TURBINELLA. Panama Shells. 131 



Taboga ; C, B. A. ! 



We obtained 1 living and 1 dead specimen. 



This species and T. muricata furnish another interesting ex- 

 ample of a pair of nearly allied types, of which one inhabits 

 the Pacific shores of tropical America, while the other is a 

 Caribbean species. 



150. Tiirbinella castanea. 



Synonymy. 



Turlinella castanea Gray in Zool. Beech. Voy. p. 114. 1839. 



Siebold in Wiegm. Archiv. p. 213. 1839. 



acuminate Reeve Conch. Syst. pi. 229. f. 2. 1842. 



castanea Reeve Conch. Icon. pi. 5. f. 26. July 1847. 



Station. In crevices of rocks ; Cuming ! Reeve. 

 We found this species in the same situation, not far from low 

 water mark. 



Habitat. Pacific Ocean ; Gray. 



Panama ; Cuming ! Reeve. 

 Panama ; Jay. 



Panama ; E. Jewett ! Gould MSS. 

 Taboga and Panama ; C. B. A. ! 



We collected 32 specimens, 12 of which were taken alive. 

 Many of them are covered with prominent spiral linear ridges, 

 which are wanting on others. But the number of specimens 

 with intermediate characters is so large as to show that the dis- 

 tinction is not of specific value. 



151. Turbmella cerata. 



Synonymy. 



Murcx ccratus Wood Ind. Test, Supp. pi. 5. f. 15. 1828. 



Turbinclla cerata Griff. An. King.Moll.pl. 41. f. 5. 1834. 



Gray in Zool. Beech. Voy. p. 1 14. 1839. 



Kiener Iconog. p. 25. f. 16. f. 1. 



Reeve Conch. Icon. pi. 7. f. 37. Aug. 1847. 



Station. Under stones at low water ; Cuming ! Reeve. 



