﻿PLATE I. 



Pleistocene Mustelidj;. 



■ Cranium and Mandible. 



Polecat (Mustela putorius), and Griant Polecat (Mustela robusta). 



(Natural size.) 



Mustela putorius. 

 Fig. 



1. Dorsal ]view of a ? Prehistoric cranium from Ightham, near Maidstone 



2. Ventral/ (Corner Coll.). 



3. Lateral view of a cranium from Brixham (Brit. Mus.). 



4. Palatal view of the corresponding mandible (Brit. Mus.). 



T [aspect of the same mandible, 

 o. Inner J 



Mustela robusta. 



7. Dorsal } . . . . _ . . ,,-.-, , T 



, view or a cranium from Iglitham, near Maidstone (Lewis Abbott 



8. Ventral \ 



9. Lateral] C ° 1L) - 



10. Palatal view of the corresponding mandible (Lewis Abbott Coll.). 



' ' [aspect of the same mandible. 



12. Inner J 



a. Occipital condyle 



b. Auditory bulla 



d. Post-orbital process of frontal [-Plates I to VI. 



e. Infra-orbital foramen 

 /. Mandibular condyle ; 



