LIMNvEA. 109 



Alt. 31, diam. maj. 18, diam. min. 13 ; apertura, alt. 21-5, 

 diatn. 12 mm. 



Hab. Calcutta (Nevill), Benares and Moradabad (Benson & 

 Theobald). 



Var. rufescens, Gray ; von Martens, Conch. Mittheil. i, p. 76, 

 pi. 14, fig. 3. 



Limncea rufescens, Gray, in Sowerby's Genera Shells, pt. vii, 

 Limn. fig. 2 ; Reeve, Conch. System, pi. 191, fig. 2 j H. & T., 

 C. I. 1870, pi. 69, figs. 1, 4, and pi. 70, fig. 1. 



Limntsa chlamys, Benson, in part. 



Shell oblong-lanceolate, thin, hyaline, purplish-red, whorls 4. 

 Spire very short, acute, sutures very oblique. Aperture lanceolate, 

 elliptical. Columella very oblique. 



Diameter to the length as 6 to 13. 



Hab. Ganges etc. 



Var. sylhetica, Hanley $ Theob., C. I. pi. 70, fig. 9. 



According to the figure in the ' Conchologia Indica,' a form with 

 short spire and rather inflated whorls. 

 Hab. Marshes in Sylhet. 



Var. gracilior, von Martens, Conch. Mittheil. i, p. 77. 



Limncea rufescens (Gray), Eeeve in Conch. Icon, xviii, pi. 3, 

 figs. 14 a, b; H. & T., C. I. pi. 70, fig. 1. 



Original description : Minor, pallide flavescens (vel rosea), 

 valcle gracilis, antractu ultimo supra perangusto, margine aperturae 

 externo simplice, oblique paulum arcuato. 



Alt. 24, diam. maj. 10, diam. min. 7 mm. 



Aperture : alt. 16, diam. 6'5 mm. 



Hab. Bengal (Nevill). 



212. Limnaea (Limnaea) ovalis, Gray. 



Limnaa (Limnced) ovalis, Giay, in Sow. Gen. Shells, pt. vii, Limn. 

 fig. 4 ; Reeve, Conch. Syst. pi. 191, fig. 4 ; H. & T., C. I. 1876, 

 pi. 70, figs. 2, 3. 



Shell oval, pellucid, pale horn-colour : finely transversely striate, 

 whorls 5. Spire very short, acute, suture almost horizontal. 

 Aperture oval, elliptical. 



Diameter to the length as 5 to 9. 



Hab. Calcutta ; Almorah, etc. 



Var. nucleus, TroscTiel ; von Martens, Conch. Mittheil., i, p. 82, 

 pi. 15, figs. 8, 9. 



Limneeus ovalis, Gray ; Sow. Gen. Shells, pi. 43, fig. 4 ; H. & T., 



C. I. pi. 70, figs. 2, 3. 

 Linmaus nucleus, Troschel, Martens, Conch. Mittheil. p. 171 ; 



Reeve, Couch. Icon. pi. 10, fig. 67. 



