G36 MONOGEAPHS OF MOUTH AMEKICAN EODENTIA. 



Family SCIURID2E— Continued. 



Genua SpormopftiZiM— Continued. Pn^m. 



Spcrmophilus grammurus 826-838 



grammunxa 8'27-W.i 



beecheyi 829-829 



douglagsi 829-829 



empctra 839-848 



empetra 839-840 



kodiannsis . 840-840 



trythroghiUms 841-*4l 



richardsoni 848-860 



rUhardsoni 849-850 



toirusaidi 850-851 



mollis 860-862 



lereticaudw 863-864 



spiloaoma 864-866 



obsolctus 866-868 



mexicanua 868-871 



tridecemlineatus 871-881 



tridecemlineatus 872-873 



pallidas 873-874 



franklini 881-885 



annulatus 886-889 



Genus Cynomys 889-891 



Cynomys ludovicianus 892-902 



columbianus 902-909 



Genus Aretomys 909-911 



Arclomys monax 911-920 



flaviventer , 921-924 



pruinosus 924-929 



Extinct American Sciuiuo.e 929-909 



Sciurus calt/cin us 931-932 



panolius 932-932 



relictm 932-932 



Tamias laridens 932-932 



Arclomys retas 933-933 



I'aramys robust us 934-934 



delicatus 9:$4-934 



leptodus ... 934-934 



delicatior 934-935 



delicatisnimus 935-935 



Sciurarus nitidus 935-935 



undans 935-935 



parvidens 936-936 



f 936-936 



Jleliscomys retus 936-936 



Mysops f interims 907-937 



minutus 937-937 



' 'olonymys aeler 938-938 



Taxymys luca/ris „ 938-938 



Tillomys senex 938-939 



parrua 939-939 



