Ochotona, Palaeolagus. 
5153 
5451. kolymensis, Allen, Bull. Amer. Mus., 1903, 
p. 154. 
5452. princeps, Richardson — (4005 exci, syn.); 
Elliot, Field Columb. Mus., II, 1901, 
p. 267, l 61. 
5453. schisticeps, Merriam — ( 4000 ); Elliot, 
1. c., 1901, p. 267; Merriam, N.-Am. 
Fauna, No 16, 1899, p. 99, f. 33. 
5454. collaris. Nelson — (4004); Elliot, 1. c., 
1901, p. 268. 
5455. cuppes, Bangs, Proe. N.-Engl. Zool. Club, 
1899, p. 40; Elliot, 1. c., 1901, p. 268. 
5456. saxatilis. Bangs, Proe. N.-Engl. Zool. Club, 
1899, p. 41; Elliot, 1. c., 1901, p. 268. 
5457. minimus, Lord — (4005 syn.); Elliot, 
1. c., 1901, p. 269 (bona sp.). 
5458. f palatinus. Cope — (4011); id., Journ. 
Acad. Philad., 1899, p. 209 (Lagomys). 
Siberia Or., ad 11. 
Kolyma (Yakutsk). 
Columbia Britann., 
ad fl. Maekensie, 
M tes Rupestres. 
California Sept., 
M s Sierra Ne vada et 
Shasta (3300 m.), 
Placer Co. (Donner). 
Alaska (ad fontes 11. 
Tanana), M tes ad Fort 
Yukon usque ad 
M s Chigmit ad 
Bristol Bay. 
Columbia Brit. 
Gold Range, 
(Monisbe Divide). 
Colorado, 
Montgomery Park Co. 
(Snowy Range). 
Columbia Brit., 
Cascade Range 
(Ptarmigan Hili). 
-j- Pleistocaen. 
Pennsylvania. 
Familia XXVIII. Leporidae. 
881. f Palaeolagus, Leidy, 1856. 
Trisium, Cope, 1873. 
Leidy, Proe. Acad. Philad., 1856, p. 89. 
5459. fhaydeni, Leidy — (4007 exel. svn.: 
»agapetillus«); Mattbew, Bull. Amer. Mus., 
1903, p. 308; Major, Trans. Linn. Soe., 
1899, p. 470, 478, pl. 36. 
avunculus, annae et leporinum, Cope. 
5460. f temnodon, Douglass, Trans. Amer. Pkil. 
Soe., 1901, p. 14; Mattbew, 1. c., 1903, 
p. 310. 
fOligocaeu. United 
States, Dakota, 
Colorado. 
f Oligocaen. Montana. 
