Wolverene 
203 
Habits. — The Marten is of arboreal habits, spending most 
of its time in trees, hving on mice, squirrels, and such birds 
as it may be able to capture. It also feeds on rabbits and 
mountain rats. MacFarlane states that the rut of British 
American martens is in February and March ; that the young 
are six in a litter, are blind and helpless when born, and 
that the nests are in hollow trees, under fallen timber, and 
in holes in the ground. The fur being so valuable much 
trapping is done for them, and many are taken annually. 
Genus GULO (Lat. giila, the throat, gullet, hence gluttony) 
Gulo Frisch, Das Natur. Syst., vierfiiss. Thiere, in Tabellen 17, 
Tab. Gen. (1775). Type Mustela gulo Linnaeus. 
Size large, stout; legs short; tail bushy and short; soles hairy 
with six naked pads; claws sharp and strong; skull massive, superior 
outline arched; zygomata widely divergent, strong, high behind; 
bullae moderately inflated on inner half and laterally elongated into 
tubes; orbital constriction slight; palate broad and extending 
nearly half way from the last molar to the bullae; rostrum short 
and stout ; dentition : i. f ; c. | ; pm. |;m.|- X 2 = 38. 
The Wolverene or Glutton is an inhabitant of the northern 
portions of northern Europe, Asia, and America. It is, 
for its size, a very powerful animal; it lives on meat of any 
kind, and, if reports be true, is not particular as to killing 
it itself. 
Elliot in his Check-list gives three species as found on this 
continent, one of which, the type species, is found in Colorado. 
Gulo luscus (Lat. one-eyed, blind, perhaps in allusion 
to small eyes). Wolverene. 
Ursus luscus Linn., Syst. Nat., loth ed., i., p. 47 (1758). 
Type locality. — Hudson Bay. 
Measurements. — (From a Breckenridge, Colo., specimen in 
Carter Collection): Total length, 38.7; tail vert., 8.2; the two 
following are from Elliot: hind foot, 2.5-3.15; ear, 2. 
Description. — (From a specimen taken near Breckenridge, Colo., 
in the Colorado Museum of Natural History, Denver) : above dark 
brown ; lighter, more fulvous along sides and at base of tail ; tail like 
