CHAMA. Panama Shells.. 263 



Habitat. — Panama ; C B. A. 1 

 2 specimens were obtained. 



Family— OHAMID^. 

 405. Chama JBuddiana. Nov. sp. 



Shell orbicular or subtriangular : exteriot surface and inner 

 margins purplish red, with the spines pure white: surface 

 uneven, with interrupted radiating stria; uppef valve orna- 

 mented with a few radiating series of shol't thick triangular 

 vaulted spines : lower valve attached by about two-thirds to 

 three-quarters of its surface, the rest being like the upper valve, 

 but with the dentiform spines smaller : within both valves are 

 deeply and finely crenulated at the junction of the white sur- 

 face and red margin : beak submarginal. Easily distinguished 

 from C Pacifica and G. JBroderipii by the small thick dentiform 

 triangular white spines. 



Diameter about 3 inches. 



Station. — On ledges of rocks, a little above loW water mark. 

 The lower valve is so firmly attached as to render it difficult to 

 obtain specimens entire without the use of mlneralogical tools. 



Habitat — Guaymas ; Lt. Green I Mus* Essex Inst. 



Panama ; C. B. A. I 

 6 specimens were obtained. 

 Named in honor of Dr. B. W. Budd of New York city. 



40G. Chaina comig^ata f 



Synonymy. 



Chama corrugata Brod. in Proc. Zool. Soc. Lond. p. 150. l)ec. 1834. 



. Brod. in Trans. Zool. Soc. Lond. I. 306. 



pi. 31. f. 7. 1835. 



Ilanley Descr. Catal. p. 229. 1846 ? 



Eeeve Conch, Icon, pi, 2. f. 9. Dec. 1846. 



Possibly our shell may be a large specimen of C. Panamen- 



JULY, 185S. 64 Amh. Ltc. NiX. Hist. 



