122-f 



THE EXTINCT I! ATRAC III A, EEPTILIA 



Width articular face, 



" lateral heurapophysial foramen, 

 Elevation neural arch at middle, 

 " " " and spine, 



Length proximal caudal, 

 Depth articular face do., 

 Width neural canal, 



" chevron bone, 

 Length " " 



Width extremity of lumbar vertebrae, 



The femur has but little curvature; its narrow external outline is rather convex proximally. 



Length of proximal extremity, 

 Width " " 



Diameter shaft below 3d trochanter, 

 Transverse width condyles, 

 A ntero-posterior width of outer, 

 " " " inner, 



" " " at popliteal groove, 



" " " head of tibia, 



Transverse " " 



Diameter head of fibula, 

 " condyle, 



" cuboid (antero-posterior), 

 " head external metatarsus (long), 

 " median 

 Length external metatarsus. 

 Diameter condyle (antero-posterior), 

 Width of proximal phalange at middle digit, 



" " iuner digit, 

 Length " " " 



Diameter extremity of ulna, 



" " " radius, 



Length outer metacarpus, 

 " third " 



" second " 



" first 

 " proximal phalange of D. I, 



" D. II, 

 " ungueal phalange D. I, 

 Depth " " [iroximally, 



Linen. 

 0.0 

 6.8 

 8.8 



14. 



18.8 



12.2 

 8.2 

 !! 



10 

 8. 



1!) 



9 

 10 

 I8.fi 

 10.2 

 12.2 



8.0 

 22.8 

 11,5 



8 



8.0 



7 



!) 



0.8 



88. 8 

 8.8 



7.0 

 4. 

 14. 

 8.8 

 (i.;s 

 5.:i 



11.8 

 18 



10.7 

 8.2 

 6,8 



10 



8 



f 



Means of estimating the total length of this species are not very complete. Its not remote affinity to Compsog- 

 nathus suggests that the neck could not have been short, though the generally more robust proportions than in 0. 

 longipes, would point, to a shorter cervical series than in that genus. It will be safe to put the length at between four 

 and live feet. 



The remains here described were alluded to by Prof. R. Owen, as those of a Saurian 

 pointing to the Pterodactyles or Birds, providing the cavities of the bones were filled by 



