ORBICULA. Panama Shells. 303 



Class BRACHIOPODA. 

 517. Orbicula Cumiiigii. 



Synonymy. 



Orbicula Cumingii Brod. in Proc. Zool. Soc. Loud. p. 125. Nov. 1833. 

 Brod. in Trans. Zool. Soc. Lond. I. 143, 



pi. 23. f. 1. 1835. 



Brod. in Ann. des Sc. Nat. p. 29. pi. 2. f. 1. 1835. 



Mull. Syn. Test. Viv. p. 175. 1836. 



Lam. An. sans Vert. VII. 317. No. 3. 



(Desk ed.) 1836. 

 Lam. An. sans Vert. III. Pt. I. p. 118. 



No. 3. (Desh. ed.tert.) 1841. 

 Sowb. Thes. Conch, p. 366. No. 4. 



pi. 73. f. 6. 1846. 

 Orb. Voy. Amer. Merid. MoJl. p. 677. 1846. 



Station. Attached to the lower sides of stones, in sandy 

 mud, at low water, and in some instances at a depth of 6 

 fathoms ; Cumiug ! Broderip. 



Our specimens were also found at low water mark, attached 

 to the under side of stones. 



Habitat. Payta, St. Elena, and Panama ; Cuming ! Broderip ; 

 also Sowerby. 



Payta and St. Elena ; Cuming ! Orbigny. 



Seas of Chili and of Peru ; Deshayes. 



Panama; C. B. A. ! 

 50 specimens were collected on the reef. 



