SCOLOPACIDrE — THE SNIPE FAMILY — ACTODROMAS. 
225 
B„ Size medium (wing less than 5.50 and more than 4.00). 
2. A. fuscicollis. Tail as in .4. Cooperi, but middle feathers slightly narrower at end and 
more projecting. Colors of adult as in A. Cooperi, but more tinged with light rufous 
on crown, back, and scapulars. Young : Back and scapulars mixed black and rusty, the 
feathers conspicuously bordered terminally with white ; upper tail-coverts white, in 
marked contrast with the dusky rump ; breast light grayish-brown, streaked with dusky, 
Wing, about 4.90 ; culmen, .90-1.00 ; tarsus, .95-1.00 ; middle toe, .70- 75. Bab. East- 
ern North America ; South America in migrations. 
3. A. Bairdi. Tail as in A. fuscicollis. Upper tail-coverts dusky, only the lateral ones whitish. 
Adult in summer : Back and scapulars black, irregularly variegated (spotted and edged) 
with dull buff. Jugulum white, streaked with dusky. Adult in winter : Above, nearly 
uniform grayish brown, tinged with clay-color ; jugulum and sides deeply suffused with 
clay-color or dirty buff, the former very indistinctly streaked. Young : Above, light 
huffy brown, streaked with dusky, the feathers of the back and the scapulars blackish, 
conspicuously bordered terminally with dull white ; wing-coverts dark grayish, also boiv 
dered terminally with white or light buff. Jugulum suffused with buff and indistinctly 
streaked. Wings, about 4.75-5.00 ; culmen, about .90 ; tarsus, .90 ; middle toe, .70. Bab. 
Western America, from the Arctic Regions to Patagonia; straggler in Eastern North 
America. 
4. A. maculata. Middle tail-feathers wedge-shaped at the end and projecting a quarter of 
an inch or more beyond the rest. Upper tail-coverts dusky, like the rump, the outer 
feathers whitish, marked with dusky. Jugulum and breast light clay-color, streaked 
with dusky. Adult: Above, without white markings. Young: Scapulars bordered termi- 
nally with white. Wing, about 5.00; culmen, 1.10; tarsus, 1.00-1.10; middle toe, .90. 
Hah. America in general, breeding in the Arctic Regions. 
5. A. acuminata. Similar to A. maculata , but with the middle tail-feathers still narrower 
and more pointed, the bill smaller, the jugulum and breast scarcely streaked ; lower tail- 
coverts marked with shaft-streaks of dusky (entirely absent in maculata ) ; pileurn deep 
rusty, in strong contrast. Adult : Upper parts brownish gray, the feathers marked 
centrally with blackish ; jugulum and breast pale grayish buff, very sparsely streaked ; 
pileurn cinnamon-brown, streaked with blackish. Young : Above, rusty fulvous, the 
feathers of the back and the scapulars black centrally, the larger feathers edged termi- 
nally witK white ; pileurn bright rusty rufous, in very sharp contrast with a whitish 
superciliary stripe, and streaked with black ; throat immaculate white ; jugulum and 
breast deep rusty ochraceous, the former narrowly streaked anteriorly. Wing, about 
5.00 ; culmen, scarcely 1.00 ; tarsus, 1.20 ; middle toe, .85. Hab. Australia, etc. ; abun- 
dant in autumn on coast of Alaska. 
C. Size very small (wing less than 4.00). 
6. A. minutilla. Middle tail-feathers slightly projecting, narrow and somewhat pointed at 
end in summer, broader and rounded in winter plumage. Upper tail-coverts black- 
ish, the lateral ones w’hite, marked with dusky. Adult in summer : Back and scapu- 
lars black, the feathers bordered and irregularly barred with rusty ochraceous ; tertials 
bordered with the same. Jugulum dull white, streaked with dusky. Adult in winter: 
Above, uniform brownish gray, the feathers with indistinct dusky mesial streaks, most 
distinct on the back. Jugulum pale grayish, indistinctly streaked. Young: Similar to 
the adult in summer, but the scapulars and exterior feathers of the back bordered termi- 
nally on outer webs with white, and lacking the concealed ochraceous bars. Jugulum 
very indistinctly streaked, as in the winter plumage. Ilah. North America, migrating 
into South America in winter. 
vol. i. — 29 
