0. C. Marsh—New Tertiary Birds. 259 
Uintornis lucaris, gen. et sp. nov. 
A small bird evidently belonging to the Scansores, and 
gooly related to the Wood 
deep groove. The shaft above the union of the three elements 
is broad, and nearly flat in front. On the posterior side it is 
somewhat concave. The foramen between the third and fourth 
metatarsals is small, and the groove above it quite narrow. 
Measurements. 
pansverse diameter of tarso-metatarsal at distal end,.... 4°8 
r €ro-posterior diameter of third metatarsal,.......+++ 2° 
orth CHOIMNCECT, ca deck erin esses ee oe ete doe if 
Wiane posterior diameter of fourth metatarsal,......--- 3° 
idth of shaft through lower foramen,...----+++++++++ 35 
ae type specimen of this species was found by the writer, 
t autumn, near Henry’s Fork, Wyoming. 
Catarractes affinis, sp. Nov. 
evidently a nearly related species. The F eet aoe ae 
: : iffers m the 
oo Ng ae bone of that species in several particulars. 
the tendons of the triceps mu: unequal size in the 
being much the 
scle of 
pero species, the one on the ulnar side 
arger, 
Measurements. 
Length of entire humerns,...---+2---sreer ee 95° ™™- 
Greatest diameter of proximal end,...--+-++++*: ins 
Transverse diameter of distal end,.... -- a given aa’ 10° 
* This Journal, vol. xlix, p. 213, March, 1870. 
