212 CYRE1S T ID,E. 



Cyrena fluminea, Lamk. An. s. Vert, v, p. 553, no. 5 ; Hanley, 

 Descr. Cat. p. 92; Philippi, Abbild. Conch, p. 2, no. 3, pi. 1, 

 fig-. 3, an eadem apecies ? : Mousson, Moll, de Java, p. 87, no. 2, 

 pi. 15, fig. 3. 



Original description : Testa gibba, opaca, antice et postice 

 versus cardinem fere sequalis, extus viridis, costis latis transversis 

 quasi circulis doliaribus circumdata ; intus albida semicirculo 

 nigro notata. Cardinis dentes et fossula3, uti in pracedente. 

 Hob. India, etc. 



The dimensions given below are those of three specimens in the 

 British Museum : 



1. 2. 3. 



Long 35-25 37 32-5 mm. 



Lat 42 41-25 37 mm. 



Diam. . 23 29-25 23 mm. 



339. Corbicula fluviatilis (Mtiller). 



Tellina fluviatilis, Miiller, Verm, ii, 1774, p. 206. 



Cyclasfluviatilis, Blainv. D. S. N. xii, p. 280. 



Venus fluviatilis, Chemnitz, Conch. -Cab. vi, p. 330, pi. 30, fig 1 . 321 ; 



Wood, Ind. Test. pi. 8, fig. 116. 



Cyrena fuscata, Lamk. An. s. Vert, v, p. 552, no. 4, exclus. var. . 

 Cyrena fluviatilis, Philippi, Abbild. Conch, p. 3, no. 5, pi. 1, fig. 5. 

 Cyrena manilensis, Philippi, Zeitschr. fiir Malak. 1841, p. 163. 

 Corbicula fluviatilis, Deshayes, Cat. Brit. Mus., Conchif. 1854, 



p. 226; Prime, Cat. Corb. 1869-70, Gen. Corbicula, no. 41, 



p. 132; Clessin, in Martini & Chemnitz, 1879, pp. 151-152, 



pi. 27, figs. 3-5. 



Original description: Testa latior et tenuior proxime prse- 

 cedentibus, fusco-virens, in cardine antice et postice aBqualis 

 latitudinis, lineis elevatis cincta area interjecta angustior, quam in 

 T. [(7.] fluminea t variolosa. Facies interna dentesque cardinis 

 uti in proxime praecidentibus. 



Hob. India, etc. 



The dimensions of a specimen in the British Museum Collection 

 are : Long. 17, lat. 19-25, diam. 12-25 mm. 



340. Corbicula parjvula. Prime. 



Corbicula parvula, Prime, Proc. A cad. Nat. Sci. Philad. 1861, 

 p. 127; Cat. Corb. 1863, p. 4 ; Ann. Lye. Nat. Hist. N.Y. viii, 

 1864, p. 76, fig. 25 j Cat. Corb. 1869-70, no. 76. 



Original description : Testa ovato-transversa, depressiuscula, 

 tenui, aBquilaterali, extremitatibus rotundata ; umbonibus magnis, 

 tumidis, erosis ; sulcis irregularibus ; epidermide viridi flavescente, 

 irregulariter maculata vestita ; intus pallide violacea ; dentibus 

 primariis crassis, lateralibus aequalibus. 



Long. 10, lat. 12, diam. 5 mm. 



Hab. India. 



