PATAGONIAN EXPEDITIONS I PALEONTOLOGY. 



EXPLANATION OF PLATE LIV. 



PAGE. 



Fig. i. CLADOSICTIS PETERSONI, type : Skull from the left side (No. 15,702). 391 

 Fig. 2. PROTIIYLACYNUS PATAGONICUS : Left astragalus, inner side (No. 



i57oo) 370 



Fig. 2a. " " Left astragalus, plantar aspect (No. 



15,700). 

 Fig. 3. CLADOSICTIS LUSTRATUS : Right pes, dorsum (No. 15,046), preserving 



arrangement of elements as in matrix . 385 



Fig. 4. " " Right manus, dorsum (No. 15,046), show- 



ing the opposable thumb. Elements 

 arranged as in matrix .... 383 



Fig. 5. AMPHIPROVIVERRA MANZANIANA : Right manus, dorsum (No. 15,154). 



Arrangement of elements as in 

 matrix, with the exception of 

 the ungual of the second digit . 398 



Fig. 6. " Left pes, dorsum (No. 15,154), show- 



ing the opposable hallux . 399 



Fig. 7. BORHY^ENA TUBERATA: Left manus, dorsum (No. 15,701). The 

 scaphoid and trapezium are supplied from the opposite side. 

 Association of phalanges conjectural. ..... 353 



Fig. 8. PROTHYLACYNUS PATAGONICUS: Left pes, dorsum (No. 15,700), 



showing the reduced hallux . 370 

 Fig. 9. " " Phalanges of the fore foot (No. 



15,700). Association conjectural. 368 

 Fig. 10. CLADOSICTIS PETERSONI, type : Left astragalus, dorsal aspect (No. 



'5-702) . 385 



Fig. ii. AMPHIPROVIVERRA MANZANIANA: Claw of right pollex, inner side 



^(No. 15,154) . . .... 399 



Fig. 12. CLADOSICTIS LUSTRATUS: Claw of right pollex, inner side (No. 



15,046) . . 383 



Fig. 1 3. BORHY/ENA TUBERATA : Claw, presumably of the fourth digit of the 



left manus, outer side (No. 15,701) ...... 355. 



Fig. 14. PROTHYLACYNUS PATAGONICUS: Claw of fore foot, side view (No. 



15.700) . 368 



All the figures are natural size. 



(VOL. iv.) 



