GANESELLA. 171 



species were formerly grouped in Plectotropis, but the lack of d:irt 

 sack and mucus glands widely sunders them from that group. 



G. ptychostyla Mart., iv, 58. G. styloptycha Pfr., iv, 58. 

 goniochila Pfr., iv, 58. ptychostyla Pfr. not Mart. 



/. depressior Pfr. 



Subgeuus (?) BULIMINOPSIS Heude. 



JBuliminopsis HDE., Notes sur les Moll. Terrfstr. de la Yallee du 

 Fleuve Bleu, p. 146, type H. buUminus. Conf. v. Molldff., Nachr. 

 d. m. Ges. 1886, p. 195. Rndens HDE., t. c., p. 148. type Funiculn* 

 rndens. Pseudobuliminus Gredl., SCHMACKER & BOETTGER, Nachr. 

 D. M. Ges. 1891, p, 164. 



Shell elevated conic, perforated, the spire acute, 7-8 whorls; aper- 

 ture small, oblique, peristome expanded. Soft parts unknown. 



A middle Chinese group of uncertain position. Mollendorff refers 

 it to Saisuma, Ancey to Buliminus, while Heude and Gredler cut the 

 Gordian knot by removing the species from both genera. 



f 



G. pseudobuliminus Hde., iv, 31. G. incerta Pfr. 



B. inacrogonus Anc. taivanica Mlldff., iv, 33. 



G. bulirninoides Hde., iv, 31. G. quaternarius Hde. 



_B. tropidophorus Anc. borealis Hde. on pi. 



G. buliminus Hde., iv, 32. G. conoidea Hde. 



B. helicopsis Anc. G. doliolum Gredl. 



v. pinguis Anc. F. rndens Hde. 



G. macroceramiformis Dh. 



Subgenus (?) COLIOLUS Tapparone-Canefri, 1887. 



Ann. Mus. Civ. Genov. (2), iv, p. 131. Manual of Conchology 

 (2) vii, p. 8^. Not Coleolus Hall, Paleont. N. Y. v, p. 184, 1879. 



-Shell elevated conic, many (eleven) whorled, upper whorls 

 spirally striate, the rest obliquely costulate and setigerous ; apex 

 obtuse, mamillar ; base depressed ; peristome reflexed below, mar- 

 gins distant, connected by a callus. Type C. <irfakiensis Tap.-Can. 

 vol. vii, p. 87. 



Soft parts unknown. Inhabits New Guinea. This peculiar snail 

 is considered an ally of Trochomorphoides by Tapparone-Canefri. 

 Perhaps it may prove to belong to the Charopoid series. 



