SCOLOPACID.E — THE SNIPE FAMILY ^ ACTODROMAS. 225 



B. Size iiiedinm fwiiig less than 5.50 and more than 4.00). 



2. A. fuscicollis. Tail as in A. Gooimi, 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 ; ujjper 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 ; tarsu.s, .95-1.00 ; middle toe, .70-.75. IJab. 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 ill 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 l)uir, the former very indistinctly streaked. Youn(/ : Above, liglit 

 buffy brown, streaked with dusky, the feathers of the back and the scapulars blackish, 

 conspicuously bordered terminally witli dull white ; wing-coverts dark grayi.sh, also l)or- 

 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. Hub. 

 Western America, from the Arctic Eegions to Patagonia; straggler in Eastern Ncn-th 

 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) ; j'ileum deep 

 rusty, in strong contrast. Adult : Upper parts brovvni.sh gray, the feathers marked 

 centrally with blackish ; jugulum and breast pale grayish buff', very sparsely streaked ; 

 pileum cinnamon-brown, streaked with blackish. Young : Above, rusty fulvous, the 

 feathers of the back and the scapulars black centrally, the larger featliers edged termi- 

 nally with white ; pileum bright rusty rufous, in verj'^ sharp contrast with a whitish 

 superciliary stripe, and streaked with black ; throat immaculate white ; jugulum and 

 breast deep rusty ochraceous, the former narrowly sti-eaked anteriorly. Wing, abou' 

 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 white, 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, tlie 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. Hob. North America, migrating 

 into South America in winter. 



VOL. I. — 29 



