658 U Ss. P. R. R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
inhabiting North America is readily distinguishable by its smaller size, although the bill is of 
the same length. There is much more of the white streaks throughout. These in scolopaceus are 
confined to the head and neck, and indeed not seen at all on the crown and the lower part of 
throat. A few concealed streaks may be found on the jugulum and middle line of the belly, 
but they are not conspicuous. In the other bird, all the small feathers show streaks of white, 
except on the lower part of back, rump, and crissum, and including the jugulum and top of 
head. The dark colors of the Florida bird are lighter, with less of the chocolate brown shade. 
Mr. Audubon appears to figure the true South American species, A. scolopaceus, although 
describing A. giganteus as the young. There is nothing to show that the original of his figure 
was taken in Florida, 
Measurements. 
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