28 



1. Cuniculus hudsonius, (Forst.) Coues. 



Syn. J/w.<! hudsonius, Forst., Phil. Trans. Ixii. 1773, 379.— Pall., N, Sp. 

 Glir. 1778, 201.— Gm., Syst. Nat. i. 1788, 137. 



Lemmus hud><onius^ Sab., Snppl. Parry's Voy. 1824, 185 ; App. Frank- 

 lin's Journ. 1825, 661.— Harl., Fn. Amer. 546. 



Arvicola hudsonui, Rich., App. Parry's 2d Voy., 308. 



Arvicola {Oeorychua) hudsoniua, Rich., F. B. A. i. 1829, 132. 



My odes Jiudsonius, Wagn., Suppl. Schreb. iii. 1843, 604. — Midd., Bull. 

 Acad. St. Petersb. iii. xix. Dall, Alaska, 577. 



Oeorychus Jiudsonius, And. and Bach., Q. N. A. iii. 1853, 81, pi. cxix. 



Mus torquatus, Pall., N. Sp. Glir. 1778, pp. 77 and 205, pi. xi. B. 



Myodes torguatus, Keys, and Bias. Wirb. Eur. 1840, pp. vi. and 32. — 

 Midd., Sib. Reise, ii. 1853, 87, pi. iv.-vii. and x.— Baird, M. N. A., 

 1857, 558. 



Mus lenensis, Pall., N. Sp. Glir. 1778, 195, 



Mits groinlajidicus, Traill, Scoresby's Greenland, 1823, 416. 



Arvicola {Oeorychus) granlandicus, Rich., F. B. A. i. 1829, 134. 



Oeorychus gr(Bnlandicus, Aud. and Bach., Q. N. A. iii. 1854, 315. 



Cuniculus grcenlandicus, Wagler, Isis, 1838, 1220. 



Myodes grocnlandicus, Wagner, Suppl. Schreber, 1843, 606. 



Lemmus unguhdus, Baer, Baer and Helm., Beit. iv. 1841, 283. 



Hudson^s Rat and Hare-tailed Bat, Penn., Arct. Zool. i. 132, 133 ; 

 Quad. ii. 201. — Hare-tailed Mouse, Hearne, Journ. 387. — Hudson's 

 Bay Lemming, A\\(i. —WapiskooseesicTc ("White Bear Mouse") of 

 the Crees, Lunaguy {,'•'• l^hMe Mouse") of the Chippeways, Awing- 

 nack ("White Mouse") of the Esquimaux. 



Hab. Arctic regions. 



Genus X. FIBER, Cuvier. 

 Syn. Castor, L., S. N. i. 1766, 78 (not type).— Mus, Gm., S. N. i. 

 1788 (not type) .—^'Myocastor, Kerr's Linn., 1792," partly, (type 

 Myopotamus coypiis). — Fiber, Cuv., Leqons, i. 1800 (type Castor 

 zibethicus, L.). — Lemmus, Fisher, Syn. 1829 (partly). — Ondatra, 

 Waterh., Charlesw. Mag. iii. 1839 (type zibetJdcus). 



Obs. Altliougli this well-known form presents many peculiari- 

 ties, these are chiefly in adaptation to aquatic habits ; it is strictly 

 arvicoline in all essentials. 

 1. Fiber zibethicus, (L.) Cuv. 

 Syn. Castor zibethicus, Linn., S. N. i. 1766, 79. 



Mus zibethicus, Gm., S. N. i. 1788, 125. 



Myocastor zibethicus, "Kerr's Linn. 1792." 



Fiber zibethicus, Cuv., R. A. i. 1817, 172, and of authors. 



Lemmus zibethicus, Fisch., Syn. 1829, 289. 



Ondatra zibethicus, Waterh., Charlesw. Mag. iii. 1839, 594. 

 ? Fiber osoyensis, Lord, P. Z. S. 1863, 95 (British Columbia). 

 Hab. North America. 



