PALUDOMUS. 47 



anfractus quatuor convexi, supra medium obsolete carinati; 

 apertura oblonga, simplex, albida, lineis fuscis, pellucentibus. 

 Operc. ? 



Alt. 16, diam. 13 mm. 



Aperture : alt. 11, diam. 6 mm. 



Hob. Ceylon. 



82. Paludomus palustris, Layard. 



Paludomus palustris, Layard, P. Z. S. 1854, p. 89 ; II. & T., C. I. 

 pi. 126, figs. 2, 3. 



Original description : Shell ovate, thin ; axis 10 lines, diam. 

 6 lines ; spire exserted, long ; whorls rounded, rather flat, spirally 

 closely grooved with minute granular striae (visible under the lens). 

 Colour of adult shell a rich yellow spotted with dark brown, the 

 markings frequently running into wavy lines ; apex bluish ; aper- 

 ture white. Operculum nearly oval, the apex slightly inclined to 

 the left ; concentric nucleus subcentral, sinistral. 



Hob. The grassy margins of a tank at Anarajahpoora, Ceylon. 



In young shells the ground colour is almost hidden by the dark 

 markings, and the aperture is found to be spirally marked with 

 thin lines of the same colour. 



83. Paludomus tanschaurica, Gmelin. 



Paludomus tanschaurica, Gmelin, Syst. Nat. 3655, for the Helix 

 jluviatilis tanschaurensis of Chemn., Conch.-Cab. ix, p. 174, 



fig. 1243. 

 Helix fluviatilis, Dillwyn, Desc. Cat. Shells, p. 959 ; H. & T., C. I. 



pi. 123, fig. 8. 

 Paludomus tanjoriensis, H. F. Blanford, emend. Trans. Linn. Soc. 



1863, p. 173, pi. 27, figs. 2 a-e. 



Original description ; Testa subturrita, brunnea, glaberrima, 

 anfractibus septem, maculis obscurioribus seu nigricantibus cor.- 

 spersa, ore subrotundo, fauce albicante. 



Alt. 16, diam. 13 mm. (taken from fig. in 'Conchologia Indica'). 



Hab. India. 



Var. kadapaensis, Nevill, Hand List, pt. 2, p. 294. 



" Apparently without sculpture ; apex not acute ; spire pointed, 

 of four to five whorls, longitudinally, regularly, handsomely 

 flamed, somewhat as in P. parva, Layard [=<'7iilinoides, Eeeve], 

 but in a less " zigzag " manner." (Nevill.} 



Alt. 15-5, diam. 975 mm. (spire slightly eroded only). 



Hab. Kadapa District. Madras (King). 



Var. malabarica, ^evill, torn. cit. 



"Decollate and in shape exactly resembling the Ceylon var. 



