416 J. B. Hatcher — Tivo New Ceratopsia. 



Expanse of frontal region at anterior border of orbits 357 mm 



Greatest diameter of orbit _ 168 * 



Least " " " 120 



Fore and aft diameter of lateral temporal fossa . _ 105 



Vertical " " " " " 85 



Distance from posterior border of orbit to posterior border 



of frill 840 



Thickness of postfrontal behind orbit 130 



Least antero-posterior diameter of horn core immediately 



above orbit ._ _._ 175 



Antero-posterior diameter of horn core, six inches above 



orbit _ 117 



Transverse diameter of horn core immediately above orbit 140 



Transverse diameter of horn core, six inches above orbit 97 



Greatest length of squamosal 870 



" breadth of " _. 433 



Length of parietals along median line 712 



Distance between squamosal sutures at posterior border 



of frill ._ 874 



Distance between squamosal sutures at junction with post- 



f rontals 330 



Distance from anterior border of orbit to posterior border 



of nasal opening 228 



Distance between orbit and lateral temporal foramen __ . 142 



Distance between lateral and supra-temporal foramina 285 



Distance from lateral temporal foramen to posterior border 



of squamosal *_. . 705 



Distance from occipital condyle to posterior margin of 



crest . _ 650 



Distance from occipital condyle to interior border of ros- 

 tral . _" _ 975 



Distance from posterior border of anterior nares to ante- 

 rior border of rostral _ 525 



Distance from postfrontal foramen to extremity Of nasal 



horn 750 



Greatest expanse of exoccipital processes _ 550 



Distance from inferior border of orbit to bottom of jugal 343 



Diameter of occipital condyle 88 



Distance from rn.id-frontal region to apex of supraorbital 



horn _ 500 



Length of splenial - 503 



" " predentary _ _ _ . _ 255 



Greatest breadth of predentary _ 142 



Combined length of dentary and predentary . _ 681 



" " " " ' " articular. 620 



Total length of presacral vertebral series 2290 



" " " dorsal series ._ 1490 



