30 BIVALVE SHELLS. 



obliquus, ssepius ascendens ; ligamentum externum margine rimae 

 subtectum. 



Chama Felan, Adans. (175/) Voy. au Seneg. p. 227. 

 Venus, Chemn. (1788) Concli. x. 356. 



Gmel. (1788) p. 3285. no. 91. 



Dillw. (1817) Cat. i. 192. no. 17. 



Wood (1825), Ind. Test. pl. 8. f. 76. 



Desh. (1835) in Lamk. vi. 291. 

 Cyprina (spec), Lamk. (1818) An. s. Vert. v. no. 6 ; 2 ed. vi. 291. 



(1835) no. 6. 

 Artemis, Reeve (1851), Conch. Icon. pl. 1. f. 6. 



Sow.jun. (1852) Thes. Conch. p. 661. 



Gould, Proc. Zool. Soc. Boston (1851), p. 91. 



Adams (1852), Panama Shells, p. 275. no. 449. 

 Cyclina, Desh. (1849) Traite Elem. i. pl. 14 bis, f. 20-22. 

 Lucinopsis, Forbes df Hanley, Moll. p. 435. 

 Cytherea (spec), Macgillivray . 

 Dosinia (sect.), Gray, Proc. Zool. Soc. (1847) p. 183. 

 Lucina (spec), Turton, Bivalves, p. 115. 



Scacchi, Cat. 5. 

 Mysia (spec), Leach MSS. (1818) Ann. ^ Mag. N.H. xx. (1847) 



'272. 

 Mysia, King, Ann. Sf Mag. N. H. xviii. 242. 



Synopsis Specierum. 

 L Testa tumida, marginibus crenatis, 1-3. 

 IL Testa depressa, marginibus integris, 4-11. 



I. Testa tumida, marginihus crenatis. 



1. Cyclina Chinensis. B.M. 



C. testa subquadrato-orbiculari, tenuicula, valde gibbosa, con- 

 centrice subirregulariter striata, striis elevatiusculis, striis aliis 

 tenuibus impressis radiantibus decussatis, area hgamenti sim- 

 plici, lunula nulla, marginibus intus crenulatis ; albida ferru- 

 gineo tincta, marginem versus cinereo-caerulescente. 



Venus Chiuensis, Chemn. Conch. Cah. x. 396. pl. 171. f. 1663. 



Dillw. Cat. i. 192. no. 77- 



Wood, Ind. Test. pl. 8. f. 7G. 



Desh. in Lamk. An. s. Vert. vi. 291. no. 6. 

 Venus Sinensis, Gmel. p. 3285. no. 91. 



Hanley, Descr. Cat. p. 116. 

 Cyprina tenuistria, Lamk. An. s. Vert. v. 558. 



