--------------------+-----------------------------------
| Males
+--------+--------+---------+-------
|External|External| Module | Index
| length | breadth| (mean |L×100/B
| | |diameter)|
--------------------+--------+--------+---------+-------
11 groups: | | | |
Southwestern and| | | |
Midwestern | 5.56 | 6.66 | 6.11 | _83.5_
6 groups: | | | |
Northwestern | 5.63 | 6.61 | 6.12 | _85.1_
5 groups: | | | |
Northern Arctic | | | |
and | | | |
northeastern | 5.68 | 6.75 | 6.21 | _84.2_
--------------------+--------+--------+---------+-------
--------------------+-----------------------------------
| Females
+--------+--------+---------+-------
|External|External| Module | Index
| length | breadth| (mean |L×100/B
| | |diameter)|
--------------------+--------+--------+---------+-------
11 groups: | | | |
Southwestern and| | | |
Midwestern | 5.34 | 6.38 | 5.86 | _83.8_
6 groups: | | | |
Northwestern | 5.38 | 6.31 | 5.85 | _85.2_
5 groups: | | | |
Northern Arctic | | | |
and | | | |
northeastern | 5.37 | 6.28 | 5.83 | _85.6_
--------------------+--------+--------+---------+-------