Af DR. J, MURIE ON SAIGA TARTARICA. [June 9, 
(B) Pelvic arch and hind limb.—In treating of the male pelvis it 
may be as well to mention that the left ischium of the Society’s 
specimen had sustained a fracture, the parts being reunited in a 
contorted manner. The opposite right pelvic moiety, however, was 
intact ; and from it and the College of Surgeons’ skeleton the sub- 
joined description is taken. 

Pelvis of male adult Saiga, its lower aspect: two-fifths nat. size. 
LZ. 6. Last or sixth lumbar vertebra. a. s. sp. Anterior superior spinous process. 
¢.z. Tuberosity of the ischium. ¢. sp. External spinous process of ischium. 
The brim is placed at an angle of about 50° to the long axis of the 
lumbar vertebree. Its conjugate diameters are 3 inches ; no marked 
inequalities exist, so that its roundish outline is complete. The en- 
larged diamond-shaped blade of the ilium is deeply biconcave with- 
out for the deep gluteal muscles ; and the sacro-iliac synchondrosis 
occupies rather less than half of the antero-inner convex surface. 
A remarkably prominent, elongate anterior superior spinous process 
(a. s. sp) juts outwards ; and the middle of the crest has also a note- 
worthy tuberosity. The acetabulum is narrow, but deep, the notch 
large but protected by a thick layer of cartilage. The anterior 
