104 U. S. p. R. R. EXP. AND SURVEYS — 47TH PARALLEL. 



Specimens of tliis species were obtained at Steilacoom (7, 133), and at Vancouver. Two 

 white winter skins and one summer (140, 144, 142) of this, or a closely allied sjiecies, were 

 obtained from the latitude of 54° 40'. 



LEPUS CAMPESTRIS, Bach. 



Piairie Hare. 



Ltpus campestris. Bach. J. A. N. Sc Phila. VII, ii, 1837, 349.— Is. VIII, i, 1839, 80. 



Baird, Gen. Rep. Mammals, 1857, 585. 

 Le}>us townsendii, Bachmam, J. A. N. Sc. Phila. VIII, i, 90 ; pi. ii. 



AuD. & Bach. N. Am. Quad. I, 1849, 25 ; pi. iii. 



gp. Ch. — Larger tlian Lepus americanus. Ears about one-fiftli longer than the head. Pur soft and full, especially in winter. 

 Tail as long as the head. Hind feet considerably longer than the head ; somewhat longer tlian the ears. 



In summer, back, rump, sides oflimbs, external and internal bands of the ear, and Ihe throat, yellowish gray, varied more 

 or less with brown. Beneath, white. Tail entirely white, above and below ; in some specimens only with a faint wash of ash 

 above. Nape and interior eurface of ears white, except as stated ; the latter tipped with black. 



In winter, pure white all over, with a yellowish tinge. Ears white, tipped with brown ; the external and internal bands 

 rusty gray. Fur on the ears and elsewhere much longer and fuller than in summer. Fur on the upper part and sides pure 

 white on the basal half. 



Missouri river, at Fort Union. No. 29 was obtained on Burnt river, of Snake river, 0. T.^ 

 on its left bank^ one hundred miles north of Fort Boise. It was a male, killed October 5 ; 

 weight, 6^ pounds ; stretch, 38^ ; tip of snout to end of tail, 25J ; tibia, G ; femur, 5 ; heels 

 to end of toe, 5| ; from shoulder joint to tip of toes, 10. 



This species is supposed to turn white in winter. 



LEPUS CALIFORNICUS, Gray. 



Califoriiia Hare. 



Lepus californicus, Gray, Charlerw Mag. N. H. I, 1837, 58G, (named only in Pr. Zool. Soc. Lond. IV, 1836, 88.) 

 Add. & Bach. N. Am. Quad. Ill, 1853, 53 ; pi. cxii. 

 Baird, Gen. Rep. Mammals, 1857, 594 



Sp. Ch. Size large. Ears and hind feet much longer than the head, (the ears longest.) Tail as long as the head. Limbs 



elongated; not very densely furred. Fur rather soft. Upper parts light cinnamon and black. Sides of the body anteriorly, 

 chest and outer surfaces of limbs cinnamon, with a sliglit mixture of black. Under parts whitish cinnamon on the median 

 line darker externally and on the inner surfaces of the limbs. Tail dull cinnamon ; the upper part and a line running up a 

 short distance on the rump, black. Extremity of the dorsal surface of the ear, with the adjacent edges, black. Internal and 

 external bands, dusky ; rest of the dorsal surface of the ear, with the posterior edge, fulvous white ; rest of the external surface, 

 with the anterior fringe, pale cinn.imon. Under surface of the head lighter than the chest. Bases of the hairs and fur above, 

 grayish white ; below, white ; on the sides, light plumbeous. Nape, dusky grayish. 



Fort Jones, California, (70.) 



? LEPUS CALLOTIS, Wagler. 



Jackass Rabbit; Texas Hare; Black-tailed Hare. 



Leptis callolis, Wagler, Nat. Syst. Ampli. 1830, 25.— 1b. Isis, 1831, 511. 

 AuD. & Bach. N. Am. Quad. II, 1851,95; pi. Ixiii. 

 Baird, Gen. Rep. Mammals, 1857, 590. 



gp_ Ch. Rather smaller than the European hare. Ears very long and broad ; nearly one-third longer than the head and 



one-fifth longe- than the hind foot. Hair on the buttocks sliort and close. Color above, yellowish gray, blotched and lined 

 with black. Upper surface of tail and central line of rump, black ; tail beneath, grayish white. Sides of rump, clear ash 

 gray. Legs, ashy. Nape, black, (sometimes whitish?) Beneath, dull whiti;ih, with a yellowish brown color on the throat. 

 A light rincr round the eye. Tip of the posterior surface of the ear black. 



Boise river, Oregon Territory, September 27, 1854. — 27, 28. 



j^Q_ 27. — Male; September 27th. Dimensions. — Stretch, 2G^. Fore arm,3|; tibia, 5^; 

 femur, i^. Ear from plane of occiput, 5J. Heel to end of toes, 4J. From snout to tip of 

 tail, 22^. From shoulder joint to tip of fore foot, 8 inches. 



