Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
148
The top of head is straight, then
the dip at base of skull in both
orientations—line or four small
crenulations behind "hump" on
dorsal ridge. Humps like this
There is a prominent
swelling at the head
at eye—the mother's like
this (drawing)
From a little below line from
eye to ex of head the lower half
of head (or upper jaw) is ridge shaped.
Roughly this is shape of cross section of
head at extremity.