Fig. Ibl. 

 Diadiaphorus majusciilus Amegliino. Upper Miocene of Santa Cruz, Pata- 

 gonia. j1, Right upper jaw, 3/^ (alter Ameghino). £, Upper il/i • 2. C, Lower 

 M2 and JI/3, 1/1. D, Calcaneum, 2/3. E, F, Astragalus, 2/3. G, Metatarsal III, 

 front view and distal end, 2/3. H, First phalange of middle toe of hind-foot, 2/3. 



Fig. les. 

 Thoatlicriuin minusculuin, Amegliino. Upper 

 Miocene of Santa Cruz, Patagonia. Lower jaw. 

 2/3. (After Atneghino.) 



:y"' 



Fig. 162. 

 Epitherium Jaternarium Amegliino. Pleisto- 

 cene, Monte Hermoso, Argentina. Right 

 hind-foot. Vs- (After Ameghino.) 



Fio. 164. 

 Adianttis jxitrigonicus Amegliino. Colpodon 

 beds. Middle Miocene of Patagonia. Lower 

 jaw without M^. ■1/5. 



