YIVIPARA. 89 



175. Vivipara variata (Frauenfeld). 



a variata (Frauenfeld), Verbandl. zool.-bot., Ges. Wien, 

 1862, p. 1163 (as Paludina} ; H. & T., 0. I. pi. 115, g. 8. 



Shell somewhat conic, narrowly deeply umbilicate ; olive-green, 

 slightly polished ; whorls 5?, not very convex, the last descending 

 behind the aperture, marked with weak growth lines and sculp- 

 tured with regular, numerous, very fine, punctate, spiral striae ; 

 suture well impressed ; aperture pyriform ; interior of shell of a 

 dirty bluish colour ; labruui polished, black. 



Alt. 21, diam. 16 mm. 



Aperture : alt. 12, diam. 10 mm. 



Hab. Pondicherry. 



Var. pseudohelicina, Kobelt, in Martini & Chemnitz, Conch.- 

 Cab. 19u8, p. 293, pi. 59, figs. 5-8. 



Vivipara dissimilis subsp. helidformis, Nevill, Hand List, pt. 2, p. 30 

 (nee Frauenfeld). 



Original description : Testa subobtecte rimata, ovata, solida, 

 subtiliter striatula, sculptura spiral! nulla, olivaceo-viridis ; spira 

 ero^a, sutura linearis. Anfractus, superst. 4-5 convexi, infer! 

 supra subangulati, ultimus ad peripheriam obsolete angnlatus, 

 has! convexus, antice haud descendens. Apertura vix obliqua, 

 sat anguste ovata, supra leviter acuminata, intus coeruieo-albida, 

 late, nigro-limbata ; margo columellaris leviter incrassatulus. 



Alt. 20, diam. 17 mm. 



A.perture: alt. 11, diam. 9 mm. 



Nab. Pegu. 



Var. peguensis, Kobelt, in Martini & Chemnitz, Conch. -Cab. 

 1909, p. 378, pi. 58, figs. 7, 8. 



Original description : Testa anguste et subobtecte umbilicata, 

 ovato-globosa, spira breviter conica, erosa, saturate viridescente- 

 fusca, hie illic anguste nigro strigaTa, anfractibus convexis, sutura 

 profunda discretis, ultimus niaguus, obsoletissime angulatus, circa 

 umbilicurn subcornpressus ; peristoma late nigrolimbatum. Oper- 

 culum crassiuseulum, extus limbo iucrassata, intus disco pedali 

 prominente munitum. 



Alt. 21, diam. 17 mm. 



Aperture : alt. 12, diam. 10 mm. 



Hab. Moulmein, Pegu. 



176. Vivipara ceylonica (Dohrn). 



Vivipara ceylonica (Dohrn), P. Z. S. 1857, p. 123 (as Paludina} 

 Keeve, Con. Icon., Paludina, sp. 32 (as P. ceylanica) ; H. & T. r 

 C. I. pi. 77, h'g-s. 1, 2, P. ceylanica. 



Original description-. Testa ovato-couica, perforata, solidiuscula, 



