218 CTKEXID."E. 



i354. Corbicula "bensoni, Dcs'iaijes. 



Corbkiila bensoni, Deshayes, 1*. Z. S. xxii, 1854, p. 345 ; Cat. Brit. 



Mils., Vener. p. 1:^24. 

 Corbicula bensonii, Desh., Prime, Cat. Corb. 1809-70 ; Gen. Corbicula, 



p. 128, uo. 11. 

 Corbicula hemoni. If. .t T., C. I. 1876, p. 55, pi. 188, figs. 1,4; 



Clessiii, in Martini & Clienmitz, 1879, p. 198, uo. 111. 



Orvjimd description : — Testa ovato-transversa, subtrigona, a?qni- 

 laterali, laevigata, iiitida, depressiuscula, extremitatibus, obtusa, 

 utroque latere sequaliter cleclivi, epidermide tenui, uitente, vires- 

 ceiite vel flavescente induta, aliquautisper lineis iijterru|)tis,fusfis 

 radiata, intus alba, vel pallide violascente ; cardine angusto, tri- 

 dentato, dentibus insequalibiis valde divaricatis, dentibus lateralibus 

 prfelongis, angiistissimis, teiiuissime striato-CTenatis, antico paiiUo 

 longiore. 



Hab. Bengal ; also recorded from the Elver Jumna. 



The dimensions given below are taken as follows : — No. 1 from 

 tlie single valve repre-senting the type, and JSTos. 2 and 3 from two 

 other specimens in the British Museum ; — 



1. 2. 3. 



355. Corbicula consanguinea, Frime. 



Corbicula coiisancjuinea, Prime, Ann. Lv.". Nat. Hist. N.Y. viii, 

 18()7, p. 417; Cat. Corb. 1809-70, p." 129, uo. -I-I-, Clessiu, iu 

 Martini & Chemnitz, 1879, p. 199. 



Oricjincd descrijytion : — Testa ovato-transversa, compressiuscula, 

 sequilaterali ; epidermide viridesceute, nitente vestita; regulariter 

 striata; umbonibus brevibus, atro-violascentibus ; valvis intus 

 violaceis ; cardine lato. 



Long. 14, lat. 1(5, diam. 9 mm. 



Hah. India. 



The type is inaccessible to tlie com])iler of the present volume ; 

 tbe author, however, states that tliough closely aUied to C. stria- 

 iflla, Desbayes, the lateral teeth are stronger and much broader 

 in the present species. 



356. Corbicula sylhetica, Fresion. 



Corbicula sylhetica, Preston, llec. Ind. Mas. Calcutta, ii, 1908, 

 pp. 47-48 (fig. in text). 



Original description: — Shell nearly equilateral, tumid, sub- 

 trigonal, pale olive-green, sculptured with hue irregular concentric 



