— 113 — 



Iliiiinsculo<sa Gould 1841. Rep. Iiivert. of Massach. j). ^5. 

 Etym. bis; inusculus. 

 Prior sectio Conchiferoruni, divisa in 

 1) hiantia. Genera: Pholas. Panopaea, Glycymeris, 

 Teredo. Solen, Solecurtus, Soleniya, Maohaera. 

 Mya, Anatina, Montacuta, Cochlodesma, Osteo- 

 desma. Mactra, Mesodesma, Cumins^ia, Kcnia. 

 2)clausa. Genera: Corbula, Pandora, Thracia. Saxi- 

 cava, Petricola. Psammobia, Tellina, Lucina. Cy- 

 prina, Cytherea, Venus, Astarte. Cardium, Cardita. 

 Unio, Alasmodon, Anodon, Cyclas. 

 = Dimyaria Lamck. 

 Biplex Perhy 1811. Conch. * teste Desh. Enc. meth. IL 

 p. L38. 

 Etym. bis; plica. 

 = Ranella Lamck. 

 Birostra Swainson 1840. Malac. p, 325. Conf. G. B. Sow. 

 jun. Conch. Man. p. 83. 

 Etym. bisj rostrum. 



Genus Ovulinarum. Typus: Ovula volva Linn. 

 = Volva Bolten. 

 BiroistriteM Lamck. 1819. Hist. VL p. 235. (ed. 2a VIL p. 295.) 

 Etym. praec. (Melius Birostrum.) 

 Genus Rudistarum. 



Pariter Ferussac 1819. Tabl. syst, p. XL. 



Blainv. 1825. Mal. p. 517. — injungitur Jo- 

 damia. 

 Des3I0Uli>s 1826. in Bull. Soc. Linn. de Bord. I. * 

 — genus rejiciendum esse probat, institutum pro 

 nucleis Sphacrulitarum. 

 Adsentiunt Raag 1^829. Man. p. 267. 



Desii. 1832. Enc. meth. IIL p.917. 967.et 1836 



in Lamck. ed. 2a VIL p. 279. 287. 

 Bro\x 1838. Leth. p. 625. 

 G. B. Sow. jun. 1843. Conch. Man. p. 8.3. 

 G. B. Sow. Gen. Sh. fasc. 11. * — Dicerati injun- 

 gendum putat. 



Vol. L 8 



