236 
COEYPHODON. 
Measurements. 
M. 
Length of the lemur from the little trochanter. 0. 320 
Width at the little trochanter..... 0. 085 
Width at the third trochanter.. . .. 0. 007 
Width below the third trochanter... . . 0. 055 
Width at the condyles . 0. 092 
Depth of the inner condyle (oblique). 0.100 
A tibia accompanying the femur presents the usual character of the 
distal extremity, the flat articular face, with descending internal malleolus. 
The shaft is quite slender, and is strikingly less robust than in the 
iwesskornis and other species of that family. The corresponding bone of 
the other limb, together with the fibula, exhibits a length proportioned to 
that of the femur above described, and my notes state that I discovered 
the ilium, femur, tibia and fibula, and hind foot in their immediate normal 
relations. The head of the tibia presents the usual characters of the genus, 
one of which is the absence of prominent crest. The outer femoral face is 
smaller than the inner. The shaft is subround; the distal end a transverse 
oval in section, widest at the inner extremity. The fibula is entirely distinct 
from the tibia, and has a slender shaft of a broadly oval section placed 
transversely. The head is not much expanded, and its tibial face is very 
oblique. The distal end is expanded antero-posteriorlj", but little externally; 
its astragalar face inclines at 45°, and is subround in form. The external 
border becomes angular below, and the angle divides a wider external from 
a narrow posterior distal face. 
Measurements. 
M. 
Length of the tibia.. 0.295 
Transverse diameter of the head. 0. 090 
Transverse distal diameter. 0. 065 
Antero-posterior distal diameter. 0. 03<S 
Antero posterior diameter of the sbafr,. 0. 030 
Length of the fibula.. .. 0. 260 
Antero posterior diameter ))roximally. 0. 025 
Antero i)osterior diameter distally. 0. 039 
Diameter of the shaft of the fibula at the middle . 0. 021 
Transverse diameter proximally. 0. 037 
Transverse diameter distally. 0, 037 
A second individual is represented in the collections by two fragmentary 
mandibular rami of a young animal, whose last molars are not yet pro- 
