5-'> 



250 



MONOGltAPUS OF NORTH AMERICAN KODENTIA. 



appear to call for coininciit, as the diflcrences arc parallel with those demon- 

 stnileil for several species in other parts of this memoir. 



Taiii.k L\l.—3fe<uuremenla of »ixly-righl (and Hut of other) ipecimait of CUNICULUS torquatus. 



4jri4 



IHC'i 

 •IJOJ 



inri 



4J03 

 7753 



77.-iO 



!0:i9 

 8;ioo 



I£I6I 

 KIN 

 8363 

 8304 



8380 

 8!MJ 

 040:1 

 0431 



8704 



8033 

 8092 



mm 



0331 

 0331 



1193) 

 8086 

 8087 

 808.i 

 80.^0 

 80.1(1 

 tOa 

 112J1 



iia.'j 



7110 

 7117 



8131 



Locality. 



Novi^ii SnmUa . 



Arctic Aiuorica 



noiHHlalo, Labrador. . 

 l'\irt(;li>ir.:linl,U.U . 



do 



do 



*> 



do 



do 



do 



do 



do 



do 



do 



do 



do 



Nuhto, Alaska 



WiKillyaatux, Alaska 



Fori Yukon 



Arctic America 



Vukoii, moulli of Por- 



ctipino River. 



do 



do 



IbOck.v MouDtains, near 



Poiil's Klvcr. 

 MonntainH 300 miles 



ab3ve Yukon. 



do 



Mmitli of Maokenzie'H 



Kivor. 



do 



Arctic Coast 



do 



do 



do 



di> 



do 



rtoi. 



do! 



Apdursou .Ulvcr. 



do 



Tlatroii Grotmils. 

 do 



CoUoctor, 



Museum 8t. Foters- 



liurg.t 

 Alfrml Newton t... 



Vf. Mactavisli 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



...do 



W. H.Dall 



...do 



W. W.Klrkby 



...do 



J. Slbblston 



J. Lookbnrt — 



...do 



.. do 



...do.; 



It. Konnioott... 

 ...do , 



...do 



R. McFarlane.. 



...do 



...do 



...do , 



...do 



...do. 

 ...do. 

 ...do. 

 ...do . 

 ...do . 

 ...do. 

 ...do. 



0.00 

 0.50 

 O.SO 

 0.55 

 0.05 

 0.00 

 0.50 

 0.02 

 0..'i8 

 0.58 

 0.57 

 0.00 



I. SO 



9.00 

 00 

 1.25 

 1.10 

 1.08 

 1.05 

 1.05 

 0.90 

 1.03 

 1.10 



0.53 

 0.5: 



.■>, 00 0. 35 

 4. 7,-] 0.35 

 1. 40 0. 30 

 4.230.45 

 4. 50,0. 40 

 .3.8.V0.30 

 1. 730. 45 



Tail to 

 end of— 



0.50 

 0.41' 



.•1.85:0.40 

 4. 10 0. M 

 1.00 0.40 

 1.00 0.30 

 1. 75 a 23 

 1. 50 0. 40 



'\0O0.40 



4.00 

 3.25 

 J. 00 



00 0.30 

 50O50 

 73!o.33 



7.-,;o., 



35 0. 40 

 23 a 30 

 730. 40 

 73 



.5r0.40 

 500. 4:1 

 75 . 

 330. 2r 

 Cll n. 40 



0.63 



0.73 



95 O SO 



00 0. SO 



65 0.4' 



00 0. 71 



9010. 4: 



7o|o. 65 



00 0. 63 



0. 0:1 



0.03 



0. OS 



OOi 



0.6,: 



0.40 



0.50 



0.50 



0.00 

 00 



0.91; 



0.70 

 0.00 



1.6: 

 j.eo 



0.7; 

 .00 



0.60 

 1.00 



Btioiarks, 



Summer ; dry. 



0.80 

 3.08 

 0.«e 

 0.07 

 0.65 

 0.75 

 0.7J 

 0.80 

 0.73 

 0.811 

 0.7S 

 0.78 

 0.77 

 3.73 



u.se 

 n.oj 

 0.63 



so 0. 62 

 52 0. rui 

 4.' 0. CO 



rc 0. 70 



0.68 

 1.68 

 0.75 

 58 

 0.68 

 0.65 



do. 

 Orayish.wblto. 



un) wbitu ; cluw 0. 15. 

 Summor, 



do. 



.*.tcobolie ; summer. 

 Ale. ; Fob. 3. 1859 1 nearly wblte. 

 Alcobollc ; July, 18.30. 

 Alcoholic ; winter ; wbito. 



do. 



do. 



do. 



Alcobollc ; winter 1 ; nearly white, 



Alcobolio ; winter I ; partly wblto. 



AlcolioUo ; summer. 



.Summer. 



Summer ; still wbitish. 



Wbit«, with gray stripes. 



White, 



Summor; perfect pelage, 



June I still rusty-white. 

 June; yonn]{, 

 July ; young. 



September; a littlo whitened. 



October; pare white. 

 1; whitening. 



Almost pure white. 

 Summer ; normal pelage. 



T ; much whitened. 



Summer ; normal polago. 

 Winter ; nearly whlto. 

 Chnn;;lng pelage. 

 Normal summer. pelage. 

 Winter; perfectly whlto. 

 Will.; exactly like Audubon's pi. 

 Winter ; nearly pure white. 

 Wiutor ; perfectly snow-wbito. 

 (f ; Juno 30 ; perfect pelage. 

 9 : Juno 26 ; perfect pelage. 



* From wrist to end of longest claw. 



t Uccclved I'rom ; No. 4.384, cillpctud by If. 71. M. S. Enlorprlso. 



I LockbHrt says : " tJlu>ek'i»oucheM tilled with biwIs." 



i Found in the nest of an ^rcAiliulw (Ifri'arlansJ, 



