86 Panama Shells. PUKPURDm 



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



17, 18. - 1843. 

 Sowb. Thes. Conch, p. 136. No. 75. 



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 ; Chiming ! 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. Columbella fluctuata. 



Synonymy. 



Columbella fluctuata Sowb. in Proc. Zool. Soc. Lond. 



p. 115. June 1832. 



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



f. 6? - - 1834. 



fluctuata Mull. 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 ! 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 Muller. 

 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. 



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