Of the eight sub-families into which the Nymphalidae are divided four, viz.
It is not a long step to the sub-families Diplocardiinae and Trigastrinae.
Finally, we have the largest of all the sub-families of this family, viz.
In the first of these sub-families the tail is smooth, or unarmed, and in the second it is spinous.
The first of the sub-families includes the monkeys ...