GLOSSARY 



187 



obsolete, 

 opposable. 



palearctic. 



palmate (of 



antlers). 

 pedicel, 

 pelage, 

 physiography. 



physiology, 

 plantigrade. 



Pleistocene. 



prehensile. 



premolar 

 teeth. 



primitive. 



proboscis. 



protrusible. 



relicts. 



sacculated. 



No longer used ; no longer present. 



Of the thumb, first toe, or other fingers and 

 toes. The ability to act like a man's thumb 

 in grasping. 



Pertaining to a region of the world including 

 Europe, Asia north of the Himalayas, 

 northern Arabia, and Africa north of the 

 Sahara. 



Broad, resembling the spread-out hand of a 

 man, the points extending like fingers. 



A supporting part, as a stem or stalk. 



The coat of hair or fur covering a mammal. 



Description of the form and physical features 

 of the surface of the earth. 



The life processes of an animal. 



Walking on the sole with the heel touching the 

 ground; in opposition to digitigrade, walk- 

 ing on the toes like dogs and cats. 



The most recent past geological period, dur- 

 ing which large ice-caps were developed in 

 Europe and North America ; between the 

 Pliocene and present, roughly from ten 

 thousand to a million years ago. 



Adapted for grasping. Applied to hands, feet, 

 and tails of mammals. 



Chewing teeth between canines and molars, 

 usually less broad than the latter ; preceded 

 by deciduous teeth. 



Pertaining to the beginning or origin, like 

 mammals whose structure approximates 

 that of ancestral mammals. 



A long, flexible nose or trunk. 



Capable of being protruded or thrust out. 



Survivors. In zoology, often used for species 

 which have persisted for long periods after 

 their allies have become extinct. 



Having a series of sac-like expansions. 



