PELONEUSTES PHILAECHUS. G9 



The mandible only wants two or three centimetres, and the coracoid and scapula are 

 singularly complete and fully ossified. 



Some dimensions (in centimetres) of this specimen are : — 



Skull : 



Transverse diameter of occipital condyle 4 - 



Vertical diameter of occipital condyle 3'5 



"Width of basioccipital at lateral processes 8 - 3 



Length of basioccipital 5*0 



Length of mandible (so far as preserved) 73 - 



,, symphysis (so far as preserved) 16-7 



Width of articular surface for quadrate .... (approx.) 6 - 



Length of postarticular process 6 - 5 



Coracoid : greatest length 55-0 



length from antero-internal to postero-esternal angle 52'7 

 width from postero-external angle of glenoid cavity 



to sympliysial surface (middle) 25-5 



length of scapular and glenoid surfaces together . . 15-7 



width on middle of postglenoid region 2S - 3 



Scapula: greatest length 26-9 



width from before backwards of the median expansion 



of ventral ramus 16 - 1 



width of middle of dorsal ramus ....... 5'0 



E. 2441 (Leeds Coll. 5). An imperfect skeleton of a small individual including a much broken and 

 incomplete skull, a fairly complete mandible, portions of the atlas and the centra of 

 nineteen other cervical vertebrse, twenty-eight dorsal and sixteen caudal centra, all 

 wanting their arches and ribs ; imperfect left scapula and coracoid, the ilia (text- 

 fig. 25, A) and pubes, the latter much broken. 



Some dimensions (in centimetres) of this specimen are : — 



Skull : 



Transverse diameter of occipital condyle 3"6 



Vertical diameter oE occipital condyle 3"1 



Width of basioccipital at lateral processes ....... 7"9 



Length of basioccipital 5-0 



"Width of articular surface of quadrate 5'5 



Mandible : 



Greatest length 65-5 



Length of symphysis 21-0 



Depth of ramus at coronoid angle 5-6 



Width of articular surface for quadrate 5'2 



Length of postarticular process 5 - 3 



Scapula : width of articular end 7 - 5 



„ middle of dorsal ramus 4'2 



Coracoid : width from outer angle of glenoid cavity to symphysial 



surface (approx.) 22-0 



