924 



MONOGRAPHS OF NORTU AMERICAN RODENTIA. 



Tu.i i: <\ XX VIII. — List of specimens examined of Arctomys ixavivknter. 



* In Museum of Comparative Zoology, Cambridge, Maes. 



ARCTOMYS PRUINOSUS Grmelin. 



Unary Marmot. 



Arctomys prninosus Gmelin, Syst. Nat. i, 1786, 144 (= Hoary Marmot, Pennant). — Shaw, Gen. Zool. ii, 

 1801, 181 (same). — Sabine, Trans. Linn. Soc. xiii, 1822, 586 (same). — Harlan, Faun. Amer. 

 1825, 169 (same). — Richardson, Zool. Journ. iii, 1628, 518; Faun. Bor.-Anier. i, 1829, 150. — 

 Fischer, Syn. Mam. 1829, 343.— Audubon & Baciiman, Quad. N. Amer. iii, 1853, 17, pi. ciii. — 

 BaiBd, Mam. N. Amer. 1857, 345. 



Arctomys caligatus Eschscholtz, Zool. Atlas, ii, 1829, 1, pi. vi. — Richardson, Zool. Beecbey's Voy. 1839, 

 7, 12* (from Eschscholtz). — Wagner, Suppl. Schreber's Siinget. iii, 1843, 260 (from the 

 same). — Schinz, Syn. Mannii, 1845, 63 (from the same). — Ross, Ediub. New Phil. Journ. xiii, 

 1861, 162 ; Canad. Nat. and Geol. 1861, 434 ; Nat. Hist. Rev. 1862,274 (north to Arctic Circle).— 

 Allen, Proc. Bost. Soc. Nat. Hist, xvi, 1874, 294. 



Arctomys oJcanaganus King, Nar. Back's Journ. ii, 1836, 236, pi. ii. 



Arctomys monax Wagner, Suppl. Schreber's Siiuget. iii, 1843, 260 (in part). — Middendouff, Sibirische 

 Reise, ii, 1853, 85 (in part). — (Jassin, U. S. Expl. Exped. Mamm. 1858, 35 (Fort Okanagan, 

 Oregon). 



Hoary Marmot, Pennant, Hist. Quad, ii, 1781, 130: Arct. Zoul. i, 1784, 112; 2d ed. 1792, 129. 



Jhm bereifte Murmelthier, Sciiheber, Saugot. iv, 745 (from Pennant). 



Whistler, Harmon, Journ. 1820, 427. 



Specific chars. — Length of head and body 23.00 to 25.00 ; of tail to 

 end of vertebra? G.50 to 7.75 ; to end of hairs 9.25 to 10.50. Above, anteri- 

 orly, clear grayish-white, varied with black ; posteriorly grayish-fulvous and 



