SHORT-LEGGED PEWEE FLYCATCHER. 301 



almost confident that none pass southward over our Atlantic districts, 

 and it would appear that they must advance along the eastern base of 

 the Rocky Moimtains, as I have not heard of their having been found 

 to the westward of that range. 



Tyrannula RrcHARDSONii, Swainso}i. Short-legged Pewit, Richards, and 

 Swains. Fauna Bor.-Amer., vol. ii. p. 146. 



Adult Male. Plate CCCCXXXIV. Fig. 5. 



Bill rather long, broad and depressed at the base, compressed to- 

 ward the tip, acute ; upper mandible with the dorsal line declinate and 

 slightly convex, the sides sloping and convex, the edges sharp, with a 

 slight notch, the tip declinate, very narrow, but abruptly terminated ; 

 lower mandible with the angle rather short and roimded ; the dorsal 

 line ascending and slightly convex, the back broad at the base, the 

 sides convex, the tip narrow, but rather obtuse ; the gape-line straight. 



Head of moderate size, ovate, depressed ; neck rather short ; body 

 slender. Feet short, rather slender ; tarsus shorter than the middle 

 toe and claw, compressed, with seven scutella, which almost entirely 

 svu-round it, leaving only a small interval on the inner side behind. 

 Toes rather short, slender, much compressed, the inner a little shorter 

 than the outer, the first and third nearly equal, including their claws. 



Plumage blended, soft ; feathers of the head erectile ; bristles at 

 the base of the bill long. Wings rather long, the third and fourth 

 quills longest, the second and fourth slightly shorter, and equal to each 

 other, the first intermediate between the sixth and seventh. Tail 

 emarginate, the middle feathers a quarter of an inch shorter than the 

 outer. 



Bill and feet black. Iris brown. The general colour of the upper 

 parts is olivaceous brown, the head and nape dark greyish-brown, the 

 wings and tail brown ; the secondary coverts tipped with brownish- 

 white, and the secondary quills externally margined with the same ; 

 the outer edges of the lateral tail-feathers pale brownish-grey. The 

 lower parts are light yellowish- grey, the sides and fore part of the breast 

 olivaceous grey, the abdominal feathers and lower tail-coverts ochra- 

 ceous. 



Length to end of tail 6^% inches ; bill along the ridge f^ ; wing 

 from flexure 3^ ; tail 2°^ ; tarsus |^ ; hind toe ||, its claw || ; middle 

 toe ||, its claw i^. 



