362 0. C. Marsh—Description of Hesperornis regalis. 
cartilage, as in Apteryzx, and, at its upper margin, the anterior 
and posterior extensions of the illia, if both existed, were dis 
connected, or unossified at their union. 
The cervical and caudal vertebree preserved present no fea- 
tures deserving of special mention in this preliminary nouee, 
The latter are numerous, but apparently not much in excess of 
those in some modern birds. Unfortunately, no portions of the 
skull were recovered. The femur and tibia have very thick 
compact walls, and do not appear to have been pneumatic 
The tarso-metatarsals and the phalanges were nearly or quite 
solid, 
Measurements. a 
Leugen Of finest tomas, 2. 36 2 oS ee aed 
Transverse diameter of proximal end,.--. ---. ---------- a 
Diameter of articular mee. oo SES es os 
ransverse diameter of shaft, at middle, eel winery = ey se 
Antero-posterior diameter c. 2255. ctesneee eee sy 
Transverse diameter of distal end, ..-.--.----------="" 
Length of right tabiag ci 7... 22-003 U5. eagle - steel 
Transverse diameter of proximal articulation, - - --------- : , 
ength of cnemial process,_........-.--~----------7-7" ps 
Transverse diameter of shaft, at middle, - -------------- ee 
Transverse diameter of distal CBs. en anes: se eee pa 
Antero-posterior extent of outer condyle, eda gers? 3 92° 
An ero-posterior extent of inner condyle Auten 2S El ee ix 
Length of right tarso-metatarsal,.-..._-.----- -------> 130° 
ngth to distal end of third metatarsal,_-------------- 16° 
Length to distal end of second metatarsal, - --- --------- - 
Transverse diameter of proximal articulation, - ---------- 15° 
ast transverse diameter of shaft, rb ee Oe 16° 
oo diameter of distal end of fourth metatarsal, - - 
