PATAGONIAN EXPEDITIONS: ZOOLOGY. 



EXPLANATION OF PLATE XV. 

 Arctocephalus australis and A. philippii. 



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Fig. I. Arctocephalus australis: Side view of skull, c? ad., x |. Straits 



of Magellan. U. S. Nat. Mus. No. 23,331 124 



Fig. 2. Arctocephalus philippii : Side view of skull, c? ad., X J. Hood 



Island, Galapagos Archipelago. U. S. Nat. Mus. No. 23,281 . 131 



(vol. hi) 



