Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History Library.
| www.biodiversitylibrary.org
Transcription
buds in the double side rows bear hair -
the single buds between center & side lines
has a hair - They There are 25-30 white hairs
on the extreme smooth tip of the mandible
symphysis.
The bunch of the chin is very prominent & about
7 inches high. its depression between it & the
symphysis is deep & in the bottom of this
depression there are six deep creases of
varying lengths. On the right ramus of
the mandible there are 4 flesh bundles of
varying sizes. 3 or 4 of them bearing valves.
In the median line the folds of the throat
become greatly narrowed and meet the bunch
of the chin in a series of Vs an inverted V
like this . This arrangement
of the folds in
these hummingbirds
the pectorals
the greatest
fold divides, & become much narrower.
The folds back of the pectorals are at
least twice as wide as those in
front of them - four folds on the
whole body run from snout to rump
without dividing 1 none of them except
a constant weld throughout their entire
extent - only 2 folds divide back of th