CTKENA. 



205 



327. Cyrena sinuosa, Deshayes. 



Ctirena zei/Ianjca, Moiisson, jNIoll. Java, ]849, p. 89, pi. 12. 

 Ci/rena sinuosa, Uesh., P. Z. S. x.xii, 1854, p. 18; Cat. Bnt. Mus., 

 'Concbif. 18o4, p. 249; Prime, Cat. Corbiculida3, 1863, p. b, 

 1869-1870, p. 147, no. 70; Sowevby, Con. Icoii. 18^8 pl. 7, 

 sp. 26 ; ? ? Clessin, iu Martini & Chemnitz, 1879,_pp. 228-229, 

 pi. 45, iig. 1 

 Original description :— Testa ovato-rotundata, tinnida, cordi- 

 formi, solida, valde in^quilaterali, epidermide fusco-fuligiuosa, 

 transversira tenue lamellosa vestita : latere antico brevi. rotundato, 

 postico subtruncato, latere supero-posticali sulco, proi'undo, 

 sinuoso, deeurrente separate ; umbonibus tumidis, brevibus, 

 Hffipius erosis ; ligameiito aiigusto, partim infosso ; valvis mtus 

 albis ; cardine crasso, utroque latere tridentato, dentibus obliquis, 

 luediano et postico valvar dextrae bitidis ; dentibus lateralibus 

 brevibus, avitico crasso, conico, apice acuto. 

 JIab. Java. Ceylon j^(/c Sowerby. 

 Type in the British Museum. 



The following dimensions are those of specimens ni the 

 National Collection, nos. 1 and 2 being the type specimens from 

 Java and no. 3 a specimen labelled " China." 



1. 2. 3. 



X,ou"' ^y 63 73 nun. 



Lat.°' . '. 71 68 78 mm. 



Diam -13 38 42 mm. 



Clessin's tigure in the Conch. Cab. 1879, pi. 45, fig. 1 is 

 certainly not that of Deshayes' species. 



328. Cyrena bengalensis, Laniard: 



Cyrena bciu/alensis, Lamarck, Anim. sans \'ert, v, 1818, p. 554 ; 

 Delessertj Kecneil, 1841, pi. 7, i\g;s. i5a-^ d ; Prime, Cat. Curb., 

 vi, 18(55 ; 1869-70, p. 142, Gen. Cyrena, no. 5; Sowerby, Conch. 

 Icon. XX, 1878, pi. 7, sp. 23 ; Clessin, in Martini & Chemnitz, 

 1879, pp. 107-108, pi. 13, figs. 1 & 2, pi. 17, tigs. 4 & 6. 



Venus benyalensis, Lister, Hist. An. p]. 345, tig. 182. 



Cydas heiu/alensis, Fernssac, Cat. 1837, p. 20. 



Ci/rena turyida. Lea, Philadelphia, Pa., Trans. Amer. Phil. boo. 

 ■ v 1832, p. 100, pi. 18, fig. 51 ; Ilanley, Descrip. Cat. 1844, p. 93, 

 pi. 14, fig. 50. 



Shell solid, tumid, thick, subtrigonal, blnckish-brown, i-oughly 

 striated; anterior side high, very short, sloped, full; posterior 

 side produced, dorsal margin with a long elope, truncated at the 

 end, very slightly excavated in front of the angle. (Sowu-by.) 



llab. Bengal. 



