60 TIARID.i:. 



118. Paludomus (Tanalia) neritoides {Reeve). 



Pahtdonius (Tatialia) neritoides (Iteeve), Conch. lcou.,Paliid.s'\^.3; 

 H. & T., C. I. pi. 122, tig. 8. 



Original description: — Shell oblong-ovate, spire a little exserted, 

 whorls rounded, obscurely obtusely ridged ; aperture rather large; 

 olive, sharply waved in the young shell with brown, interior 

 white, columella and edge of the lip sometimes blotched here and 

 there with blackish brown. 



Alt. 31*5, diam. 24*5 mm. (taken from pi. 1, fig. 3 & in Con. 

 Icon.), 



Hah. In the bed of a river at Ambegamoa, Ceylon. 



" This species has more the form of a Xerita than any other, 

 and is distinguished in an early stage of growth by a brilliant 

 pattern of zigzag painting in the interior. The lip and columella 

 are sometimes white, sometimes blotched with blackish brown." 



Var. globosa, Brot, Conch.-Cab. ii, 1880, pi. 8, tig. 1 ; jN'evill, 

 Hand List, pt. 2, p. 304. 



A somewhat swollen form. 

 Hall. Ceylon {Xevill). 



111). Paludomus (Tanalia) dilatata (lieeve). 



Paludo7nus {Tiutalia) dilatata (Reeve), P. Z. S. lSo2, p. 128; H. & 

 T., C. I. pi. 125, tigs. 5, G ; Nevill, Hand List, pt. 2, p. 303 (as 

 P. {T.) neritoides var. dilatata !''). 



Original description : — Testa suboblongo-ovata, spira exsertius- 

 cula ; anfractibus rodundatis, superne vix depressis, spiraliter 

 obscura superficialiter liratis ; intense uigrieanti-fusca, immacu- 

 lata ; apertura oblonga, inferne dilatata, intus Ccerulescenti-alba, 

 bi- vel trifasciata, nigro-limbata. 



The following dimensions are taken from fig. o, pi. 125, in the 

 ' Conchologia Indica.' 



Alt. 30- 75, diam. 29 mm. 



Hah. Mountain streams of Ceylon. 



120. Paludomus (Tanalia) gardneri {Reeve). 



Paliuloinus (Tanalia) (jardneri (Reeve), Conch. Icon., Palud. sp. 9; 

 11. & T., C. L pi. 122, tig. 6;' Nevill, torn. cit. (as P. (T.) neri- 

 toides var. (/at dncri). 



Original description : — Shell orbicularly ovate, spire flatly 

 depressed, whorls regularly convex, very closely spirally ridged, 

 ridges rather thin, obtuse, alternately larger ; aperture very large ; 

 jet-black, interior whitish, columella and margin of the aperture 

 stained with purple-black. 



Alt. 35, diam. 34 mm. (taken from pi. 2, fig. 9 h in Con. Icon.). 



Hah. In a stream at the foot of Adam's Peak, Ceylon. 



