[62 mandibles, completion of milk dentition to eruption of second
permanent molar]
----------+-----------------+-------------+-------------+------------
|None or | Slight to | |
|indistinguishable| moderate | Medium | Pronounced
----------+-----------------+-------------+-------------+------------
Specimens | 47 | [169]10 | [170]5 |
Per cent | _75.8_ | _16.1_ | _8.1_ |
----------+-----------------+-------------+-------------+------------