TABLE OF CONTENTS. 
Pages. 
CHARACTERS OF THE WAMILY, Hystricid@ . 2... 22-2. ...---2-22-2 s-s5-5 Sridsan aacnEpoenLsuceboes 385-386 
GENUS Erethizon 386-388 
388-389 
389-391 
391-392 
392-394 
394-394 
395-395 
396-396 
PISMOMSERCIMENS OF EH. dor e8atus Var. Epixanthus .... <= s0--0-+ octane asec eeeese cees-e eeses - 397-397 
IXTINCT SPECIES OF NORTH AMERICAN PORCUPINES ..----.. 397-398 
EAU CONICLOACUNUG tai cynic c= aoc ae tasers econ sisewor ESS SHES 5 398-398 
