac Coy 1852, Brit. Pal. Foss., 303. 

 Hormotoma Salter 1859, Canad. Organ. 



Remains Dec. I, 18. — Murchisonia. 

 Tgoceras Hall 1859, Pal. N. Y. vol. III, 



330. = Platyceras. 

 Inachus Hisinger 1838, Lethaäa, 37. Name 



preoccupied for a Crustacean. Consi- 



sted of three species of which one, I. 



sulcatus, is a Pleurotomaria, I. angu- 



latus, is a Oriostoma and I. costatus a 



Cephalopodous shell, probably a Tro- 



choceras. 

 Isonema Meek and Worthen 1865, Proc. 



Acad. Nat. Se. Philad., 251. 

 Lepetopsis Whitfield 1882, Bullet. Åmer. 



Museum of Natural. Hist. -^ 3, 67. 

 Litiopsis Edw. Forbes accord. to Salter 



1866 in Mem. Geol. Survey III, 346 = 



Holopea. 



Litorina Fér. 1821, Tabl. System., XXXIV. 



Several of the palajozoic species, which 



have been called Cyclonema, were re- 



garded as Litorina? by Pictet. 

 Loricites Carpenter accord. to Dall, Pro- 



ceed. U. S. Nat. Mus. 1882, 281, A 



Carboniferous Chitonid from Belgium. 

 Loxonenia Phil. 1841, Palajoz. Foss. of 



Cornwall, 98. 

 Luciella De Kon. 1883, Faune Carbonif. 



Belgique II, iv, 107. A Pleurotomaria. 

 Madurea Emmons 1843, Geol. N. Y. H, 



312. 

 Maclurita Blainville 1825, Malac, 424. 

 Maclurites Le Sueur 1818, Journ. Ac. N. 



S. vol. I, 312. 

 Macrochilus (not Macrocheilus) Phil. 1841, 



PalaBoz. Foss., 103. 

 Macrochilina Bayle 1880, Journ. de Con- 



chyliologie 3 Ser. vol. XX, 241. = Ma- 

 crochilus & Duncania. 

 Margarita Leach 1819, Journ. de Ph3^s. 



464, Waagen Salt Range Fossils, 111. 

 Metoptoma Phill. 1836, Geol. Yorkshire pt. 



2, 223. 

 Michelia F. A. Roemer 1854, Palasontogra- 



phica Bd. 3, 73. Near Loxonema. 

 Microceras Hall 1845, Sillim. Journ. vol. 



48, 294. 

 Microdoma Meek and Worthen 1866, Phi- 



ladelphia Proceed. 269. 

 Mitchellia De Kon. 1876, Foss. du Nouv. 



Galles du Sud I, 128. 

 Mogulia Waagen 1880, Salt Range Foss. 



Palasont. Indica vol. XIII, 131. 

 Mourlonia De Kon. 1883, Faune Carbonif. 



de Belg., 245. = A Pleurotomaria. 

 Murchisonia D'Archiac & Verneuil 1841. 



Bull. Soc. Géol. XII, 154. 

 Narica Réclifz 1841, according to D'Orb. 



Moll. Cub. II, 39, used by De Koninck 



1844, Anim. Terr. Carbonif., 475. 



