MtTEiENOSArEUS LEEDSI. 123 



Vertebra: Cervicals... ^"'^^'^"'^ '^^'l'^ ^'ft^^, ^^"'^ ^■'■'^.™''^ Twentieth ^wenty- p^^^^^. p^^^^_^ 

 axi3. cervical. cerTical. cervical, cervical. cervical. . , cervical, cervical. 



Length of centrum in 



mid-ventral line . ()-l 3-1 4-0 4-6 5-5 6-0 6-1 5-7 5-7 



Posterior width of 



centrum .... 3-6 4-0 4-0 4-8 ? 5-8 57 7-7 8-3 



Posterior height of 



centrum .... 2-7 2-9 3-2 3-7 ? 5'0 5-2 6-0 6-1 



Height to top of 



neural spine. . . 5-8(app.) 6-9 8-1 9-7 12-2(app.) ? ? ? 17-8 



The total length of the neck was about 241 cm. (about 8 ft.). The dorsal vertebrse 

 are too much crushed for measurement, but the dimensions of an anterior and middle 

 caudal centrum are : — Length on mid-ventral line 3"4, 3'5 ; posterior width of centrum 

 7*4, 6'6; posterior height of centrum 4'7, 4'3. 



Shoulder-girdle : width at hinder end of glenoid cavity 



(exaggerated by crushing) 43'0 



long diameter of coraco-scapular foramen . 13'7 



Humerus : greatest length 33'2 



width of shaft (widened by crushing) ..... S'3 



„ distal end (ditto) 19'0 



Pelvis. — Ilium : length 19-5 



width of upper end 5-2 



„ lower end 7'1 



Ischium : width of upper end (crushed) 9-3 



„ neck 7"3 



Femur : length 30*4 



width of shaft 6-3 



„ distal expansion 15'8 



E. 2423 (Leeds Coll. 22). Incomplete skull and skeleton, the bones being much crushed and 

 distorted. The following parts are preserved : — Basioccipital, basisphenoid, supra- 

 occipital, part of squamosal, the articular portions of the mandible, atlas, axis, and 

 about forty other cervical vertebrse wanting ribs and arches, nineteen dorsals and 

 nineteen caudals, crushed neural arches, fragments of scapulae and ischium, humeri, 

 femora, epipodials, and other bones of paddles. 



Length of the basioccipital 3'5 



Width of occipital condyle from side to side 2'5 



,, basioccipital at lateral processes . 4-5 



Length of united basioccipital and basisphenoid 6*9 



„ axis and atlas 5*3 



The other vertebrse are too much distorted to give measurements of any value. The 

 centra of the posterior cervicals appear to have been rather shorter than in the type 

 specimen. 



k2 



