418 MR. R. W. HOOLEY ON THE [June I913, 



VI. Measurements in Millimetres. 



Breadth of the muzzle 25 mm. from the tip 40 



.Depth of the same at the same point 40 



Breadth of the skull at the centre of the upper border of the 



orbits 36 



Breadth of the skull at the posterior end of the maxillas 99 



Depth at the same point 83 



Breadth of the cranial roof between the supra-temporal pits ... 16 



Breadth of the skull between the centres of the squamosal bars. 90 



■Greatest breadth of the brain-capsule 58 



Depth of the supra-temporal pits from the cranial roof to the 



squamosal bar 35 



Depth of the occiput, summit to lowest outer angle of quadrate. 62 



Width of the occiput across the foramen magnum 73 



Commencement of anterior nares from the tip of the beak 95 



Breadth at the same point 9 



Breadth at 140mm. from the tip of the muzzle (line of fracture). 20 



Vertical diameter of the orbits 30 



Antero-posterior diameter 38 



Length of the infra-orbital vacuities 80 



Greatest breadth of the same 12 



Length of the infra-temporal vacuities 95 



Breadth of the same 17 



Distance of the quadrate articulation in front of the orbits 99 



Depth of the same below the dorsal outline of the beak 89 



Depth of the palate, below the dorsal outline of the beak, 51 mm. 



from the anterior border of the nares 28 



Height above the ventral edge of the mandibles when the jaws 



are closed, 51 mm. from the anterior border of the nares ... 26 



Length of the alveolar tract of the upper jaw 85 



Length of the alveolar tract of the lower jaw 94 



Length of the anterior teeth 8 



Greatest breadth of the same 4 



Length of the posterior teeth 7 



Greatest breadth of the same 7 



Length of the mandibular symphysis 70 



Length of the centrum of a cervical vertebra 53 



Width between the exterior borders of the prezygapophyses of 



the same 40 



Width between the exterior borders of the postzygapophyses of 



the same 48 



Length of the dorsal edge of the notarium 110 



Length of the ventral edge of the same 105 



Length of the centrum of the first dorsal vertebra 14 



Length of the scapula, from the glenoidal cavity 90 



Depth of the distal end of the same 23 



Pre-postaxial diameter of the scapula : humeral end 40 



Ditto: coracoid 33 



Length of the coracoid 113 



Antero-posterior diameter of the sternal end of the coracoid ... 27 



Ditto, centre of shaft 6 



Length of the humerus (proximal to distal condyle) 220 



Pre-postaxial diameter of the proximal end of the same 51 



Ditto, centre of shaft 22 



Ditto of the distal end 64 



Spiral curve of deltoid crest begins below the proximal articu- 

 lation of humerus 40 



Length of the same along its outer curve 75 



Depth of the same from the distal point to the shaft of the 



humerus 27 



