PATAGONIAN EXPEDITIONS : PAL/F.ONTOLOGY. 



EXPLANATION OF PLATE LXI. 



PAGE. 



Fig. i . CLADOSICTIS LUSTRATUS : Restoration of the skeleton based on two 

 specimens in the Princeton collection. The head, neck, scapula, 

 radius, ulna, pelvis, femur, tibia, fibula, ribs, lumbar and caudal 

 vertebrae are from No. 15,170. The dorsal vertebrae and feet are 

 enlarged to scale from No. 1 5,046. The humerus is restored from 

 Cladosictis petersoni (No. 15,702) . . . . 



Fig. 2. PROTHYLACYNUS PATAGONICUS : Restoration of the skeleton from re- 

 mains of a single individual (No. 15,700). The facial portion of 

 the skull, the sixth and seventh cervicals and the fore foot are 

 supplied from Borhyczna tuberata. The calcaneum is restored 

 after Cladosictis . . . . . . . . . . 37 J 



Fig. 3. BORHY^ENA TUBERATA: Restoration of the skeleton (No. 15,701). The 

 humerus, posterior lumbars, pelvis, patella and hind foot are sup- 

 plied from Frothy 'lacy mus. The fabella, tibia and fibula are from 

 Thylacynus. The fourth cervical has been enlarged to scale after 

 Borhytena excavata (No. 15,120). ...... 355 



All the figures are about one fourth the natural size. Conjectural parts are un- 

 shaded ; those supplied from related forms are indicated by oblique hachure. 



(VOL. iv.) 



