REPORT ON THE BONES OF THE HUMAN SKELETON. 
15 
was 120 "5. The conjugate in the males ranged from 85 to 109 mm., and the mean was 
95 ; in the females from 102 to 109 mm., and the mean was 105 '5. The mean pelvic or 
brim index was 87 in the males, 88 in the females. In both the males and females the 
intertuberal diameter was considerably less than the transverse diameter of the brim 
of the pelvis. The mean inferior sagittal diameter in the males was 107, in the females 
133 ; in each sex it was considerably above the mean conjugate of that sex. 
The pubic symphysis varied in depth in the males from 36 to 42 mm., and in the 
females it was 33 and 34 mm. respectively ; the depth of the pelvic cavity was less in 
the females (mean 89 mm.) than in the shallowest (92 mm.) of the males. The mean 
pubo-innominate index in the males was 41, and in the females it was also 41. The 
maximum length of the ilium was 125 mm., the minimum 96 ; the mean iliac index was 
130 in the males and 146 in the females. The maximum length of the ischium (a male) 
was 88 mm., the minimum (a female) 76. The ischium was usually about two-thirds or 
three-fourths the length of the ilium, but in one male it was as much as seven-eighths 
Table III. — Negro. 
Collection, .... 
E.U.A.M. 
E.U.A.M. 
E.U.A.M. 
Barclay 
Mus. 
E.U.A.M. 
E.U.A.M. 
Creole. 
E.U.A.M. 
Sex, ..... 
M. 
M. 
M. 
M. 
F. 
F. 
M. 
r 1- 
Breadth of pelvis, 
241 
265 
246 
230 
237 
245 
276 
fl 
2. 
Height of pelvis, 
194 
210 
203 
177 
170 
183 
211 
o 
3. 
Breadth-Height Iiulex, . 
80 
81 
82-5 
77 
72 
74 
76 
a 
4. 
Between ant. sup. iliac spines, . 
211 
221 
223 
214 
219 
224 
258 
a 
5. 
Between post. sup. iliac spines, . 
58' 
64 
66 
56 
76 
80 
58 
6. 
Between ischial tiibera, . 
120 
148 
140 
124 
137 
152 
141 
7. 
Between ischial spines, . 
67 
91 
87 
71 
91 
112 
73 
a 
8. 
Greatest diameter of cotyloid, . 
54'U 
56r 
b2v 
47t' 
48< 
bZvt 
58v 
o 
+J 
9. 
Vertical diameter of obturator foramen, . 
57 
55 
49 
49 
41 
48 
50 
10. 
Transverse diameter of obturator foramen, 
35 
37 
30 
25 
27 
34 
34 
11. 
Obturator Index, 
61 
67 
61 
61 
66 
71 
68 
<i 
112. 
Subpubic angle, . 
52° 
68° 
59° 
54° 
76° 
71° 
61° 
f 13. 
Transverse diameter of brim, 
115 
119 
108 
97 
115 
126 
127 
14. 
Conjugate diameter of brim. 
109 
94 
93 
85 
109 
102 
115 
o ^ 
15. 
Pelvic or Brim Index, 
95 
79 
86 
88 
95 
81 
90-5 
s ^ 
.2 V 
a C 
16. 
Oblique diameter of brim | ^eft^*' 
120 
119 
119 
118 
107 
114 
95 
95 
121 
119 
123 
130 
132 
129 
. Dime) 
ity of t 
17. 
Inferior sagittal diameter. 
105 
124 
102 
97 
117 
150 
110 
18. 
Coccygeo-pubic diameter. 
119 
89 
19. 
Intertuberal diameter, . 
83 
93 
85 
77 
98 
loi 
95 
CQ > 
^ c3 
20. 
Depth of pubic sympljysis, 
38 
42 
37 
36 
34 
33 
42 
o 
l21. 
De])th of pelvic cavity, . 
92 
98 
99 
97 
87 
91 
94 
r22. 
Height-length of ilium. 
115 
125 
118 
96 
96 
101 
131 
"cS 
3 
23. 
Breadth of ilium, 
152 
147 
151 
135 
138 
149 
155 
24. 
Iliac Index, .... 
132 
118 
128 
141 
144 
147-5 
118 
25. 
Breadth of innominate bone. 
167 
163 
158 
172 
176 
26. 
Length of os pubis. 
67 
70 
65 
64 
68 
75 
77 
27. 
Pubo-innominate Index, . 
40 
43 
88 
41 
86 
39-5 
43 
o i 
28. 
Length of ischium. 
81 
84 
76 
83 
94 
loq 
29. 
Innominate Iiulex, 
86 
78 
78 
101 
96 
30. 
Ischio-innominate Indea:, 
42 
42 
44 
47 
45 
45 
44-5 
c 
(P 
31. 
Length of sacrum. 
96 
97 
96 
90 
93 
111 
110 
S 
32. 
Breadth of sacrum. 
104 
116 
111 
101 
101 
99 
120 
5 
33. 
Sacral Index, .... 
108 
119 
116 
112 
109 
89 
109 
d 
34. 
135. 
Length of coccyx. 
Breadth of coccyx. 
22 
31 
33 
46 
