t^^l

218 CYIIENIDJE.
S54. Corbicula bensoni, BesJiayes.
Corbicula hensoni, Deshayes, P. Z. S. xxii, 1864, p. 346 ; Cat. Brit.
Mils., Vener. p. 224.
Corbicula bensonii, Desh., Prime, Cat. Corb. 1809-70; Gen. Corbicula,
p. 128, no. 11.
Corbicula hensoni. If. & T., C. I. 1876, p. 65, pi. 138, figs. 1, 4 ;
Clessin, in Martini & Chemnitz, 1879, p. 198, no. 111.
Original description:—Testa ovato-tralisversa, subtrigona, sequilaterali,
laevigata, nitida, depressiuscula, extremitatibus, obtusa,
iitroque latere aequaliter declivi, epidermide tenui, nitente, virescente
vel flavescente induta, aliquantisper lineis interruptis,fuscis
radiata, intus alba, vel pallide violasoente; cardine angusto, tridentato,
dentibus insequalibus valde divaricatis, dentibus lateralibus
prselongis, angustissimis, tenuissime striato-crenatis, antico paullo
longiore. (
Hah. Bengal; also recorded from the Eiver Jumna.
The dimensions given below are taken as follows :—No. 1 from
the single valve representing the type, and l^os. 2 and 'A from two
other specimens in the British Museum ;—
Long. , . .
Lat
Diam.
1. 2. 3.
7-5 7
9-25 9-5
*2 4-25
* Single valves.
1 mm.
9-2o mm.
*2 mm.
355. Corbicula consanguinea, Prime.
Corbicula consanquinea, Prime, Ann. Lvo. Nat. Hist. N. Y. viii,
1867, p. 417; Cat. Corb. 1869-70, p.' 129, no. 22; Cleasin, in
Martini & Chemnitz, 1879, p. 199.
Original description:—Testa ovato-transversa, compressiuscula,
sequilaterali; epidermide viridescente, nitente vestita; regulariter
striata; umbonibus brevibus, atro-violascentibus ; valvis intus
violaceis; cardine lato.
Long. 14, lat. 16, diam. 9 mm.
Hah. India.
The type is inaccessible to the compiler of the present volume ;
the author, however, states that though closely allied to C. striatella,
Deshayes, the lateral teeth are stronger and much broader
in the present species.
3o6. Corbicula sylhetica, Preston.
Corbicula sylhetica, Preston, Eec. Ind. Mils. Calcutta, ii, 1908,
pp. 47-48 (^flg. in text).
Original description:—^^\iBVL nearly equilateral, tumid, subtrigonal,
pale olive-green, sculptured with fine irregular concentric