SEALS 9 



Ogmorhinus leptonyx, (The Léopard Seal). 



Phoca leptonix, H. M. D. de Blainville. Journal de Physique etc., t. xci, pp. 288-289 

 and 297-298, Octobre 1820. 



Material received : — ■ No. 899, skull. — « Mâle jeune (un an ?). Banquise Antarctique, 

 par env. 69 10' Lat. S. et 79 Long. O. Greenw., 20 Février 1898. » No skin was received. 



The single skull received is evidently, as described by the naturalists of the expédition, 

 that of a young maie. The following are its principal dimensions in millimètres, together 

 with those of the skulls of this species in the collection of the British Muséum : — 



O 



o 



1! • 

 £ 5 

 5 'S 



v, S 



V S 



G) 



a 



<u <u 



- w 



" O 

 -S o 



i— I rC 



P. a; 





4-. ^ 



o 



4, o o 



5 'V ^ 



•a <u ,* J 



n 2 o 



.2 o c 



1-. en 



OJ u a] 



<" > 



c i> oj 



°r5 



S O 



Su 



4) £ 

 ^ ° 



.SP2 



'5 +* 



** o 



Collected by the "Belgica,,. 



No S99. cf juv. 



18 



^ Teeth clean and unworn : 



( cheek-teeth crowded. 



In the Collection of the British Muséum of Natural History. 



No. 325 d., 46. 4. i5. 23, 

 adult. Antarctic Seas. 

 Presented by the Admi- 

 ralty. Sir James Ross's 

 Antarctic Expédition of 

 i83q to 1843. 



392 



No. 325 n , 85. 10. 20 

 adult. Falkland Islands. 



Mr. E. A. Holmstead. ) 



No.325 i, old. Lord Howe , 



Island. Vo}'age of the ( 



- Herald », Sept. iS53 i 

 J. M<= G. 



No. 93. 9. 14. 1. not quite 1 



adult. Near New Geor- > 



gia. Capt. D. Gra\-. 1 



No.325 b.,46. i5. 24, adult. 

 Antarctic Seas. Presen- 

 ted by the Admiralty. 

 Sir J. Ross's Antarctic 

 Expédition of 1839 to 

 1843. The skin of this 

 spécimen is in the Mu- 

 séum. 



390 



382 



382 



379 



1S2 



173 



168 



r63 



162 



1S8 



132 



132 



132 



i3 4 



i35 



118 



n5 



101 5 



98 



114 



36 



91 5 32 



100 5 



94 4 



(approx.) 



35 



36. 5 



19 



19 



17 5 



19 



19. 



16 



i5 5 



i5 5 



( Teeth clean and but 

 16 5, slightly worn. Height of 

 sagittal crest n mm. 



Teeth worn. Height of 

 14 sagittal crest at base 



Teeth much damaged and 

 17 5) worn. Height of sagit- 

 ( tal crest 7 mm. 



INo lower jaw.Teeth clean 

 and unworn. First upper 

 cheek-tooth close to ca- 

 !nines. Sagittal crest 

 slight. (Height about 

 2.5 mm. at base). 



S Teeth worn. Height of 

 f sagittal crest 5-6 mm. 



II 



R 5 



