239 



Gould, Exp. sh., 37; Mohelet, I. c. 22; Partiot, Mem. s. 



les Cyclostomes, Toulouse 1849, 8:o, p. 72. — Pfr. och 



Troschel, Z. f. Mai. 1847, 42, 45, 52, 101, indela Cy- 



clostomacea i flera genera, med karakterer hufvudsakligen 



hemtade fr§n locket, och hvilka sammanstallas af Pfr., 



neml. foljande: 

 Aperostoma Trosch., typ. C. giganteum Sow., C. disto- 



mella Sow. 

 Cyclostoma s. str. typ. C. naticoides Recl. , C. parvum 



Sow., C. elegans Muell. etc. 

 Tropidophora Troscu. typ. C. Cuvierianum Petit, C. Ter- 



verianum Grat., C. campanulatum Pfr. 

 Choanopoma Pfr. typ. C. pulcbrum Wood. 

 Cyclophorus Montf. typ. C. aurantiacum Schum. 

 Leptopoma Pfr. typ. C. acuminatum Sow., C. insigne Sow. 

 Chondropoma Pfr. typ. C. pictum Sow. 

 Megalomastoma Guild, typ. G. altum Sow., C. cylindra- 



ceum Chemn., M. suspensum Guild., C. flavulum Lamk. quod 



typ. gen. Farcimen Trosch. 1. c. 44. 

 Pupina ViGN. cum Moulinsia Grat.; n. sp. Hombron et Jac- 



QuiNOT, Voy. au pole sud, t. 10; Hinds, Sulphur, 59; Adams 



et Reeve, Samarang, 57. 

 Gallia Gray. 



Pomatias Studer, n. sp. Dupuy, I. c. 

 Aulopoma Trosch. typ. C. cornu venatorium Sow. 

 Craspedopoma Pfr. typ. C. lucidum Lowe, Z. f. Mai. 



1847, 48. 

 Myxostoma Trosch. typ. C. breve Martyn. 

 Pterocyclus Benson 1832, Journ. Asiat. Soc. Calcutta = 



Steganotoma Trosch. 1837, typ. C. bilabiatum Sow.: n. sp. 



Pfr. Z. f. Mai., 1847, 151; spec syn. Benson, A. N. H. 



sec. ser. 1, 345. 

 Acicula Hartm. typ. A. spectabilis Rossm. 

 Geomelania Pfr. typ. G. Jamaicensis Pfr. A. N. H. XVI, 



334; obs. Id. Z. f. Mai. 1849, 115. 

 Truncatella Risso, Mon. Pfr. Z. f. Mai. 1846, 177; Gould, 



Exp. sh., 39. 

 Hydrocena Parreys, typ. C. Cattaroense Pfr. 



