0. C. Marsh on Cretaceous and Tertiary Birds. 209 
end is broadly oval. 
The admeasurements of this tibia are as follows :— 
Length of portion preserved, heidi 43°5™m- 
Width of condylesin front, - - - - 97 
Depth of outer condyle, - pe ee 8°6 
Width of bridge at center, - - - - 1% 
Transverse diameter of upper outlet, - = - 2° 
Transverse diameter of lower outlet, Me ae 
Transverse diameter of shaft where broken, - 4-7 
Antero-posterior diameter of shaft where broken, 3°8 
saab by Dr. Morton in his Synopsis, as “the tibia = a bird 
onging to the genus Sco -’* and subsequently by Dr. Har- 
aoe manes we biel diteiae oh 
resembles the tibia just described. This is especially evident 
'n the very gradual, transverse expansion of the lower end of 
the tibia ; and in the broad concave trochlear surface, with no 
Indications of a median elevation, or of the peculiar flattening of 
the inferior surface, which is seen in many of the Snipe family. 
* Synopsis i sas of the Cretaceous of the U. 8, p. 32, Phila- 
3 delphia, a the Organic Remains 
+ Medical and Physical Researches, p. 280, Philadelphia, 1835. 
Am. Jour. Sct.—Szconp Serres, Vou. XLIX, No. 146.—Maxcu, 1870. 
14 
