56 NORTH AMERICAN FAUNA. [No. 37. 



Cranial measurements of the Marmota flaviventris group — Continued. 



No. 



Species and locality. 



Sex. 



Condylo-basal length. 



1 Palatal length. j 



Postpalatal length. |j 



j Length of nasals. 



Zygomatic breadth. I 



Breadth across mas- | 

 toids. 1 



Least inter-orbital 1 

 breadth. | 



Breadth of rostrum. 1 



Maxillary tooth row. jj 



Remarks. 





Marmota flaviventris parvula. 

























93689 



Arc Dome, Toyabe Range, Nev. . 





73 



41 



28 6 



30.5 



48 6 



34.3 



15.5 



17 2 



17.7 



Adult. 



93690 



Jefferson, Toquima Range, Nev. 



? 



71.3 



39.4 



27' 



29! 4 



49' 



^i.2 



15! 6 



17^4 



18! 6 



Adult; type. 





Ma. aTTfiota jtavivcntTis enQeLnaTdti. 



























T> ■»«■+• TT+ V, 



[??] 



80 



46.1 



30.7 



34.6 



54 



37.5 



17 



17.8 



19 



Adult. 



lOoy / o 





78.4 



44.8 



30.2 



33 



52.3 



36 5 



16.3 



18 



19 



Do. 



XOoOVU 



Parawan Mountains, Utah . .... 



$ 



76.8 



43.5 



29.5 



31 



52^8 



37! 7 



is" 



18 



18.8 



Tin 



IJO. 





Marmota flaviventris nosophora. 

























168493 





c? 



86.7 



47.7 



34.2 



35.1 



55.7 



41.3 



17.8 



19.5 



20.1 



Young adult. 



156924 



Sawtooth National Forest, Idaho 



e 



90 



50.3 



35.5 



38.5 



59.5 



43.1 



19 



19.6 



19.5 



Adult. 



191363 



Conant Creek, Idaho 





92.2 



52.5 



35.2 



39.1 



57.3 



42 



21 



20.5 



20.8 



Young adult. 



66709 





c? 



94.2 



53 



37.2 



40.4 



63.7 



45 



22.2 



20 



20.4 



Aauii. 



168473 







83.8 



46.2 



33.5 



34.8 



54.5 



41.6 



19.5 



19.3 



20.2 



Tin 



168472 



.... .do. 





78 2 



42.5 



31 8 



30.8 



54 



37 6 



19 2 



18 7 



20.3 



Tin 









79 



45! 5 



30' 



32^8 



53.2 



40* 



19^7 



17' 



19." 8 



Adult; type. 





Marmota flaviventris dacota. 

























186474 



Custer, S. Dak 



<? 



89.4 



50.8 



35 



38 



59.5 



43 



21.8 



22 



21.5 



Subadul t; 



65920 



Bear Lodge Mountains, "Wyo .... 





95.7 



52.2 



38.2 



41.1 



61.3 



44.7 



23.2 



23.3 



21.7 



type. 









90.5 



51 



36 2 



38 4 



61.7 



41.8 



18 2 



20 5 



20 9 



Tin 

 UO. 



1Q1QAS 







83.5 



47.6 



3L8 



34! 1 



56." 7 



40!6 



20! 7 



20" 



20! 1 



Tin 

 UO. 



iyioDo 





9 



81.8 



45.4 



32.5 



31.5 



55.3 



39.5 



20 



20.5 



20.3 



Tin 

 UO. 



iboo54 





$ 



84.5 



47.7 



33 



35 



55.7 



40.7 



19.6 



20.4 



20.5 



Tin 

 UO. 





Marmota flaviventris luteola. 

























186520 



Medicine Bow Mountains, Wyo. 





87 



48.4 



33. 5 



36 



55.7 



40. 6 



17.3 



19 



21. 4 



Subadult 

























type. 







c? 



87.8 



49.5 



35.5 



37.3 



60 



43.4 



20.2 



19,6 



19.9 



A rlnlt 



AauiL. 



1 175 



Mount Lincoln^ Colo 





92.5 



51.1 



36.5 



41 



59.4 



43 



21.8 



20.8 



21 



Old. 



2 2279 



Steamboat Sprmgs, Colo 



85 



47.6 



33.3 



34 



54.9 



40.5 



17.4 



17.7 



21.4 



Adult. 



2 3998 



Lake John, Colo. . , 



[|?] 



81.3 



45.3 



31.7 



33 



54 



39 



16.4 



17.7 



19.3 



Do. 



139082 







78.3 



43.7 



30 



34 



52.3 



38.5 



16.5 



17.3 



19.5 



Do. 





Marmota flaviventris watreni. 































89.3 



49.3 



36.1 



39.2 



59 



44.7 



21.2 



20.3 



16.7 



Adult; type. 



2 134 



do 





83.3 



47.4 



36.9 



36.8 



57 



42.9 



19 



19.9 



14.9 



Adult. 



2 2512 



Mud Springs, Colo 





85.1 



47 



33.6 



38.2 



57 



43.4 



20.3 



18.7 



20.5 



Do. 





Marmota flaviventris obscura. 

























135504 







90.8 



52.7 



34 



38.4 



60.4 



41.7 



21 



23.3 



19 



Adult. 



133506 



do 





88.3 



49.4 



35.2 



36.4 



60.2 



41.5 



21.1 



21.9 



19.8 



Do. 



128750 



Pecos Baldy, N. Mex 





89.5 



50.3 



35 



39 



59.4 



43.8 



20.4 



22.4 



21 



Do. 



133505 



Wheeler Peak, N. Mex 





84.5 



48.4 



31.9 



35.4 



59.4 



41 



20.5 



22.3 



20 



Do. 



133507 



do 





88.1 



49.3 



35.7 



38.2 



60.6 



43.3 



22.3 



22.3 



20 



Do. 



1 Collection Mus. Comp. Zool. 2 Collection E. R. Warren, Colorado Springs, Colo. 



Marmota caligata Group. 



The caligata group includes three species : M. caligata, M, olympus, 

 and M. Vancouver ensis. 



External characters. — Size large ;^ tail long (about 27 to 33 per cent 

 of total length) ; ears relatively small (actually smaller than those of 



1 Weight of 6 specimens as follows: 9 lbs. (2 9 , cascadensis); 11 lbs. ( , cascadensis); 11^ lbs. ( 9 , olympus); 

 15J lbs. {t^joxytona); 17 lbs. (old 9 , cascadensis). 



