60 ME. A. L. ADAMS ON THE OSTEOLOGY OP 



epii)hyses are completely consolidated ; moreover the solution of continuity at its upper 

 extremity is through solid bone. The inner and posterior aspects of both condyles are 

 somewhat abraded, so that the outer condyloid pit or fissure appears, in fig. 3 a, a little 

 wider than natural. Unfortunately the shaft has been too much crushed to permit of 

 any reliable data being obtained. The antero-posterior length of the outer condyle 

 (by tape) is 6'5 inches, and the internal 7*4 ; girth at the epiphysial junction a, 11-5, 

 and breadth 4*2 ; transverse diameter of condyles 3'6. 



Siuninary. — A comparison between the members of A Series and the same bone of 

 the African and Asiatic affoi'd the following characters : — 



1. The saddle-shaped depression between the trochanter and head, and the length of 

 the neck, in the Mammoth and Asiatic Elephant as compared with the large trochanter 

 major and short intervening hollow of the African are remarkably apparent in PI. XIV. 

 fig. 1, just as the character of the intercondyloid pit and convergence of the condyles 

 more resemble the African than the Asiatic'. Again, the digital pit, which is deep in 

 the Asiatic and the Mammoth, is shallow in fig. 1, and also in the African. The 

 condyles of the two latter also agree in being more unequal in length and having a 

 narrower interspace than the Asiatic and E. primi genius, whilst a section across the 

 condyles of the Maltese specimens at the epiphysial junction displays a concave base 

 and large heavy internal angle (PI. XL fig. 6) of the Afi-ican as compared with the 

 more equilateral sides of the Asiatic. 



2. Turning to the shaft, like the African our fossil has the posterior aspect of the 

 shaft flat ; however, the rudimentary trochanter minor on the posterior and internal 

 angle is quite developed, the same being apparently wanting in the African ; there is, 

 moreover, a decided rudimentaiy third trochanter. Altogether the femur may be said 

 to partake, as regards its head, of the Asiatic, whilst the trochanteric pit, shaft, and 

 condyles resemble the African. 



(B Series.) With reference to the femur (PI. XIV. figs. 3 & Sffl), unfortunately there 

 is little in a sufficient state of integrity to admit of accurate comparisons, excepting the 

 condyles. These do not seem to diff'er from the large form and E. africanus ; the patellar 

 sulcus (fig. 3 a), however, would seem to be deeper than 2 a. Again, in the large form 

 and also the Asiatic and Mammoth, the anterior surface, just above the condyles, is 

 narrow as compared with the African ; and the femur (fig. 3) suddenly deepens at the 

 point b, forming a digital pit and flat surface, whereas at h in fig. 2 it is shallower with a 

 rounded surface. 



Young and immature Femora. 

 1. The specimen shown by PI. XXI. fig. 18 represents the proximal extremity, and, 

 as far as characters are concerned, seems to me an exact resemblance of the adult femur 

 Plate XIV. fig. 1. 



' See these distinctions in Cuvier, Ossem. Fossil, pi. xi., and Blainville, Osteograph. vol. iii. pi. vi,, and 

 British-Museum specimen 708 h. 



