HELICOSTYLA. 229 



H. calypso Brod., viii, 25. H. hainesi Pfr., viii. 26. 



H. camelopardalis Brod., viii, 25. H. accedens Mlldff. Nachr. 



v. boholensis Brod., viii, 26. ['95,99. 



v. connectens MlldfF. 



Group of H. eoncinna. 



H. conchma Sowb., viii, 27. H. incompta Sowb., viii, 28. 



v. flammula Semp., viii, 27. H. pyramidalis Sowb., viii, 28. 

 H. acuminata Sowb., viii, 28. nebulosus Pfr., viii, 29. 



Section Papustyla Pilsbry, 1893. 



Papustyla PILS., Man. Conch, viii, p. 243, July 1, 1893. 



Shell rimate or im perforate, elongated, with slender spire; per- 

 istome expanded. Distribution, New Guinea, New Britain group. 



H. translucida Q. & G., viii, 29. H. hindei Cox, viii, 30. 



H. papuensis Hedl., vii, 190. H. heimburgi Branc., viii, 30. 



Section Eudoxus Albers, 1850. 



Eudoxus ALB., Die Hel., p. 137 ; edit. v. Mart., p. 179. type B. 

 effusus Pfr. 



Shell ovate or ovate-conic, imperforate, smooth, shining, very light 

 colored, generally thin and destitute of hydrophanous .cuticle. Col- 

 umella rather narrow, its face flattened. Type H. effusa Pfr., pi. 

 53, fi$. 11. 



Distribution, Marinduque, Luzon, Romblon, Burias. 



H. effusa Pfr., viii, 31. H. virginea Lea, viii, 36. 



/. fasciata Pils. bullula Brod. 



H. halichlora Semp., viii, 32. albinusGr&t. 



H. leai Pfr. viii, 32. chloroleuca Mart. 



H. jonasi Pfr., viii, 32. bustoi Hid. 



albersi Pfr. H. hololeuca Pfr., viii, 37. 



buschi Pfr. H. smaragdina Rve., viii, 37. 



perdita Rve. v. nigrescens Semp. 



breviculus Rve. v. lutea Semp. 



y~lso,i Pfr. v. striata Semp. 



H. simplex Jonas, viii, 33. v. zonifera Semp. 



