﻿HY^NA CROCUTA. 



15 



(3) Tables op Comparative Measurements op Hy^jna Vertebra. 





H. croeuta, 



No. 522 (College of 



Surgeons;. 



71. fprhra = croeuta, 

 Wookey (Taunton 

 Museum), skeleton a. 



H. spelasa = croeuta, 



Wookoy (Tauntou 

 Museumi, skeleton b. 



Atlas. 



12-9 

 39 



26 



7-0 

 3-4 



4-9 

 5-15 



5-7 



15-1 

 4-1 



6-3 



2-8 



7-3i 

 37 

 52 

 5-35 



73 



146 

 3-9 



G 15 

 2-55 



3 - 55 

 4-8 

 5-5 



635 





Extreme width of the condylar articular 

 surfaces 



Axis. 



Length from anterior end of odontoid 

 process to postero-ventral extremity 



Height from roof of neural canal to top 

 of neural spine 



Transverse diameter across prezygapo- 

 physes 



Transverse diameter across postzygapo- 



Length from anterior end of neural 

 spine to notch between postzygapo- 

 physes 



Figured. 





3rd cervical. 



4th cervical. 



5th cervical. 



o 



£Sg> 



s o 

 | ~§ < 



II Eh a 



s =s If 



ii u| 



| ^| 



go § 



11 S| 



IIEH | 



a" so jj 



5 o o 

 go » 



'A 



1 S?I 

 °° o 



S a B 



Maximum length of centrum 

 . taken from the dorso-anterior 

 to the ventro -posterior edge 



Length from antero-dorsal to 

 postero-dorsal extremity of 

 the centrum 



Width across transverse pro- 



48 

 32 



5-8 

 24 



4-65 > 



3-35 



84 

 6-8 



5-0 



3-35 



1-2 

 6-0 



2-6 



4-95 



3-55 



8-G5 

 5-6 



1-95 



5-0 



36 



7-8 

 6-85 



54 



365 



7-4 

 5-95 



2-6 



4-9 



3-5 



7-45 

 5-65 



2-55 



54 



33 



7-9 

 6-75 



245 



4-95 



3-0 



7-7 

 61 



2-4 



Width across postzygapophyses 



Height from roof of neural 

 canal to top of neural spine 



1 Figured. 



Note. — The letter a or b appsaring after a bone indicates that it forms part of skeleton A or skeleton 



described on p. 6. 



