PATAGONIAN EXPEDITIONS : PAL/EONTOLOGY. 



EXPLANATION OF PLATE XVI. 



Fig. I. Peltephilus ferox: Skull, right side. Ameghino collection. (The 



suture between the zygyomatic process and 

 the squamosal has been inadvertently omitted 

 in this figure.) ...... 



Fig. 2. Peltephilus FEROX : Skull, top. Ameghino collection 



Fig. 3. Peltephilus pumilus : Skull, right side (No. i5,39r) 



Fig. 4. '' '' '' base (No. 15,391). 



5. '' '' '' top (No. 15,391)- 



6. Peltephilus grandis : Median posterior plate of head-shield. Ame- 

 ghino collection ..... 

 Part of head-shield (No. 15,390) 



Scutes of carapace (No. 15,390) 



Right ulna, lacking proximal epiphysis (No 



i5>39o) 



Right radius, front (No. 15,390) 

 Right manus, lacking digit V (No. 15,390) 

 Right femur, front (No. 15,390) 

 Right tibia and fibula, front (No. 15,390) 

 Left pes, dorsum (No. 15,390) . 

 All figures natural size. 



page 



Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 



7. Peltephilus strepens : 

 8. 



Fig. 10. 

 Fig. II. 

 Fig. 12. 

 Fig. 13- 

 Fig. 14. 



lOI 



103 



99 



89 



94 

 95 

 95 

 96 

 96 

 97 



(vol. v) 



