184 SPECIMENS OF PINNIPEDIA. 



15. Skull, young, Flioca gnmilandica. Zygomatic arches 



broken. Length 6^ inches, over vertex 8| inches. 

 Breadth 3| inches. Mandible, length 3| inches. 



16. Scapula and Humerus, right, articulated. Post-sphenoid 



fossa slightly larger than pre-spinous ; coracoid 

 stunted, no acromion. Humerus, length 4i inches, 

 with supracondyloid foramen. 



17. Whiskers, three large bristles of the Harp Seal, nearly 



6 inches long. 



18. FcBtUS of Phoca gnenloMdica, 7 1 inches long ; the brain 



is figured in Challenger Report on Seals, pi. viii. 

 fig. 4. 



(3) Phoca hispida. (Pho. h.) 



(Ringed Seal or Floe Rat, North Atlantic and Arctic Oceans.) 



Phoca hispida, Sclireber, Die Sdugethiere, 1778. 

 Phoca fcetida, Fabricius, Fauna grcenlomdica, 1780. 

 Phoca annellata, Nilsson, Slcand. Fauna, 1820. 



Blackish on back, sides lighter with white spots, belly 

 yellowish white. Length 4 to 5 feet ; the smallest 

 species of Phoca. Vertebral formula C^D^^LgS^Cdj^ = 

 45. Interorbital part of cranium greatly attenuated; 

 inner wall of orbit complete. Post-canines neither 

 crowded nor oblique, bi- or tricuspidate in upper 

 jaw, frequently quadricuspidate in lower jaw, the 

 second cusp being the largest. Hard palate concave 

 at posterior border. Mandible with subcondylar 

 process forming a vertical ridge, inverted, distinct 

 from tubercle at angle ; coronoid pointed. Basi- 

 occipital defective laterally and mesially. Tympanic 

 smooth, with strong ridge anteriorly. 



1 . Skull, male, nearly adult. Length 5| inches, over vertex 



8 inches. Breadth, zygomatic 3| inches, cranial 3| 

 inches. Mandible, length 3| inches. 

 Lat. 73^ 22' N., long. 13 28' W. 



Donor — Dr Robert Gray, Peterhead. 



2. Skull. Length 5J inches, over vertex 7i inches ; breadth, 



zygomatic 3| inches, cranial 3^ inches. Mandible, 

 length 3f inches. 

 Lat. 74 43' N., long. 11° 30' W. 



Donor — Dr Robert Gray, Peterhead. 



3. Skull, adult. Length 6| inches, over vertex 8^ inches; 



