146 PLECTOPYLIS. 



(Parietal vertical lamina single). 



P. sbanensis Stol., iii, 162. P. brachydiscus G.-Aust., iii, 162. 



trilamelfaris G.-A. P. pseudophis W. Blanf.,iii, 162. 



P. perarcta Blanf., iii, 162. P. nagaensis G.-Aust., iii, 161. 



P. retifera Pfr., iii, 161. P. andersoni W. Blf., iii, 161. 



P. clatbratula Pfr., iii, 161. P. plectostoma Bens., iii, 160. 



puteolus Bens. prodigium Bens. mss. 



P. fultoni G.-A., viii, 296. P. macromphalus W. Blf., iii, 160. 



P. laomontana Pfr., iii, 160. P. nuinipurensis G.-A., iii, 160. 



P. schistoptycbia Mlldff., iii, 165. P. piuacis Bens., iii, 159. 



P. diptychia Mlldff., iii, 158. P. pettos v. Mart., iii, 156. 



P. polyptycbia Mlldff., J. B. P. oglei G.-Aust., iii, 159. 



[xiv, 272. P. serica G.-Aust., iii, 159. 



P. trochospira Mlldff. J. B., xiv, P. coarctata Mlldff. Nachrbl. '94, 



[273. [104. 



P. scblumbergeri Mori., iii, 166. P. pulvinaris Gld., iii, 157. 



P. joviaMab., viii, 156. P. jugatoria Anc., iii, 166. 



P. villedaryi Anc., viii, 157. P. reserata Hde., iii, 166. 



P. pblyaria Mab., viii, 158. P. multispira Mlldff., iii, 158. 



P. fimbriosa v. Mart., iii, 158. P. cutisculpta Mlldff., iii, 158. 



v. emoriens Gred., iii, 158. P. invia Hde., iii, 165. 



v. nana Mlldff, iii, 158. P. secura Hde., Fl. Bleu, 141. 



P. murata Hde., iii, 159. P. larainifera Mlldff, iii, 165. 

 P. stenocbila Mlldff, iii, 1 59. 



Subgenus TRATJMATOPHORA Ancey, 1887. 



Traumatophora ANC., Concb. Excb., April, 1887, p. 54. 



Shell disk-shaped, with low spire and open umbilicus ; granulate. 

 Whorls 5, regularly increasing, the last constricted behind the aper- 

 ture. Aperture lunar, oblique, with reflexed lip, having within 

 three entering lamella? upon the outer lip, marked outside by grooves, 

 no parietal processes. Type P. triscalpta, pi. 41, figs. 26, 27. 



Anatomy unknown. This group and the next differ from Plecto- 

 pylisin. lacking transverse internal barriers, but until their soft parts 

 are known they had better be grouped in this place. 



P. triscalpta v. Mart., vi, 8. Central-southern China. 

 v. fraterminor Gredl. J. B. xi, 137. 



