620 
Sciamys, Eretliizon. 
701. t Sciamys, AmegL, 1887. 
3793. f principalis, Am., En. Sys., 1887, p. 9; fEocaen. 
Mam. Eos., 1889, p. 127, pl. IV, fig. 26, 27. 
3794. t varians, Am., En. Sys., 1887, p. 9; Mam. fEocaen. 
Eos., 1889, p. 127, pl. IV, fig. 28, 29. 
3795. f robustus, Am., Euum. Svnopt., 1894, fEocaen. 
p. 68. 
3796. f tenuissimus, Am., Enum. Synopt., 1894, fEocaen. 
p. 68. 
Eatagouia. 
Patagonia. 
Patagonia. 
Patagonia. 
702. Erethizon, E. Cuv., 1822. 
Hystrix, p., L.; EcMnoprocta, Gray, 1865; ^ Hystricops, Leicfy, 1858. 
3797. f venustus, Leidy, Proc. Ac. Phil., 1858, 
p. 22; PIxt. Mam. Eauna, 1869, p. 343, 
pl. 26, fig. 23, 24; Alleu, Kod., p. 397. 
3798. f cloacinus. Cope, Proc. Amer. Phil. Soc., 
Xn, 1871, p. 93, fig. 19; Alleu. Rod., 
p. 398. 
3799. dorsatus, L. Syst. Nat., 1758, I, p. 57; 
Schreb., Saug., 1792, IV, p. 605, pl. 169; 
Shaw, Gen. Zool, 1801,11, p. 13, pl. 125; 
E. Cuv., Mem. Mus., IX, 1822. p. 423, 
pl. 20, fig. 1,2, 8; M^aterh., Mam.. II, 
p. 438; Alleu, Rod., p. 385, 388; Aud. 
et Bachm., Quadr., I, pl. 26; Lugger, 
Proc. U. S. Nat. Mus., III, 1881. p. 161. 
pilosus americanus, Catesby, 1731; 
Richards., Eauna B.-Am., 1829, I, p. 214. 
Buffonii, E. Cuv.; Gervais; ex »Urson«, 
Buff., Hist. Nat., XII, pl. 54, 55. 
hudsonius, Brissou, Regn. An. Quadr., 
1756, p. 128; Dekay, N.-Y. Zool., 1842, 
I, p. 27, pl. 8 et 25. 
3800. epixanthus, Brandt, Mem. Acad. S* Petersb., 
1835, pl. 1, 9; Waterh., Mam., II. p. 442; 
Coues et YaiTow, liVheeleEs Exp.West 100 
Merid., Zool., 1875, V, p. 174; Allen, 
Proc. Bost. Soc., 1874, p. 43; Rod., p. 389, 
391; Bull. Am. Mus., 1896, p. 246. 
f Pleistocaeu America 
septent. 
f Pleistocaeu America 
sept. 
America Sept., a 
Canada et Nova- 
Anglia ad Virgiuiam, 
■ AP Alleghanys, 
Marylaud. Olfio, etc., 
Maine, Massachusetts, 
New- York, 
Pensylvania, 
Kentucky^ sept.-or., 
Virginia occid. 
» 
America Sept.-Occid. 
(in rip. occid. flum. 
Missouri), Alaska, 
I. Sitka. Columbia 
Brit., Oregou, 
Uualaska, 
