638 IHE AMERICAN NATURALIST. [VoL. XXXV. 
Loncheres labilis! sp. nov. 
Nineteen specimens, April and May. 
Type: No. 8480, old adult ¢, Bangs Collection, Museum 
of Comparative Zoólogy. Collected April 26, 1900. 
Characters: Most nearly related to L. caniceps Günther of 
Medellin, Colombia. Pelage long and stiff, but without spines. 
Judged by description alone, the new species is brighter and 
redder in color and its head is not gray. The skull compared 
with Giinther’s figures (P. Z. S., 1876, p. 746) is more 
slender, the palate and post-palatal regions are narrower, and 
in profile the skull of the island animal is much flatter, the 
supraorbital ridge not rising in a curve but lying flat and straight. 
Type of Z A labilis, adult é (three views). 
Color and Pelage: Pelage moderately long and harsh, but 
wholly without spines. Whiskers very long, black, as also a 
patch of whisker-like hairs behind the eye and others in front 
of and on edge of ear. Top of head, nose, and cheeks black, 
the hairs somewhat annulated with yellowish, giving à pepper 
and-salt appearance ; yellowish-white patches at base of whs 
kers, above eye, and behind ear ; rest of upper parts’ bright 
ferruginous, varied by black-tipped hairs along middle of back, 
varying in amount in different individuals, — some specimens 
1 Labilis, gliding, slipping. 
