86 Panama Shells. puRPURiDiE. 



Colunibella dorsata Duel, in Chenu 111. Conch, pi. 20. f. 



17, 18. - - 1843. 

 Sowb. Thes. Conch, p. 136. No. 15. 



pi. 39. f. 140-1. - . . : . 1844. 

 Desh. in Lam. An. sans Vert. X. 



291. No. 45. - - - 1844. 



Station. — Unknown. 



Habitat. — I. of Muerte, Bay of Guayaquil; Cuming 1 Sowerby : 

 also Miiller. 



Shores of Columbia; Deshayes. 



I. of Muerte ; Jay. 



Panama ; C. B. A. | 

 We obtained only 1 dead shell of rather small size. 



84. Coluinbella fltictiiata. 



Synonymy. 



Oohimhella fiuctitata Sowb. in Proc. Zool. Soc. Lond. 



p. 115. Juno 1832. 



suturalis Griff. Cuv. An. King. Moll. pi. 41. 



f. 6? - - 1834. 



fluctuata Miill. Synop. Nov. Test. Viv. p. 84. 1836. 



suturalis Kiener Iconog. p. 45. pi. 9. f. 2. 



fluctuosa Duel, in Chenu, pi. 13. f. 11, 12. 1843. 



fluctuata Sowb. Thes. Conch, p. 138. No. 82. 



pi. 39. f. 150. 1844. 

 Desh. in Lam. An. sans Vert. X. 



283. No. 33. - - 1844. 



Station. — Under stones ; Cuming I Sowerby : also Miiller. 

 Our specimens were found under stones a little above the low 

 water mark of neap tides. 



Habitat. — Gulf of Nicoya ; Cuming! Sowerby: also Miiller. 

 Shores of Peru ; Kiener. 

 Gulf of Nicoya ; Deshayes : also Jay. 

 Panama ; C. B. A. ! 

 We collected on the reef about 400 specimens of this elegant 

 species. 



