1910-11.] Observations on Australian Aboriginal Crania. 
13 
Table II. — The Variability of the Australian Crania. 
78 Males. 
Standard 
Coefficient of 
Deviation. 
Variation. 
Length .... 
183*56 ±-567 
7-42 ± -401 
4-04 ±-218 
Breadth .... 
130-60 ±-368 
4-82 ±-260 
3-69 ±-200 
Height .... 
131-13 ±-423 
5*54 ±-299 
4-23 ±'228 
100 B/L .... 
71"29± '245 
3-21 ±*173 
4-51 ± -244 
100 H/L . 
71-50 ±-259 
3 39± *183 
4-74 ±-256 
100 H/B . 
100-50 ±-352 
4-61 ±-249 
4-59 ±-248 
22 Females. 
Length . 
175-59 ±-680 
4-73 ± -481 
2-69 ±-274 
Breadth .... 
128-73 ±-555 
3-86 ±-392 
3-00 ±-305 
Height .... 
124-50 ±-870 
6-05 ±-615 
4-86 ±-494 
100 B/L . 
73-36 ±-439 
3-05 ±-310 
4-16 ±-423 
100 H/L .... 
70-95 ±-551 
3-83 ±-389 
5-40 ±-549 
100 H/B .... 
96-64 ±-692 
4-81 ± -489 
4-98 ±-506 
100 Unsexed. 
Length .... 
181-81 ±-517 
7-67 ±-366 
4-22 ±-202 
Breadth .... 
130-19 ±-316 
4-69 ±-224 
3-60 ±‘172 
Height .... 
129-67 ±‘424 
6-29 ±330 
4-86 ±-232 
100 B/L . 
71-75 ±-222 
3-29±-157 
4-59 ±-212 
100 H/L .... 
71 -38 ±-236 
3-50 ±-167 
4-90 ±-234 
100 H/B .... 
99-65 ± -333 
4-94 ±-236 
4-96 ±237 
