120 maeine eeptiles or THE oxfoed clay. 



Skull : width of temporal fossre 8-2 



„ frontals between orbits ........ 4 - 2 



„ snout opposite the anterior border of the 



orbits 12-5 



,, snout at anterior angle of nasals 5*9 



width behind premaxillary expansion 3-8 



width of premaxillary expansion 4 - 7 



Mandible: total length 96-0 



length of symphysial portion 50"8 



width at hinder end of symphysis 8 - 7 



,, narrowest point behind anterior expansion 3 - 2 



Vertebra; 



Length of centrum in 



axis. 



cervical. 



cervical. 



cervical. 



dorsal. 



dorsal. 



dorsal. 



caudal. 



caudal. 



caudate. 



mid-ventral line . . 



8-2 



5-3 



5-2 



5-3 



5-3 



53 



5-5 



4-9 



4-9 



4-2 8-3 



Width of posterior face 



























3-4 



3-6 





3-8 



3-8 



4-0 



3-5 



2-8 



2-4 1 2 



Height of posterior face 























of centrum .... 



3-5 



3-9 



3-7 



4-1 



4-0 





3-6 



3-6 



2-8 



2-2 1-7 



] Teight to top of neural 

























6-4 



8-7 



8-9 



8-9 



8-7 



8-8 



8-1 



8-5 



7-8 



7-0 4-0 app. 



Shoulder-girdle : 



Scapula (text-fig. 41, B) : length 10-2 



width at articular end 2-8 



width of shaft at narrowest point 1*4 



„ upper end 2-2 



Coracoid (text-fig. 41, B) : length 10-0 



width of articular end 5-3 



„ shaft at narrowest 1-3 



„ lower end 5 - 



Fore limb : 



Humerus: length 13-0 



width of proximal expansion (exaggerated by 



crushing) 5-2 



width of distal articulation 2*1 



Ulna: length 8-9 



width of upper end 3*7 



„ lower end 1*8 



Badius : length 6-7 



Pelvis (text-figs. 43, 44): 



Ilium : length of dorsal border 9*4 



height from acetabular edge to dorsal border . . . 6-9 

 length from anteroinferior to postero-superior 



angle 11-5 



Ischium : length of sympbysial border 12-2 



width from articular end to posterior angle . . . 12-9 



