HELICOSTYLA. 223 



H. norrisii Sowb., vii, 143. H. lueugoi Hid., viii, 245. 



H. damahoyi Pfr., vii, 143. H. hidalgoi Mlldff., viii, 246. 



samarensis Hid., not Semp. 



H. chrysanue Q,& M. Nachr.,'93, H. streptostoma Mlldff. Nachr.,'93 



175. 176. 



H. semperi Mlldff. Nachr., '93, H. trisculpta Mlldff. Nachr., '95, 



175. 97. 



Group of H. mindanaensis. 



H. mindanaensis Sby., vii, 148. H. harfordii Sby., vii, 148. 

 mindana Rve. 

 mindorana Hartm. 



Group of H. melanochila. 



H. pan Brod., vii, 149. H. roissyana .Fer., vii, 151. 

 H. depressa Semp., vii, 149. solida Pfr., vii, 153. 



lignaria Pfr., preoc. rossiana Gray. 



v. perdepressa Pils. /. lutea Pils. 



H. melanochila Val., vii, 150. /'. subatra Pils. 



bruntiea Sowb. H. infuscata Alb., vii, 152. 



H. chlorochroa Sowb., vii, 150. H. xanthobasis Pils.. vii, 155. 



H. matruelis Sowb., vii, 151. H. dimera Jonas, vii, 156. 



H. difficilis Pfr., vii, 151. H. crossei Hid., vii, 156. 



H. mainitensis Hid., vii, 152. H. retusa Pfr., vii, 156. 



H. lignicolor Mlldff., vii, 153. H. libata Rve., vii, 157. 



Section Anixa Pilsbry, 1894. 



Axina ALK., Die Hel., p. 113, 1850; v. Mart., 2d edit., p. 71, 

 type H. zebuensis. Not Axina Kirby, 1817 (coleoptera). 



Shell imperforate, solid, dark colored ; varying from depressed 

 and keeled to globose turbinate ; more or less covered with hydroph- 

 anous cuticle ; smoothish, lacking spiral sculpture; lip narrowly or 

 broadly reflexed. Soft anatomy as in Helicostyla generally. Type 

 H. zebuensis Brod. (See pi. 55, fig. 14, H. moreletiana Pfr.). 



These are ground snails, mainly confined to Luzon, Cebu and 



Siquijor. 



H. garibaldiana D.& S.,vii,159. H. kobelti Mlldff., vii, 160. 

 .H. siquijorensis Brod., vii, 159. H. zebuensis Brod., vii, 161. 

 v pallens Mlldff. v. striatissima Pils., vii, 162. 



