12 
THE VOYAGE OF H.M.S. CHALLENGER. 
specimens the length and breadth were equal ; in the sixth the breadth appreciably- 
exceeded the length. The mean sacral index was 98. In the only female the sacral 
index was 101. 
Pacific Islanders. — Table II. Plate I. 
These specimens consisted of three entire pelves and of two others, each with only 
the right innominate bone, collected by the Challenger at Oahu in the Sandwich Islands. 
The crania of A., B., and L. are amongst the dolichocephali in Table XI. of the First 
Part of this Keport ; I. is amongst the brachycephali in Table X., and M. amongst the 
mesaticephali in Table XII. I have also examined the sacrum of a Tonga Islander 
collected by the Challenger, and the pelves of two New Zealanders from skeletons in the 
Anatomical Museum of the University of Edinburgh. 
The pelves from Oahu were all from adult women, and in them the delicacy and 
Table II. — Pacific Islanders. 
r 
Oahu, Sandwich Islands. 
Ton- 
gan. 
Chal. 
New Zealand. 
Collection, 
. 
A. 
Chal. 
B. 
Chal. 
L. 
Chal. 
I. 
Chal. 
M. 
Chal. 
Otago. 
E.U. 
Auck- 
land. 
A.M. 
E.U. 
A.M. 
Sex, . 
F. 
F. 
F. 
F. 
F. 
hi. 
M. 
r 1. 
Breadth, of pelvis, 
229 
275 
252 
238 
255 ap 
1 
2. 
Height of pelvis, 
174 
195 
189 
176 
176 
188 
221 
’</} 
3. 
Breadth-Height Index, 
76 
71 
70 
79 
87 
s 
4. 
Between ant. sup. iliac spines, 
207 
213 
206 
s 
5. 
Between post. sup. iliac spines, 
78 
91 
91 ap 
50 
69 
6. 
Between ischial tubera, 
152 
167 
163 
129 
155 
■3 1 
7. 
Between ischial spines, 
Greatest diameter of cotyloid, 
77 
g 
8. 
42>vt 
50^ 
52 v 
47 vt 
43 vt 
52 vt 
58 vt 
9. 
Vertical diameter of obturator foramen, 
41 
50 
46 
47 
48 
55 
58 
w 
10. 
Transverse diameter of obturator foramen, . 
28 
35 
31 
36 
39 
36 
40 
11. 
Obturator Index, 
68 
70 
67 
77 
81 
65 
69 
Il2. 
Subpubic angle, 
93° 
84° 
102° 
65° 
.52 
r 13. 
Transverse diameter of brim, 
121 
134 
129 
109 
122 
o X, 
14. 
Conjugate diameter of brim, 
100 
121 
99 
104 
118«» 
2 £< 
15. 
Pelvic or Brim Index, 
83 
90 
77 
95 
97 
.2 o 
05 ZZ 
16. 
Oblique diameter of brim j jFpU 
117 
121 
140 
134 
125 
126 
107 
111 
125 
122 
a o 
17. 
Inferior sagittal diameter, 
103 
121 
104 
109 
99 
104 
Q ^ 
19. 
Intertuberal diameter, 
130 
134 
134 
86 
121 
20. 
Depth of pubic symphysis, . 
34 
37 
36 
36 
37 
41 
43 
O 
121. 
Depth of pelvic cavity, 
86 
95 
96 
84 
88 
92 
106 
22. 
Height-length of ilium, 
101 
118 
105 
101 
101 
106 
135 ap 
23. 
Breadth of ilium, 
138 
164 
165 
149 
142 
149 
. 
o o! 
24. 
Iliac Index, . 
137 
139 
157 
147-5 
141 
140-5 
25. 
Breadth of innominate bone, 
145 
177 
176 
152 
153 
149 
.2 
26. 
Length of os pubis, . 
68 
77 
76 
72 
70 
67 
r rt - 
27. 
Pubo-innominate Index, 
47 
lf.3'5 
43 
47 
45 
45 
28. 
Length of ischium, . 
75 
82 
90 
78 
81 
83 
91 
X > 
29. 
Innominate Index, 
83 
91 
93 
86 
87 
79 
a 
30. 
Ischio-innominatc Index, 
43 
42 
48 
44 
46 
44 
o-2 
31. 
Length of sacrum, 
98 
100 
94 
105 
101 
101 
101 
120 
32. 
Breadth of sacrum, . 
108 
122 
114 
114 
105 
116 
97 
115 
133. 
Sacral Index, 
110 
m 
121 
108-5 
104 
115 
96 
96 
