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912 



MONOGRAPHS OF NORTH AMERICAN RODBNTIA. 



Miu (Arvlomyii) wonax Ham.. Can. Nat. nnil Geol. 18C0, 303. 



Gli8 caiiailciiaiii UitM.KiiK.v, Synt. Aniiii. 17*7, 363 (in pnit only; =Qnebeo Marmot, Pennant -fQnebeo 



Miirniot, Kumtur). 

 Miu empetra l'.\UJ^», Nuv. 8|iuc. Glires, 1T78, 74 ^ = Arclonlj|» parrjii Ricbard8on, czceptiuK irferonee to 



Pennant's Qiiukvo Murniot).— BoDD^EitT. " Elenrb. Anim, i, 1784, 106." 

 Arctomyi empeira S.vniNE, Trans. Iiinn. Sue. xiii, \8i'i, &K4 (ibe ileHcriptlon uuly ; not the »yDonyiuy ; nut 



Mat empcira Pullus, nor tbo Arclomyi empetra Scbreber, Omelin, and previons antUoni Henoi- 

 - ' ally); T rraukliu'ii Joiirn. mS:>, G6S.— Harlan, Fuun. Amer. 1833, 160 (in Bmull part only; 



= emjietraot Pulliis, Qmolin, etc.).— Richardson, Parry's Voy. App. 1823, 315; Faun. Dur-Am. 



i, lHv!9, 147, pi. ix {= empeira Sabine, and bence mainly A. moHox). — Fischer, Synop, Mam. 



1829, 343 (In ]>art only).-ScHlNZ, Syn. Mum. ii, 1845, 61 (in part only).— Gray, " Knowslcj'a 



Menag. 184U, pi. vii." 

 Mua (drctomgi) empeira H.\u., Cuu. Nat. and Oeol. 1860, 302. 

 Aretamyt melanopue KuilL, nuitrii;p, IHSU, 64 (Canada). 



Arclomya empeira, mtlanopua Fisciikr, Syn. Mam. 1829, 343 ( — mrfanopM* Kuhl). 

 Arctomy marmota camuleuBu KvuL, Uuitriigo, 1820, 64 (Canada). 

 t Stereodcclee lorlue Copk, Proo. Acad. Nat. Sei. Pbila. H69, 3 ; Proo. Amer. Pbil. Soo. Pbila. 18C9, 172, pi. 



ill (fuiuiil ; bono-cavesi, Virginia; probably baaed on an abnormal inciiior of Arettmut manax). 



"1 Arelomyt " Leidy, Jimrn. Acad. Nat. Sol. Pbila. vii, 180U, 404 (=z Stereodtein torltu Cope). 



Le Siffleur, La IIontan, Voy. duns I'Amdr. I, 17U:), 233. 



Moaax, CATK,snY, Nat. Hist. Car. App. 174.!, xxviil. 



Moiiax or ifarmotle of America, Et>WARDa, Birds, ii, 1745, 104, pi. civ (specimen {rom Maryland). 



Glia marmolla, amtricaiiuii, Klkin, Qua<'. 1751, 56. — Biiisao.v, Reg. Anim. 1756, 164. 



La Marmollc il'Amirique, Brisso.s, 1. o. 



MarytuHd Marmot, 1'knnant, Syn. Quad. 1771, 270 ; Arctic Zoul. i, 1784, 111 ; ib. id ed. 1792, li28 (in part 



only ; mixed with a species of Capromyi 

 t Quebec Marmot, Pennant, I. c. (probably A.morMX,. 

 Monax gris, F. Cuvikr, Kist. des Mam. livr. xxxvii, 1822. 

 Woodchuck, Ground-hog, vnlgo. 



Specific chars. — Length to base of tail 14.50, varying from 13.00 to 

 15.50 ; of tail-vertebrae about 4.50 ; of tail to end of hairs about 6.76. Color 

 above generally mixed fulvous, brownish-black, and gray ; below, yellowish- 

 rufous, Mirying to brownish-rufoua. Top of head, upper surface of all Iho 

 feet, and the tail usually black or brownish-black ; nose and ch'n gray ; sides 

 of the head (below the eyes) and throat yellowish-white ; fore limbs nntj 

 region all round their insertion usually lively rust-red. Varies to wliolly 

 brownish-black, varied slightly with pure gray or rusty-gray, and even to 

 nearly uniform intense black. The ears are largo, rounded, thinly haired, 

 generally gray, but varying in the darker specimtms to brownish-gray, passing 

 into black at their extremities. Tail full, round, and bushy, with the liuirs 

 generally considerably less than half the length of the head and body. 



Specimens from the same locality vary greatly in color, the gray of the 

 upper parts varying from whitish-gray to yellowish-gray, the black from 

 brownish-black to pure black, and the fulvous from pale fulvous to yellowish. 

 The abundant soft under fur is black or dusky at base, then fulvous, passing 

 into l)rownisIi-fulvou8. The basal dusky zone occupies from one-^hird lo two- 

 thirds (if the whole length of the under fur, the remainder being fulvous, the 



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