PATAGONIAN EXPEDITIONS: ZOOLOGY. 



EXPLANATION OF PLATE XII. 



Akodon, six species, and Phyllotis micropus. 



PAGE 



Fig. i-ia. Akodon xanthorhinus : Upper and lower teeth, greatly worn, 

 c? ad., Xf Skull figured on Plate XI, Fig. i-i/5. No. 13, 

 Colburn Collection. ........ 71 



Fig. 2-2.3;. Akodon xanthorhinus : Upper and lower teeth, of a young 

 specimen with unworn teeth, for comparison with Fig. \-ia. 

 Punta Arenas, Patagonia. No. 7, Colburn Collection. 

 Akodon canescens : Upper and lower teeth, greatly worn, J* 



ad., X f . Skull figured on Plate XI, Fig. 2-2^ ... yT, 



Akodon canescens : Upper and lower teeth, (^ juv., with unworn 

 teeth, for comparison with Fig. 3-3^:. Mouth of Rio Gal- 

 legos, Patagonia. U. S. Nat. Mus. No. 92,192. 

 Akodon caliginosus : Upper and lower teeth, greatly worn, 9 



ad., X f . Skull figured on Plate XI, Fig. ^-^d. 

 Akodon caliginosus : Upper and lower teeth, unworn, 9 juv., 

 for comparison with Fig. 5-5^;. Inca Mines, Peru. Am. 

 Mus. No. 16,055. 

 Akodon pulcherrimus : Upper and lower teeth, greatly worn, 



(f ad., X A. Skull figured on Plate XI, Fig. 4-46. 

 Akodon pulcherrimus: Upper and lower teeth, unworn, for 

 comparison with Fig. y-ya, J* juv., X f . Inca Mines, Peru. 

 Am. Mus. No. 16,510. 

 Akodon suffusus: Upper and lower teeth, greatly worn, cfad., 



X f . Skull figured on Plate XI, Fig. 5-5^5 .... 76 



Akodon suffusus : Upper and lower teeth, very slightly 

 worn, for comparison with Fig. 9-9(1;, J" juv., X ^. Upper 

 Rio Chico, Patagonia. U. S. Nat. Mus. No. 84,322. 

 Akodon vestitus : Upper and lower teeth, greatly worn, 9 



ad., X f Skull figured on Plate XI, Fig. 6-6^ ... 78 



Akodon vestitus: Upper and lower teeth, slightly worn, 9 

 juv., for comparison with Fig. ii-iirt;, X f . Upper Rio 

 Chico, Cordilleras, Patagonia. U. S. Nat. Mus. No. 84,235. 

 PiiVLLOTis micropus : Skull (X f ) and upper and lower teeth 

 (X f), (^ ad., with the teeth greatly worn. Upper Rio Chico, 

 Cordilleras, Patagonia. U. S. Nat. Mus. No. 84,338. . 60 



(vol. in) 



