GLOBICEPHALUS. 115 



6. Skull, without mandible ; length 2Sh inches, breadth 16i 



inches; beak, length 13 inches, breadth 8| inches; 

 teeth absent. Preniaxillaj as in No. 3. 



7. Skull, without mandible, probably female; length 24 



inches, breadth 15i inches; beak 13 inche*s long, 

 breadth 91 inches ; teeth absent ; premaxillaj smaller 

 than in No. 3, but similarly formed. Pterygoids 

 separated by a cleft I inch wide. 



8. Skull, bisected, right half of. 



9. Skull, disarticulated, with mandible, one of a school which 



visited the Firth of Forth, captured at Granton in 

 1867. The specimen, a young female, about 8 feet 

 long, was dissected by Turner, Jour7i. Anat. and 

 Phys., vol. ii., 1868. See Nos. 18, 22, 24 to 32. 



10. Skull of fostus, disarticulated, from a "Black Fish" 



(Globiceps), from the Gulf of Mexico. 



Donor — Dr F. B. Archer. 

 10a. Cranium, rostrum wanting, of a fcetal G. melas ; ossifica- 

 tion incomplete. The frontal and interparietal form 

 the vertex cranii in the region between the nasals and 

 the occipital. The supra-occipital is not fused with 

 the exoccipitals, nor is the basi-occipital with the 

 basisphenoid. 



11. Mandible of G. melas, fused at the symphysis; length 



17| inches, of symphysis 1^ inch; teeth moderate, 

 acute, ^^. 



Speight's Town, Barbados, May 1869. 



Donor — Dr Archer. 



12. Teeth of G. melas, extracted from the jaws of a young 



animal ; crowns acute and small. 

 Barbados, 1869. Donor— Dr Archer. 



13. Tympano-periotic bones, right, not fused. Tympanic, 



length 1| inch, breadth | inch. Bilobed ; right lobe 

 prominent, rounded, large; left small, pointed; cleft 



