236 Proceedings of the Biological Society of Washington. 



Description. — Type, No. 42,099, Field Museum of Natural History, fe- 

 male, taken on Porto Rico, October 29 1888, by C. P. Streator (in fall plum- 

 age): 



Feathers of crown (save in center) and upper hind-neck gray, vermicu- 

 lated and stippled with dusky and cinnamon-rufous, with shaft streaks of 

 black edged narrowly with cinnamon-rufous ; center of crown with feathers 

 broadly black with narrow marginal spots and broken bars of cinnamon- 

 rufous; a small spot of white on lores; sides of head and auricular region 

 blackish, mixed with cinnamon-rufous ; feathers of lower hind-neck barred 

 obscurely with narrow lines of black and cinnamon-rufous, a few feathers 

 having small terminal spots of pale ochraceous-buff , these forming an indi- 

 cation of a broken band ; feathers of back with broad irregular markings of 

 black along the shaft and the remainder of the web finely stippled with black 

 and cinnamon-rufous ; tertials with bold irregular, partly concealed spots of 

 black near the tips, elsewhere vermiculated with dusky and cinnamon-rufous, 

 becoming paler toward the base where the prevailing color is grayish white; 

 feathers of rump and upper tail-coverts with heavy, somewhat broken black 

 streaks along shaft, elsewhere vermiculated with black, pale ochraceous- 

 buff and cinnamon-rufous; upper surface of rectrices with narrow, indis- 

 tinct, broken cross-bars of dull black that do not extend out to margin, stip- 

 pled and lined elsewhere with blackish, pinkish cinnamon and light ochra- 

 ceous-buff; three outer rectrices tipped rather narrowly with light ochra- 

 ceous-buff, the broadest of these pale tips measuring 6 mm. long; lesser, 

 median, and greater wing-coverts black, stippled heavily with cinnamon- 

 rufous, with two rather indistinct bars of light buff, formed by pale tips on 

 lesser and median coverts; primaries blackish with numerous spots of ochra- 

 ceous-salmon along inner and outer webs, these spots changing to an ob- 

 scure stipple distally on the inner webs; outer webs margined narrowly for 

 distal one-third with light buff; secondaries blackish, washed and stippled 

 with grayish-white, ochraceous-salmon and light ochraceous-buff; throat 

 black above with narrow, obscure cross-bars of cinnamon-rufous, below 

 crossed by a broad, obscurely delimited band of pale ochraceous-buff, with 

 each feather barred more or less prominently with black ; feathers of upper 

 breast with shaft streaks and narrow obscure crossbars of black, stippled 

 heavily at the ends with cinnamon-rufous, each feather tipped with black ; 

 lower breast similar, but with prominent scattered spots of cartridge buff, 

 obscured by faint vermiculations of dusky; feathers of abdomen, sides and 

 flanks cartridge buff, washed with tawny, spotted and barred irregularly 

 with dusky and dull black; under tail-coverts dull pale ochraceous-buff, 

 barred with black; under surface of rectrices dusky, with mottlings of light 

 ochraceous-salmon arranged to indicate faintly, lighter bars; feathers on 

 front of tarsus dull cinnamon-rufous, barred with black; under wing-coverts 

 light ochraceous-salmon barred with black; bill dusky; hind surface of tarsus 

 light brown; toes dull brown; claws black (from dried skin). 



Measurements (of type). — Wing 135 mm.; tail 112; exposed culmen 11; 

 tarsus 16.3; middle toe without claw 16. 



Range. — Porto Rico. (Locality where type was taken not more definitely 



