TABLE OF CONTENTS. 



Pages. 



MURID^E 1-264 



MURIN.E (SlGMODOKTES) 6-130 



Neotoma 7-31 



Neotorua floridana 14-19 



fuscipes 19-22 



ferruginea 22-24 



cinerea 24-29 



magister 29-31 



Sigmodon 31-43 



Sigmodon hispidus 36-43 



Hesperomys 43-1 17 



( Vesper imus) 45-105 



Hesperomys (Vesperimus) leucopus 50-75 



gossy "piiius 76-78 



sonoriensis 79-88 



eremicus 88-91 



anreolus 91-93 



micbiganensis 94-97 



californieus 98-100 



aztecus 100-102 



melanophrys 102-105 



(Onychomys) . 105-111 



Hesperomys (Onychomys) leucogaster 108-10f 



torridus 109-111 



(Oryzomys) 111-117 



Hesperomys (Oryzomys) palustris 113-117 



IReithrodon] 118-119 



[Reithrodon cuniculoides, R. typicus, R. (Euneomys) chincbilloides] 119-119 



Ochetodon 120-130 



Ochetodon humilis 123-126 



longicauda 126-128 



mexicanus 128-130 



? montamis 130-130 



AKVICULINJ3 131-255 



Erotomys 131-149 



Evotomys rutilus 136-142 



gapperi 142-149 



Arvicola 149-227 



(Myonomes) 153-156 



Arvicola (Myonomes) riparius 156-185 



* ?borealis 196-197 



townsendi 165-189 



xanthognathus 197-203 



?ricbardsoni 204-206 



VII 



