The Vertebral Cohmm of the Bushman Bace of South Africa. 317 
Sacral Curve Index. 
S.A.C. I. 
S.A.C. 2. 
S.A.C. 3.* 
Female. 
Male. 
Male. 
Length of Curve, Tape . . 
106 
98 
105 
Depth of Curve 
20 
16 
12-5 
Index . . 
18-8 
16-3 
11-9 
Average Index in S.A. Bushman, 15 '6 
Compare with Cunningham's Table :-- 
Irish Females (2) 
Irish Males (2) 
Torres Straits Male . . 
Torres Straits Female 
Andaman Male 
Negro . . 
Australian 
Chimpanzee . . 
25-7 
25-2 
17-5 
19-5 
17-8 
11-5 
11-6 
No. 1 
No. 2 
No. 1 European, and No. 2 Bushman, fifth cervical vertebra, illustrating differences in 
the spinous processes, bodies, and the vertebral foramina. 
