212 CYRENID^. 



Cyrena fluDdnca, Lamk. An. s. Vert, v, p. 553, no. 6 ; Ilanley, 

 Descr. Cat. p. 92; Pliilippi, Abbild. Concli. p. 2, no. 3, pi. J, 

 iig". 3, cm eadem species '^ : Mousson, Moll, de Java, p. 87, no. 2, 

 pi. 15, tig. 3. 



Original description : — Testa gibba, opaca, aiitice et postice 

 versus cardinem fere sequalis, extus viridis, costis latis traiisvei'sis 

 quasi circulis doliaribus circumdata ; intus albida semicirculo 

 uigro iiotata. Cardinis dentes et fossulae, uti in prsecedenle. 

 JIah. India, etc. 



The dimensions given below are those of three specimens in the 

 British IMuseum : — 



1. 2. 3. 



Long 35-25 37 32-5 mm. 



Lab 42 41-25 37 mm. 



Diam 23 29-25 23 mm. 



339. Corbicula fluviatilis {Midler). 



TelUnaJludatiUs, INIiiller, Verm, ii, 1774, p. 206. 



CyclasfuviaMis, lilainv. D. S. N. xii, p. 280. 



VeuusJIuviafi/is, Chemnitz, Conch.-Cab. vi,p. 330, pi. 30, fig. 321 ; 



Wood, Ind. Test. pi. 8, tig. 115. 

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

 Cyrena fiiviatilis, Philippi, Abbild. Conch, p. 3, no. 5, pi. 1, tig. 5. 



P- 



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



pi. 27, tigs. 3-5. 



Orir/inal description: — Testa Latior et tenuior proxime prse- 

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

 Latitudinis, lineis elevatis cincta area interjecta augustior, quam in 

 2\ [C] fiuminea, variolosa. Eacies interna dentesque cardiuis 

 uti in proxime pra3cideutibus. 



Hah. India, etc. 



The dimensions of a specimen in the British Museum Collection 

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



340. Corbicula parvula, Prime. 



Corbicula parvula, Prime, Proc. Acad. Nat. Sci. Philad. 1861, 

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

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



Original description : — Testa ovato-transversa, depressiuscula, 

 tenui, sequilaterali, extremitatibus rotundata ; umbonibus magnis, 

 tumidis, erosis ; sulcis irregularibus ; epidermide viridi flavescente, 

 irregulariter macnlata vestita ; intus pallide violacea ; dentibus 

 primariis crassis, lateralibus sequalibus. 



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



Hah. India. 



