260 0. C. Marsh—New Tertiary Birds. 
Greatest —_—— of articular head, ..0.0. 000 sucess cece 14:3 
Least dia We eke a a ic hs ws oe tae (RS 72 
Greatest diamete OF seate RE WIS, 1065 ios OS geese es bs 
Pease Cinteter sk os os Gg Ss hs ee ee 4-2 
This ee specimen, which belongs to the Aaa of 
Natural Sciences in Philadelphia, was found by Dr. A. ©. 
Hamlin, in the Post-pliocene clay near Bangor, Mane 
Meleagris altus. 
Meleagris altus Marsh. Proceedings rece Academy, 
1870, p. 11, and American Naturalist, vol. iv 17. (Meleagris 
superbus Cope, Synopsis Extinct Batrachia, ete., p. 239. 
This species, which was based on portions of four skeletons, 
soy eancd most nearly in size and general features the eae 
wild Turkey of North America (Meleagris gallopavo Linn.). 
may readily be distinguished, however, by its more oe 
the wild ran in patale besa doar igen and in aoe 
the shaft straighter, or less sigmoid. The coracoid is elonga 
and its lower end expanded ave S Its pneumatic 
han i 
is erectile slender and Pelngaied The hypotarsus, a — 
canal, as in the adult suicag and onan glinnceon birds. “The 
bridge, if it existed in an ossified — ondition, was ley 
Measurements. ase 
Length (approximate) of humerus,...... .++++++++++ 159°5 
Greatest diameter of proximal end,.......+-++++-+++++ 42° 
Greatest diameter of distal end,...........+++ee+se0" 33° 
Leugth of. e0rhboidss. . cee caen ets dan ose hoe ek 122° 
Transverse diameter OF JOWGE GGG. von cc ees tence nee? 37°5 
Length of tae ns ee 150° 
Transverse diameter OF distal end. 4. 6.600 cee. s sess 31° 
