40 HAND-LIST OF SKALS, MOUSES, 



1. EuMETOPiAs Stelleri, &'rrti/, 6'ttjupZ. Cat. Seals 4' Whales, y.^iO; 

 P. Z. S. 1872, p. 737, figs. 1-5 (head and skull); Allen, Bull. 

 Mus. Comp. Anat. Sf Zool. Harv. t. i. &, t. iii. figs. 9-15. 

 Arctoceplialiis monteriensii.s, Gray, Cat. Seals >S' Whales, p. 49. 



Skin, young. 



1320 6. Skull, young. 



Eumetopias Stelleri (young), Gray, P. Z. S. 1872, pp. 740, 741, figs. 4 

 & 5 (skull). 



Arct. monteriensis, Gray, P. Z. 8. 1859, p. 358. 



Arct. californiauus, Gray, Cat. Seals Si- Whales, p. 51. 



California, Monterey (A. S. Tanlor). 59, 11. 5. 2. 



Presented by J. H. Gurney, Esq., M.P. 



1320 a. Skull and tongue-bones, adult. 13| inches. 

 Arct. monteriensis, Gray, P. Z. S. 1850, p. 858, pi. 72. 

 California, Monterey {A. S. Taylor). 59. 11. 5. 1. 



Presented by J. H, Gurney, Esq., M.P. 



The adult skull of Eumetopias Stelleri in the Paris Museum 

 was figured by Pander and D' Alton, but very badly, under the 

 name of Phoca Jubata. This skull had been overlooked by Nils- 

 sou and others, but Dr. Peters discovered it. The specimen we 

 received from Mr. Gurney from Monterey was figured by me 

 under the name oi Arctocephalus monteriensis in the P. Z. S. 1859, 

 pi. 72 ; and at the same time I described the skuU of a very young 

 specimen under the name of Arctocephalus californianus, which is 

 now in the British Museum. Allen, in his paper on the Eared Seals 

 in the Museum of Comparative Anatomy, has given a view of the 

 underside and posterior end of the skull of a very old and of a 

 middle-aged male Seal, and some other details ; but I am not aware 

 that a specimen in the medium stage between the adult and very 

 young state has ever been described or figured. 



The adult Monterey skuU is very heavy, and is very much wider 

 than in the young (that is to say, the width between the zygomatic 

 arches is the same as the length from the front upper cutting-teeth 

 to the tubercle on the hinder part of the edge of the hinder nasal 

 opening), the palate has much greater width than in the young 

 and is rather contracted behind, and there is a very great space 

 between the fourth and fifth upper grinders. The hinder grinder 

 has a small crown and a large base, consisting of two very distinct 

 roots, the front of which is much the largest. The grinders are 

 much more cylindrical and have more regularly conical crowns 

 than the younger specimen. The lower jaw is very strong and 

 heavy, rather abruptly truncated in front, and is as high under the 

 fifth as under the first grinder ; that is to say, it is not dilated in front, 

 but the same height the whole length. (See P. Z. S. 1859, \± 72.) 



Leo marinus, Steller, Nov. Conim. Petrop. 

 Phoca leonina, Pallas, Zvograph. Posso-Asiatica. 



The skull of Steller's specimen is in the Museum of Paris, and was 

 figured by Pander and D'Alton (t. iii. figs, cl, e, f) as that of Phoca 



