BIRDS OF NORTH AND MIDDLE AMERICA. 4:97 



longitudinally broadly oval, maririncd above and behind by rather 

 broad membrane. Rictal bristles very strongly developed, about half 

 as long as bill, the feathers of chin and frontal antise with distinct bristly 

 tips, and a tuft of stifT antrorse bristles at malar apex. Wing long and 

 pointed, the longest primaries exceeding secondaries by nmch more 

 than length of tarsus; eighth and ninth, or seventh, eighth, and ninth 

 primaries longest, the tenth (outermost) equal to or longer than fifth. 

 Tail about six-sevenths to twelve-thirteenths as long as wing, deeply 

 emarginate, strongly divaricate. Tarsus one-fifth to a little more than 

 one-sixth as long as wing, slender, its scutellation quasi-holaspidean, 

 the outer edge of the acrotarsium not reaching to the posterior edge of 

 the tarsus (except sometimes for a very short distance below middle 

 portion), the posterior portion, especially above the middle, being 

 occupied by a series of distinct longitudinal scutella, which sometimes 

 do and sometimes do not meet the inner edge of the acrotarsium"; 

 middle toe, without claw, more than half as long as tarsus, but decid- 

 edly shorter than exposed culmen, its basal phalanx almost wholly 

 united to outer toe, about half united to inner toe ; outer toe, without 

 claw, reaching to beyond mi(klle of subterminal phalanx of middle toe, 

 the inner toe slightly shorter; hallux about equal to inner toe, decid- 

 edly stouter, its claw shorter than the digit; all the claws rather 

 strongly curbed, very sharp, much compressed. 



Coloration. — Above plain cinnamon-olive to greenish olive, the 

 ])ileum, including pointed crest, more brown or dusky; wings dusky, 

 with two light brownish or fidvous bands; under parts ochraceous or 

 tawny, paler posteriorly, the abdomen sometimes yellov/ish. 



Nidification. — (Unknown ?) 



Range. — -Mexico to Peru. (Five species.) ^ 



o Occasionally the tarsal scutella are so nearly fused that this series of scutella is not 

 very distinctly defined , hut usually they are very obvious. The series does not extend 

 the full length of the tarsus, liut is interrupted by at least a part of one of the acrotarsial 

 scutella which extends entirely across the outer side of the tarsus. This same arrange- 

 ment of the tarsal envelope is seen, but developed to a less degree, in some species of 

 Blacicus, Myiochanes, and other genera, and is a decided step toward the holaspidean 

 tarsal envelope of some genera of alleged Cotingidse, showing how precarious the char- 

 acter really is as the main basis of family distinction. 



b The three extralimital species, of which I have not seen specimens, are the fol- 

 lowing: 



(1) Milrcphorus ochraccitrntris Cabanis, Journ. fin- Orn., 1873, 320 (Maraynioc, 

 centr. Peru; coll. Berlin Mus.); Taczanowski, Proc. Zool. Soc. Lond., 1874, 538 (Maray- 

 nioc); Orn. du Perou, ii, 1884, ^15.—Mitrcpha7U's ochraccirentris Sclater, Cat. Birds Brit. 

 Mus., xiv, 1888, 220; Berlepsch and Stolzmann, Proc. Zool. Soc. Lond., 1896, 367 

 (Maraynioc centr. Peru). 



i (2) Mitrei)hanesolivaceusJiev\e-pschand Stolzmann, Ibis, Jiily, 1894, 391 (Garita del 

 Sol, c. -central Peru; coll. Count von Berlepsch). 



(3) Mitrcphanes bcrlepscM Hartert, Novit. Zool., ix, Dec, 1902, 60S i^Bulun, n. Ecua- 

 dor; coll. Tring Mus.?). 



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