182 specimens of pinnipedia. 



(2) Phoca groenlandica. (Pho. GR.) 



(Harp Seal, Saddleback, North Atlantic and Arctic Oceans.) 



Phoca groenlandica, Fahricius in Milllers Zool. Dan. Prod., 

 1776, and in Fauna Greenland., 1780. 



Colour tawny grey, nose and front of head black, 

 saddle-shaped black mark on sides extending from 

 shoulders to tail. In the young animal the mark 

 has not formed, but the grey colour is interspersed 

 with large dark spots. Length from 5 to 6 feet. 

 Vertebral formula C>jT)-^^^^.f^dy^ — 4<'^. Post-canines 



5 5 



^ z, not closely set, not oblique ; large cusp with one 



or two supplementary cusps in upper and three 

 supplementary cusps in the lower. Tympanic bulla 

 prolonged into wall of external meatus, the aperture 

 of which looks forwards. Large triangular area on 

 top of cranium, bounded on each side by a marked 

 ridge. Hard palate truncated, shallow, reaching 

 hamulars. Mandible with triangular, inverted, sub- 

 condylar process distinct from tubercle at angle; 

 coronoid long, pointed, the two halves parallel and 

 close together for almost their anterior half, and then 

 diverging. Interorbital compression not so marked 

 as in vitulina. 



1. Skull, adult. Length 8^ inches, over vertex 10| inches; 



breadth, zygomatic 4| inches, cranial 4 inches. 

 Mandible, length 5| inches. 

 North Atlantic. Donor^ — Dr A. Fleming. 



2. Skull, adult. Length 8 inches, over vertex 10^ inches ; 



breadth, zygomatic 4^ inches, cranial 3| inches. 

 Mandible 5^ inches. 



Donor — Dr James Foulis, Lamont Expedition. 



3. Skull, adult. Length 8^ inches, over vertex 10 inches; 



breadth, zygomatic 4i inches, cranial 3| inches. 

 Mandible 5 inches. 

 North Atlantic. 



Donor — Dr A. J. M. Bentley, Lamont Expedition. 



4. Skull, adult. Length 8f inches, over vertex lOf inches ; 



breadth, zygomatic 5 inches, cranial 4 inches. No 

 mandible. 

 North Atlantic. 



