ABSTRACT
This book is a continuation of the series of monographs on different orders of mammals. This volume is devoted to the description of the order Lagomorpha, which is represented by two extant familiesLeporidae and Ochotonidae. All descriptions of groups and species are given according to the scheme followed in the preceding volumes of the series. Pal
TABLE OF CONTENTS
chapter |152 pages
of maxillary bones with ethmoid structure. Nasal bones 6/5 FAMILY OF PIKAS FAMILIA OCHOTONIDAE THOMAS, 1897 = 26. The third* upper
posteriorly broadened. Supraorbital processes present. Upper anterior incisors without notch on cutting surface. Molars ................................................................................ Family Leporidae. Sizes small, smallest in the order. The body length varies from 120 to 280 mm; weight from 170 to 240 g. Externally pikas are similar to small rabbits, but with shorter limbs and small ears. The limbs are relatively short; the hind legs just slightly (not more than 20-25%) surpass the length of fore legs. The fore limbs have 5
