rORBICULA. 217 



Original dfscrijotioa i^Tesisb fere a?quilateralis, rhomboideo- 

 ovata, ventricosa, soliJiuscula, concentrice striate atque costulis 

 8iil)remotis, iiiterdiim plus iiiinusve obsoletis, oriiata, epidermide 

 olivacea induta, intus violacea : latere antice ante umbones 

 proiiiiueutes subhorizontali ; tunc fere regulariter convexo, postico 

 declivi, oblique subTuucatulo, deinuui subangulato, niargine 

 ventrali modice arnuato ; ligamentopostice siibito coutracto. 



Long. 9, hit. lU'o, diaui, 7 min. 



Tlie author also gives the dnneusions of another specimen 

 as : — 



Long. 8'5, lat. 1 1'5, diam. 7 n)ni. 



Hal). Maudalay. 



352. Corbicula regularis, Prime. 



Corbicula regiihiris, Prime, P. Z. S. xxviii, 1860, pp. ?.l'l-322 ; 

 Cat. Corb. 18(ii)^70, Gen. Corbicula, p. l;'.0,no. 90; II. &T.,C. L 

 1876, p. oo, pi. 138, Hgs. 5, 6 ; Clesoiii, in Martioi & Cliemuitz, 

 1879, p. 202. 



Original description: — Testa ovato-transversa, ajquilaterali, intus 

 violacea, epideruiide viridi-fiavescente ; umbonibus disparibus ; 

 dentibus cardinalibus tribus, iuaequalibus, lateralibus prselongis, 

 striatis. 



Long. 17"7o, lat. 22-75, diaiii. 11 mm. 



Hal. Deccan ; also recorded from Madras. 



353. Corbicula bengalensis, Desliayes. 



Corbicula bengalensis, Desbayes, P. Z. S. 1854, p. 344 : Cat. Brit. 

 Mas., Conchif. p. 224; Prime, Cat. Corb. 1864, p. 4; 1869-70, 

 Gen. Corbicula, p. 128, no. 10; Ann. Lvc. Nat. Hist. N.Y. viii, 

 1866, p. 200, tig. 52; 11. & T., C. I. 1876, p. 62, pi. 155, tig. (5 

 {Corbicula beacjalica [sic I, Det^haves) ; Clessin, in JMartini & 

 Chenniitz, 1879, pp. 138-139, pi. 24, tig. 20. 



Original description : — Testa ovato-siibtrigoua, depressiuscula, 

 teuiii, subaequilaterali, obsolete trausversiui striata, striis, regu- 

 laribus, distantibus, epidermide tlavescente, nitidissima, intus alba, 

 in medio macula rnbescente notata ; umbonibus minimis acuiis ; 

 cardine angusto, tridentato, altero bideutato ; dentibus lateralibus 

 angustissimis, argute striatis. 



Hah. Bengal ; also recorded from fhe River Jumna. 



The dimensions given below are taken from the two specimens 

 forming the type series in the British Museum : — 



1. 2. 



Long 8 8 mm. 



Lat li> 9-75 mm. 



Diam 5 *2 mm, 



* Sin^rle T;ilve. 



