SCIURIDiE— SCIURUS HUDSONIUS VAR. HUDSONIUS. 



687 



as the peculiar phases of intergradation occurring over considerable areas 

 where adjoining varieties presumably interblend. Not less important is the 

 large scries of the hudsonius type from Arctic America, which, under a 

 slightly modified phase, is found to range throughout the great northern inte- 

 rior of the continent and northwestward over the larger portion of Alaska to 

 Norton Sound. 



Table VI. — Measurements of thirty-four specimens of Sciukus hudsonius far. hudsonius." 



Locality. 



From tip of n096 to — 



Tail to end 

 of— 



Length of- 



Keraarke. 



144!) 



4431 



44. J u 

 44'JI 



834 



I07o 

 3807 

 3806 

 3729 



803 



603 



3536 



594 



92b 



3721 



37i6 



3723 



3735 



3719 



3725 



905 



3720 



1.102 



14'J 



3755 



3754 



3573 



867 



14J 



160 



2427 



2428 



2429 



843 



34 



389 



Nulato, Alaska. 

 Fort Simpson, 



H. 15. T. 



.. do 



G't Slave Lake, 



H. B. T. 

 Lake Winnipeg 

 Minneapolis, Min 

 Grand Meuan . 



..do 



Lake Richard 



son, Me. 

 ...do 



.do 



Gardiner, Me .. 

 Norway, Me ... 



...do 



Amherst, N. H 



...do 



...do 



...do 



...do , 



...do 



..do 



...do 



...do 



Coucord, Mass 

 Woburn, Mass 



...do 



Cambridge, Mass 

 Lynn, Mass.. . 

 Maiden, Mass .. 

 Springfield, Mas: 

 Carlisle, Pa 



...do 



Monticello, Miss 

 Elizabeth, N.Y 



0.77 

 1.05 



0.85 

 0.80 

 0.75 

 0.77 

 0.78 



0.77 

 0.73 

 0.79 

 0.80 

 0.85 

 0.80 

 0.75 

 0.82 

 0.85 

 0.85 

 0.77 

 0.78 

 0.75 

 0.77 

 0.83 

 0.82 

 0.83 

 0.85 

 0.75 

 0.77 



o.eo 



0.80 

 0.80 



o.eo 



1.55 



1.72 



1.43 

 1.55 

 1.40 

 1.50 



1.55 



1.55 

 1.43 

 1.50 

 1.45 

 1.50 

 1.48 

 1.45 

 1.50 

 1.57 

 1.40 

 1.42 

 1.42 

 1.50 

 1.42 

 1.44 

 1.47 

 1.50 

 1.60 

 1.4! 

 1.40 

 1.53 

 1.50 



1.50 

 1.50 



1.98 

 2.05 



2.05 

 2.00 



2.00 

 1.90 

 1.83 

 1.90 

 1.85 



1.85 



1.82 

 1.90 

 1.80 

 1.85 

 1.88 

 1.85 

 1.92 



l.ro 



1.98 



1.78 



l.ro 



1.90 



1.88 

 1.90 

 1.90 



l.ro 



2.01 

 1.90 

 1.93 

 1.90 

 2.00 



1.85 

 1.83 

 2. CO 



7.75 

 7.80 



7.eo 



7.65 



7.00 

 8.50 

 6.75 

 6.00 

 6.00 



6. CO 

 6.80 

 6.65 

 0.50 

 7.00 

 6.78 

 6.45 

 6.10 

 6.80 

 7.00 

 6.45 

 6.33 

 6.25 

 6.60 

 0.80 

 6.75 

 6. 75 

 7.25 

 6.60 

 6. 55 

 7.50 

 7.25 



7.00 

 6.25 

 7.25 



4.70 

 0.30 



4.90 

 4.70 



4.75 

 5.10 

 3.95 

 3.90 

 4.50 



4.00 

 4.40 

 4.50 

 3.6J 

 4.45 

 4.50 

 5.00 

 4.75 

 3.50 

 5.00 

 4.45 

 4.57 

 4.35 

 4.70 

 4.50 

 4.70 

 3.50 

 4.45 

 4.70 

 4.30 

 5.00 

 5.00 



5. 00 

 3.50 

 5.00 



0.80 

 7.30 



7.00 

 0.70 



5.40 

 7.00 

 5.75 

 5.30 

 5.40 



6.00 

 5.25 

 6.50 



5. 43 

 5.95 

 0.70 

 6.70 



6. CO 

 5.48 

 6.15 

 5.37 

 6.30 

 6.10 



1.17 

 1.35 



6.25 

 6.43 

 5.10 

 6.50 

 6.60 

 5.60 

 6.65 

 6.50 



6.25 

 4.25 

 6.75 



1. 15 

 1.17 

 1.03 

 1.12 

 1.15 



1.15 

 1. 13 

 1.15 

 1.08 

 1. 17 

 1.20 

 1.20 

 1.14 

 1.15 

 1.14 

 1.10 

 1.15 

 1.15 

 1.15 

 1.12 

 1.14 

 1. i.'0 

 1.25 

 1.23 

 1.18 

 1.18 

 1.20 



1.10 

 0.80 



1.93 

 1.80 



1.85 



0.52 

 0.68 



0.70 



Fresh . 

 ...do. 



do . 

 .do. 



1.80 

 1.80 

 1.65 

 1.70 

 1.80 



1.75 

 1.65 

 1.75 

 1.20 

 1.65 

 1.75 

 1.88 

 1.87 

 1.78 

 1.78 

 1.70 

 1.82 

 1.83 

 1.86 

 1.82 

 1.80 

 1.82 

 1.87 

 1.75 

 1.77 

 1.82 

 1.80 



1.75 

 1.30 



0.55 

 0.57 

 0.52 

 0.54 

 0.57 



0.50 

 0.50 

 0.48 

 0.50 

 0.63 

 0.65 

 0.53 

 0.65 

 0.60 

 0.C0 

 0.55 

 0.65 

 0.60 

 0.50 

 0.62 

 0.60 

 0.63 

 0.60 

 0.60 

 0.55 

 0.67 



Alcoholic 

 ...do .... 

 ...do .... 

 .. do .... 



....do.... 



..do . 



...do. 



...do. 



...do. 



...do. 



...do . 



..do . 



...do . 



...do . 



...do . 



...do. 



..do. 



...do. 



...do. 



..do . 



..do. 



...do. 



...do . 



...do 



...do . 



...do . 



...do. 



Collector's meas- 

 urements. 



do. 



do. 



...do. 

 ...do . 

 Fresh. 



From B a i r d ' 

 Ma mm. N.Am 

 p. 270 



do. 



do. 



Collector's meas- 

 urements. 



* All fully adult specimens; tho females in nearly every case give evidence of having suckled young. The first 

 four are from tha Nalionnl Museum; the ethers are from the Muteum of Comparative Zoology, C.'.mbrid^e. Mass. 



