898 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
Taste CXXVIL—WMeaswrements of thirty-one specimens of CYNOMYS LUDOVICIANUS.* 
- a 
3 = From tip cf nose to— Tail! to\end Length of— B 
| & of— gS 
Bale i a 
B 5 Locality. 3 = ES ey Remarks. 
A = ro] B S s 2 
tod Ga 3) reall gresieg teeta Se 2 
Ew lf ay Sil hech Alar seilessee| eee lt ashe Po ieep ep ll we 
S| 6 ear Pa= a cee ees Iie ete, pe 
Near mouth of Milk River.| ¢ | 1.25 | 2.25 | 2.75 | 12.75 | 3.25 | 4.25 | 1.60 | 2.40 | Fresh. 
Yellowstone River, Mont .. | ? | 1.13 | 2.38] 2.90} 11.00 | 2.63 | 2.38] .....| 2.25 |..do ) 
Q | 1.25 | 2.63] 3.25 | 13.00 | 3.00 | 3.88 | 2.00 | 2.25] do. | 
fo | 1.134 1.49] 275 | 11.00 | 2.75 | 3.75 | 2.00 | 2.25 }..do - 
1.49 | 3.00.) 3.50 | 13.25 | 3.63 | 4.00 | 2.13 | 2.38 |..do - | 
Q | 1.25 | 2.50] 3.50] 13.00 | 4.00 | 5.00 | 2.00 | 2.38 |..do- 
---| 1.25 | 2.50 | 3.50 | 12.50 | 4.00 | 4.75 | 2.00 | 2.25 |..do. 
S| 1.13 | 2.25 | 5.25 | 12.50 | 3.25 | 4.25 | 1.75 | 225 |..do- 1! prom Baird, 
-- | 1.13 | 2.25 | 3.25] 12.00 | 3.00 | 4.€0} 1.75 | 2.13 |.-do - Mam. N. 
-«-| 1.13 | 9.25°] 3.25 | *12.25 | 3.13 | 4.13 | 1.75 | 2.13 |..do - ° Amer. p. 
= 1.13 | 2.25 | 3.25 | 12.25 | 3.13 | 4.13) 1.75 | 2.00 |..do. 334. 
--.| 1.13) 2.25 | 3.25} 11.25.) 3.00 | 3.90 | 1.50) 2.25 |.-do- 
--.| 1.25 | 2.50 | 3.25 | 13.00 | 3.25 | 4.25 | 1.75 | 2.25 |.-do - | 
---| 1.13 | 225 |3 25] 12.00 | 3.25 | 4.00 | 2.00 | 2.25 |..do. | 
OF feel eeecets 3€0) 11.09] 3.00 | 3.75 | .-..-).--.. nados 
Ginlteseailess—- 4.00 } 11.50 | 3.25 | 4.50 | 1.65 | 2.40 can | 
oh ee Necece QAI) WL OO 295 || 35 25))|-2 22S See ..do. 
of | 1.42 | 2.35] 2.75 | 11.40 | 4.00 | 5.10 | 1.85 | 2.45 |2.do z-. 
J | 1.48 | 2:50 | 2.82) 12.20 | 3.05 [3.80 | 1.95 | 2.45 |..do.-- 
od | 1.35 | 235 | 2.80 | 11.75 | 3.25 | 4.00 | 1.55 | 2.45 |..do --. 
9 | 1.35 | 240 | 2.70} 11.75 | 3.10} 4.00 | 1.60 | 2.40 |..do.-- 
2752 | 1073 | Garden of the Gods, Colo.-.|....| 1.30 | 2.43 | 2.72 | 10.55 | 3.30 | 3.45 | 1.45 | 2 28 |..do --- 
2719 | 417) Fort Hays, Kans.........-. -- | L417 | 2.05 | 2.30 7.75 | 2.00 | 2.55 | 1.62 | 1.96 |..do .-- 
2720 gf | 1.50} 2.401265) 11.75 | 265 | 3.65 | 1.70 | 2.25 |..do 
2721 911.45 | 245] 255 | 12.25 | 2.90 | 3.75 | 1.83 | 227 )..do.. 
222 Jo | 1.50 | 2.40] 2.65 | 12.40 | 2.00 | 3.60} 1.80 | 2.30 |..do .-- 
2723 Q | 1.23 | 2.20 }240] 10.80 | 2 60 | 3.70 | 1.70 | 2.25 |..do .-.-. 
Q724 | of | 1.50 | 225]2.60) 11.25 | 3.55 | 4.35 | 1.85 | 2.25 |..do... 
2725 O | 1.30 | 2.00 | 2.35 9.00 | 2.75 | 3.35 | 1.60 | 2.07 ]..do ... 
2726 © | 1.23 | 2 20 | 2.35 9.40 | 2.30 | 3, 10 | 1.65 | 2.20 |..do.-.. 
* Measurements all taken by collectors in the field from fresh specimens. 
