﻿PLATE IV. 



Pleistocene Canidje. 



Cranium and Mandible. 



Arctic Fox (Canis lagopus). 



(Natural size.) 



Fig. 



1. Dorsal "| 



2. Ventral [view of cranium. 



3. Lateral J 



4. Left mandibular ramus seen from the inner side. 



5. r I ne same seen from the outer side. 



These specimens are from the Pleistocene of the Ightham fissure, near Maid- 

 stone, and are preserved in the collection of Mr. W. J. Lewis Abbott, F.Gr.S., of 

 St. Leonard's-on-Sea. 



a. Maxilla. 



b. Nasal. 



c. Post-orbital process of frontal. 



d. Zygomatic process of squamosal. 



e. Jugal. 



/. Premaxilla. 



g. Condyle of mandible. 



