300 
A Study of the Negro Skull 
TABLE II. Females. 
Character 
Congo Series 
Gaboon, 1864 Series 
Gaboon, 
1880 Series 
No. 
Mean 
Standard 
Deviation 
Coefficient 
of 
Variation 
No. 
Mean 
Standard 
Deviation 
Coefficient 
of 
Variation 
No. 
Mean 
1240-41 
170-05 
170-95 
130- 47 
93-05 
131- 50 
97-39 
G 
T.I 
r 
L 
L 
B 
B' 
H 
OH 
LB 
21 
27 
26 
27 
27 
27 
26 
26 
27 

1205-88 + 15-85 
170- 83+ -77 
171- 23+ -70 
171-37+ -79 
130-91+ -72 
92- 56+ -49 
127-50+ -60 
109-00+ -58 
93- 31 ± -44 
107-68 + 11-21 
5-93+ -54 
5- 26+ -49 
6- 06+ -56 
5-53+ -51 
3- 74+ -34 
4- 53+ -42 
4-35+ -41 
3-42± "31 
8-93+ -94 
3-47+ -32 
3-07+ "29 
3- 54+ -33 
4- 63+ -43 
4-04+ -37 
3-55+ -33 
3-99+ -37 
3-68 ± -34 
43 
u 
u 
u 
43 
43 
$3 
1231-70 + 13-03 
170- 57 ± -63 
171- 57+ -61 
130-57+ -47 
92-84+ -41 
130-05+ -60 
95-84± -42 
126-63 ±9-20 
6-16± -44 
6-01+ -43 
4-67+ -34 
4- 00± -29 
5- 80 ± -42 
4-05 ± -29 
10-28+ -76 
3-61 ± -26 
3-51+ -25 
3- 58+ -26 
4- 30+ -31 
4-46 ± -32 
4-22± -31 
17 
19 
19 
19 
19 
18 
18 
P 
25 
81°-08± -46 
3°-38± -32 
4-17 ± -40 
298-16 
348-21 
121-11 
120-74 
106-47 
93-79 
480-68 
Q 
Qx 
S 
Sx 
s 2 
8* 
>%' 
u 
26 
26 
27 
27 
27 
27 
27 
27 
298-19+ 1-39 
297-31+ 1-38 
349-81+ 1-50 
120-91+ -86 
119-80+ 1-13 
109 -43 ± 1-01 
95-81+ -74 
489 -30 ± 1-79 
10-53+ -98 
10- 44+ -98 
11- 56± 1-06 
6- 61+ -61 
8-70 ± -80 
7- 78+ -71 
5-67+ -52 
13-80 ± 1-27 
3-53+- 33 
3-51 + • 33 
3-30±- 30 
5-47±- 50 
7-26+ -67 
7-11+ -66 
5-92+ -55 
2-82± -26 
U 
44 
44 
44 
44 
44 
44 
296-27 ± 1-10 
350-39 ± 1-39 
121- 59+ -68 
122- 77 ± 1-06 
105-93+ 1-04 
93-05+ -77 
481-16± 1-41 
10-79± -78 
13-67 ± -98 
6- 72+ -48 
10-44+ -75 
10-18+ -73 
7- 56± -54 
13-86 ±1-00 
3-64 ± -26 
3-90 ± -28 
5-52+ -40 
8- 50+ -62 
9- 61+ -70 
8-13+ -59 
2-88± 21 
19 
19 
19 
19 
19 
19 
19 
G'H 
GB 
r 
./ 
NH 
NB 
26 
27 
18 
27 
27 
59-27+ -64 
92-20+ -57 
122-14+ -68 
45-02+ -38 
25-04± -23 
4-83+ -45 
4-36+ -40 
4-25+ -48 
2-90± -27 
l-74± -16 
8-15+ -77 
4-73+ -44 
3-48+ -39 
6-44+ -59 
6-95 ± -64 
38 
41 
40 
43 
43 
62-74+ -53 
90-85+ -64 
120-50+ -63 
45-14± -32 
24-74+ -20 
4- 89+ -38 
6-07 ± -45 
5- 92+ -45 
3-08+ -22 
l-98± -14 
7- 79+ -61 
6-68+ -50 
4-91+ -37 
6-82+ -50 
8- 00± -59 
19 
17 
15 
18 
18 
62-47 
90-65 
120-33 
45-33 
25-67 
OiR 
OiL 
0 2 R 
0 2 L 
26 
26 
27 
27 
41-21+ -18 
40-50+ -20 
33-57+ -23 
33-35 ± -24 
1-36+ -13 
1-50+ -14 
1-81+ -17 
l-83± -17 
3-30+ -31 
3-70+ -35 
5-39+ -50 
5-49 ± -51 
\l t 3 
\ifl 
39-56± -18 
33-67 ± -19 
1-72 ± -13 
l-84± -13 
4- 34 ± -32 
5- 47+ -40 
19 
19 
40-11 
34-11 
Gx' 
Gx 
G 2 
B 2 
21 
21 
21 
24 
48-26+ -39 
50-19+ -43 
35-93+ -36 
30-92 ± -28 
2-63+ -27 
2-90+ "30 
2-43+ -25 
2-01 ± -20 
5-45+ • 57 
5- 78+ -60 
6- 76+ -71 
6-50± -64 
36 
33 
35 
36 
46-72+ -44 
50-09 ± -47 
37-40+ -38 
28-94± -26 
3- 92+ -31 
4- 02+ -33 
3-33+ -27 
2-33 ± -19 
8-40+ -67 
8-02+ -67 
8-90+ -72 
8-06± -64 
13 
11 
12 
13 
46-69 
51-73 
37 33 
29-69 
GL 
26 
93-90± -50 
3-75 ± -35 
3-99 ± -37 
38 
98-45 ± -54 
4-91 ± 38 
4-98 ± -39 
' 18 
98-17 
Fml 
Fmb 
DC 
DA 
PT 
ST 
27 
27 
27 
27 
27 
27 
35-33+ -39 
28-80+ "27 
24-72± -21 
40- 22+ -44 
106-24 ± -63 
112-24± -51 
76-46+ -32 
74-58+ -33 
102-58+ -55 
64-04+ -67 
55-81+ -62 
OZ 04+ DU 
81-23+ -47 
70-79 ± -SO 
67-04± -59 
81-80+ -75 
41- 48+ -71 
2-99+ -27 
2- 09± -19 
1-58+ -15 
3- 38+ -31 
4- 83+ -44 
3-96 ± -36 
8-46+ "78 
7- 26+ -67 
6-39 ± -59 
8- 40+ -77 
4-55+ -42 
3-53± 32 
41 
42 
43 
42 
33-98+ -28 
28-14+ -27 
23-09± -30 
108-48 ± -61 
2-61+ -19 
2-55+ -19 
2-87 ± -21 
5-87 ± -43 
7-68+ -58 
9-07+ -67 
12-43± -92 
5-41+ -40 
18 
18 
19 
19 
33 72 
28-50 
22-68 
105-32 
100 B/L ... 
LOO H/L ... 
LOO B/H ... 
100 <r B /GB 
LOO NB/NH 
100 0 2 /0 x L 
100 O 2 /0 x R 
100 G 2 /G l ... 
0c I 
100 Fmb/Fml 
100DI 
27 
26 
26 
26 
27 
26 
26 
17 
27 
27 
27 
2-50+ -23 
2- 51 + -23 
4- 19+ -39 
5- 05± -47 
4-78± -44 
A o 1 + oo 
3- 59+ -34 
4- 90 ± -57 
4- 58+ -42 
5- 79+ -53 
5-71+ -51 
3'27+ -30 
3- 37+ -32 
4- 08+ -38 
7- 89+ -74 
8- 56 ± -79 
4 DZt 40 
4-42+ -41 
6-92 ± -80 
6-83+ -63 
17-07+ -65 
13-75 + 1-24 
44 
43 
43 
38 
43 
\43 
30 
44 
41 
38 
76-15+ -34 
75-67+ -32 
100-72+ -54 
69-28+ -54 
54-93 ± -43 
85-23± -48 
74-80+ -75 
69-23+ -87 
81-16+ -74 
46-71 ± -82 
3 "38 + -24 
3- 07+ -22 
5- 28+ -38 
4- 96+ -38 
4-20± -31 
4-G5± -34 
6- 13+ -53 
8-53+ -61 
6- 99+ -52 
7- 49 ± -58 
4-44+ "32 
4- 06+ -30 
5- 24+ -38 
7-15+ -56 
7- 66 ± -56 
5-45 ± -40 
8- 20+ -72 
12-32+ '90 
8-61+ -65 
16-03±l-27 
19 
18 
18 
17 
18 
19 
9 
19 
18 
76 "43 
76-78 
99-68 
68- 20 
56-90 
85-17 
71-98 
69- 45 
84-67 
Wi 
Wo 
hx 
/ 
18 
21 
20 
22 
110-00+ -68 
90-05+ 1-05 
30-50+ -57 
44-27± -34 
4-25+ -48 
7-10+ -74 
3-78+ -40 
2-38+ -24 
3-86+ -43 
7-89+ -83 
12-38 + 1-34 
5-37+ -55 
9 
9 
9 
9 
106 33 
90 11 
28-11 
47-44 
