PATAGONIAN EXPEDITIONS: PALEONTOLOGY. 



EXPLANATION OF PLATE IX. 



Fig. 



5- 



Fig. 



6. 



Fig. 



7- 



Fig. 8. 



Fig. I . Proterotherium dodgei, type : Left upper teeth, outer side. (No 



15,107.) .... 

 Fig. la. " " " The same, crown view. (No.15,107.' 



Fig. 2. Proterotherium BROWNii, type : Left upper teeth, outer side. (No 



9568, A. M. N. H.) 

 Fig. 2a. " " " The same, crown view. (No 



9568, A. M. N. H.) 

 Fig. 3. Proterotherium karaikense : P-*-M-, left side, crown view. 



From cast of type. Amegh 



Coll 



Fig. 4. Proterotherium nitens : Upper teeth, right side, crown view, 



From cast of type. Amegh. Coll. 

 Proterotherium dodgei : Dp-^M-, right side, crown view. (No 



i5>838.) 



" " My-2, leftside, crown view. (No. 15,838.) 



Proterotherium australe : Right upper teeth, crown view. From 



cast of type of P. curtidens. Amegh. 



Coll 



" " • Rieht lower teeth, crown view. From 



cast of type of P. airtidens. Amegh. 



Coll 



Fig. 9. Proterotherium perpolitum : M-, right side, crown view. From 



cast of type. Amegh. Coll. 

 Fig. I o. Proterotherium politum : M-, right side, crown view. From cast 



of type. Amegh. Coll. . 

 Fig. II. Proterotherium CAVUM : Skull, left side. (No. 9245, A. M. N. H.) 

 Fig. ii«. " " Occiput. (No. 9245, A. M. N. H.) 



All figures natural size. 



79 



70 



n 



77 

 79 



63 



63 



72, 

 78 

 56 



(vol. vii) 



