THE PEDRO SEAL. 
307 
of her neck, 3ft. Sin. ; the widest part of her fore 
fins, 18in. ; her hind fins 2ft. 4in. in length. Her 
back is formed like a round top of a trunk, with 
small white bumps in straight lines resembling the 
nails on a trunk ; her colour is variegated like the 
rainbow [probably the living skin displayed opaline 
reflections] ; there is no shell on her back, but a 
thick skin like pump-leather: ” &c., &:c. 
‘^Negril Bay, 13th April, 1846.” 
THE PEDRO SEAL. 
In the Jamaica Almanack for 1843, Mr. Hill 
published a Memoir on a Seal inhabiting the Pedro 
Kays, a reef of rocks, lying off the south coast of 
Jamaica. As it appears to be a species unknown to 
naturalists, and as the publication in which it was 
described had only a transient and local interest, I 
transcribe the Memoir at length, adding to it such 
particulars of the natural history of the animal, as 
have since been communicated to me by my friend. 
“ The differences which exist in the crania of the 
Phocidcs^ and other discrepancies of structure which 
have been remarked as distinguishing the several 
genera into which the family is divided, would appear 
to make the Seal from the Pedro Shoal more allied 
to the Ph. vitulina of Linn. {Calocephalus, Fr. Cuv.) 
than to any of which we have detailed accounts, 
although very different from all. The shoulders. 
* From Mr. Hill’s description it appears to have the incisors and 
nail-less hind feet of Stenorhynchus, with the molars of Calocephalus. 
The data are perhaps not sufficient to warrant the formation of a new 
