EXPLANATION OF PLATE I Left lateral aspect of skull of Stephanosaurus marginatus; one- fifth the natural size. Abbreviations.-D, lateral temporal fossa; DN, dentary; J, jugal; L, lachrymal; MX, maxilla; N, nasal; NO, nasal opening; OR, orbit; PD, predentary; PF, prefrontal; PM, premaxilla; Q, quadrate; QJ, quadrato-jugal; S, squamosal; SA, surangular. in On a new genus and species of carnivorous dinosaur from the Belly River Formation of Alberta, with a description of the skull of Stephanosaurus marginatus from the same horizon

EXPLANATION OF PLATE I Left lateral aspect of skull of Stephanosaurus marginatus; one- fifth the natural size. Abbreviations.-D, lateral temporal fossa; DN, dentary; J, jugal; L, lachrymal; MX, maxilla; N, nasal; NO, nasal opening; OR, orbit; PD, predentary; PF, prefrontal; PM, premaxilla; Q, quadrate; QJ, quadrato-jugal; S, squamosal; SA, surangular.