PATAGONIAN EXPEDITIONS: ZOOLOGY. 



EXPLANATION OF PLATE XV. 



Arctocephalus australis and A. philippii. 



PACE 



Fig. I. A RCTOCEPH.'VLUS 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, cf ad., X |. Hood 



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



(vol. Ill) 



