140 



23. B. producta, Deshayes, Proc. Zool. Lond. xxii, 13, 1854. 

 J. Conchyl. xiii, 208, 1865. Philippine Islands. 



24. B. rotundata, Deshayes. 



Cyrena rotundata, Lea, Trans. Amer. Phil. Soc. Phila. v, 107, 

 pi. xvii, f. 51, 1832. Hanley, Descrip. Cat. 93, pi. xiv, 

 f. 55, 1844. Java. 



25. B. Similis, Prime, Ann. Lye. N. H. N. Y. vii. 112, 1859. 

 Prime, Cat. Corb. 5, 1863. Ann. Lye. N. H. N. Y. viii, 



229, f. 60, 1866. Nicobar. 



26. B. SOlidula, Prime, Proc. Zool. Lond. 



Prime, Cat. Corb. 5, 1863. Ann. Lye. N. H. N. Y. viii, 

 83, f. 32, 1864. Hab. ? 



27. B. tenebrosa, Deshayes. 



Cyrena tenebrosa, Hinds, Ann. Mag. N. H. n. ser. x, 81, 

 1842. Hanley, Descrip. Cat. pi. xv, f. 2, 1844. 



Cyrena regulata, Gassies, J. Conchyl. vii, 372, 1858. 



Batissa tenebrosa, Deshayes, Brit. Mus. Cat. Conchif. 238, 

 1854. Prime, Cat. Corb. 5, 1863. Fejee Islands. 



28. B. triquetra, Deshayes, Proc. Zool. Lond. xxii, 13, 1854. 



Prime, Cat. Corb. 5, 1863. Act. Soc. Linn. Bord. xxiv, 

 323, pi. viii, f. 17, 1863. J. Conchyl. xiii, 207, 1865. 

 Ann. Lye. N. H. N. Y. viii, 230, f. 61, 1866. 



Philippine Islands. 



29. B. unioniformis, Prime, Proc. Zool. Lond. xxviii, 319, 



1860. 

 Prime, Cat. Corb. 5, 1863. Fejee Islands. 



30. B. violacea, Deshayes. 



Cyclas, Encycl. Meth. pi. 301, f. 1, a-b. 



Cyclas violacea, Lamarck, Ann. Mus. Hist. Nat. vii; 421, 



1806. 

 Cyrena violacea, Lamarck, Lam. An. v, 553, 1818. Deles - 



sert, Recueil, pi. vii, f. 5, 1841. 

 Batissa violacea, Deshayes, Brit. Mus. Cat. Conchif. 238, 



1854. The Islands of the Pacific. 



TO BE EXCLUDED. 



Batissa eximia, Deshayes, = Cyrena eximia. 



Batissa impressa, H. and A. Adams, = Cyrena eximia. 



Batissa sphcericula, Prime, = B. Jayana* 



