Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
"Them! the parent of this cross
I next also found she was on
the point of laying an egg it
being quite ready for the shell.
Heard the song of this bird to
day for the first time, it is loud
I own of the most faultlessly clear
that I know of: it consists of
a note of two syllables repeated
a number of times. The ordinary
call note is similarly repeated incessantly,
also a chatter precisely like Garden.
I was much pleased on crossing
a railroad bridge at perceiving
a pair of swallows which I instantly
recognized as C. purpurinus; they an
unmistakable flight over like
H. brisoi, the single note repeated at
rare interval & much harsher
& louder than C. riparia's. They had
evidently selected the stone abutment
under the bridge as a resting place
for they continually perched on &
out lighting on the projecting stones.
After watching them a long time
I shot both. Next I started a Sedgwick
from a gun while pursuing him
up a steep hill side, I heard
a song new to me, a strong clear
raspable with the most emphasis
on the last two syllables, like
whew whew see-der "altogether it
reminded one of R. maculosa's.
I soon discovered its author in
a beautiful & My vintained! In