446 



TROF. "W. H. FLOWER ON THK CRANIAL AND [Ma)' 1G 



Fig. 3. 



^ 



rv 



Under surface of hinder part of the skull of Rhinoceros unicornis. One third 



natural size. 



pt, pterygoid processes ; vo, hinder end of vomer ; c 1 , crista or anterior combiug- 



plate; c-, crochet or posterior combing-plate ; a, accessory valley. 



