50 TIABID.E. 



sharp, the columellar and basal margins white, thickened within, 

 aud dilated. Operculum normal. 



Alt. (apex wanting) 23 (when perfect about 25), diam. maj. 16, 

 diam. min. 13'5 mm. 



Aperture: alt. 12, diam. 9 mm. 



Hab. Streams traversing the plains between Trevandrum and 

 the foot of the Aghastyamali. 



" In a young specimen of P. travancorica, there appears to be a 

 tendency to the development of minor parallel ribs between those 

 forming the spiral sculpture, aud the latter are rather closer 

 together near the suture." 



89. Paludomus annandalei, Preston. 



Paladomus annandalei, Preston, Rec. Ind. Mus., Calcutta, iii, 1909, 

 p. 277 (figs, in text). 



Original description : Shell conoidal, upper whorls eroded, 

 solid, dark olivaceous brown, a paler yellowish brown band 

 appearing at the periphery, above this obscurely painted with 

 regular, transverse, vertical, deep chestnut flammules and below 

 with very oblique flammules of the same colour ; remaining whorls 

 about 3, sculptured with revolving, spiral lirae rather coarser just 

 below the sutures and disappearing altogether or becoming obsolete 

 towards the periphery, but reappearing on the base of the shell, 

 the interstices between the Iira3 having a somewhat punctate 

 appearance ; sutures lightly impressed ; columeila arched, white 

 and diffused into a minutely granular callus which joins the upper 

 lip and is thickened almost into a nodule above ; peristome acute, 

 scarcely serrated ; interior of shell bluish white, showing the rows 

 of flammules distinctly ; operculum spirally laminiferous, with 

 subcentral nucleus. 



The dimensions of the three specimens taken as the type series 

 are as follows : 



1. 2. 3. 



Alt 24 mm. 22 mm. 21-5 mm. 



Diam., maj 18 17 16 



Aperture : alt. . . 16 13 12-5 



diam.. . 9-5 8 8 



Hob. Tenmalai, W. Grhats (W. side), Travaucore (rocky mountain 

 stream (N. Annandale). 

 Types in Indian Museum. 



90. Paludomus spiralis, Reeve. 



Paludomus spiralis. Reeve, Con. Icon., Palud. p. 15, pi. 8, fig. 15. 



Original description: Shell ovate, spire large, prominent, whorls 

 rounded, smooth ; olive, spotted here aud there with black, interior 

 \vhite. 



Alt. 17'5, diam. 12-5 mm. (taken from Con. Icon.). 



Hob. Streams of Ceylon. 



