80 



BULLETIN 111, UNITED STATES NATIONAL MUSEUM. 



DENTALIUM (EPISIPHON) SOWERBYI PELLICERI, new subspecies. 



Plate 13, figs. 7, 8, 9. 



A number of lots of Dentalium sowerhyi taken by the Barrera Expe- 

 dition on the northwest coast of Cuba from Httoral stations within the 

 Colorados Reefs are of shells thinner, more transparent, and more 

 noticeably of a salmon tint, and with a smoother polished surface than 



. 



