[Jrsus, Danis, Duarctos. Helarctos. 
24a 
1457. Richardsoni, Mayne-Keid, The Grant Bear America Boreali iii 
Hunt, Loiid., 1860; Am. Ed., 1864, p. 260; »Toundras«, Hudsoii- 
Merriam, Proc. Biol. Soc. Wash., X, 1896, Bay, flum. Mackensie. 
p. 77. pl.IV,6; V, 5; VI. 3: tig. 16. 17, 
p.77. 
C. Euarctos, Gray, 1864. 
1 458. americanus, Pallas, Spicii. ZooL, fasc. XIV, 
1780, p. 5; Schreh., Saug., pl. 141, B; F. 
Puv., Mam., U, 1824; Ann.Mus., VII, p. 333, 
pl. 18, 21; Baird, Mam. N.-Am., 1857, 
p. 225, pl.43, tig. 10— 13; Gray, P. Z. S., 
1864, p. 692; Merriam, Proc. Biol. Soc. 
Wash.. X, 1896, p. 79. 
Var. cinnamomeus, Baird, Mam. N.-Am., 
1857, p. 217, 228, pl. 79; Report Mexic. 
Boimd. Survey, Mam., 1859, p. 29; Bachm., 
N.-Am. Journ.. II, pl. 127 : Gray, P. Z. S.. 
1864. p.693. 
a. - Vai'. Dall, Science, II. 1895, 
p. 87; Merriam, Proc. Biol. Soc. Wash., X, 
1896, p. 82. 
America Sept. 
Orientali: United 
States. 
Nov.-Mexico. 
Alaska, S* Elias Alps 
(ad Yakutat Bay). 
1459. luteolus, Griftith, Oarniv. Anim., 1821, 
p. 236, pl. coL; Merriam, Proc. Biol. Soc. 
Wash., VIII, 1893, p. 147 (partim; exclus. 
syn. »Ursus cinnamomeusc .\ud. et Bachm.); 
X, 1896, p. 79. 
1460. floridanus, Merriam, Proc. Biol. Soc. IVa- 
shington, X, 1896, p. 81. 
Louisiana, Texas. 
Florida, 
(Key Biscayne). 
Idej.-j-amplidens, Leidy, Journ. Acad. Nat. Sc.. 
1856, pl. XVn, fig. 13 — 16. 
t Pleistocaen. 
America sept. 
I). Helarctos, Horstield, 1825. 
Procli ilu8, p., Gray, 1825 (nec Illig.) 
I462.f namadicus, Falc. et (Jautl., Pal. Mem., f Pleistocaen. 
1868, 1, p. 552, pl. 26; Fauna Antiq. Sival., Asia Merid. India, 
pl. 0; Lydekker, Mem. Geol. Surv. Iiid., X, Narbada. 
vol. 11, part. 6, 1884, p. 39, pl. 28, 29. 
