462 



claws very slight curved, remarkably bluut, light-colored. Tarsi covered 

 chiefly with hexagonal scutelhie, its lower portion with a frontal series of 

 about 3-6 large transverse plates, the iiosterior face with a longitudinal 

 series of scales rather larger than the smaller ones in front. 



The genus Fhalcobccnus comprises two well-marked subgenera, dis- 

 tinguished as follows : 



a. Frontal feathers (of adult) recurved, very soft, lanceolate; loral and 

 maxillary regions naked; fore neck feathered. In the adult, the 

 abdomen, anal region, crissum, upper tail-coverts, and lining of the 

 wing white; secondaries and tail tipped with white; other parts deep 

 black Fhalcodwnus. 



i3. Frontal feathers pointed backward (normally), stiff' and lanceolate; 

 lower jaw and lores densely covered with strong bristles ; fore neck 

 naked. In the adult, abdoipen and anal region ochraceous; cris- 

 sum and upper tail-coverts black ; lining of the wing and tibas black 

 mixed with ochraceous; breast and nape longitudinally streaked 

 with ding}' whitish; secondaries not tipped with white Senex. 



Species of Phalcob.enus. 



A. — SJdn of lower jaw developed into a slightly pendant wattle. 



1. P. CARUNCULATUS. — Jngulum and breast black, with broad, 



longitndinal streaks of white. Wing, 14.70; tail, 9.00; cul- 

 nien, 1.25 ; tarsus, 2.80 ; middle toe, l.GO. Hab. — Ecuador and 

 New Granada. 



B. — Sidn of loiver jaw not developed into a icattle. 



2. P. MEGALOPTERUS. — Jugulum and breast black, without white 



streaks. Wing, 11.20-16.00; tail, 9.20-10.00; culmen, 0.95- 



1-.20; tarsus, 3.05-3.60; middle toe, 1.50-1.70. ^aZ>.— Chile, 

 Bolivia, and Peru (Pacific slope). 



3. P. ALBiGULAHis. — Jugulum and breast white. Wing, 15.00 ; 



tail, 9.30; culmen, 1.G5 ; tarsus, 3.10. Rah. — Patagonia (Santa 

 Cruz). 



PHALC0BJ5NUS MEGALOPTERUS. 



AquUa megaJopiera Meyen, Beilr. 1834, 64, pi. 7. 



Milvaf/o megalopterus Gould & Darw. Zool. Beaofle, 1841, 13. — Gray, List. B. Br. 



Mils. 1848, 30; Haud-List, i, 1869, .5.— Strickl. Om. Syu. i, 1855, 21.— ScL. P. 



Z. S. 1858, 549 (Ecuador).— Scl. & Salv. P. Z. S. 1863, 569 (Peru) ; ib. 1869, 



155 (Tiuta, Peru) ; Nom. Neotr. 1873, 122. 

 Polyborus megalopterus Cab. «feTsciiUDi, F. Per. 1845, 16, 78. — Laer. E. Z. 1849, 99. — 



SCHLEG. Mus. P. B. (Polybori) 1862, 4. 

 Phalcohcenus megalopterus Boxap. Cousp. i, 1850, 13. — Gurney, Cat. Eapt. Norw. 



Mus. 1864, 24.— EiDGW. Cat. Falc. Mus. Boston Soc. 1873, 10. 

 Ihycter megalopterus Sharpe, Cat'. Ace. B. M. 1874, 36. 

 PhalcohwHus montanus d'ORB. Voy. Am. Merid. Ois. 1835, 51, pi. 2 ; Synop. At. Mag. 



Zool. 1838, 2.— Bridg. P. Z. S. pt. 11, 103; Ann. N. H. xiii, 499.— Lafr, R. Z. 



1345, 91. 

 Milvago montanus Darw. Voy. Beagle, Birds, 1841, 13. — Gray, Gen. fol. 1844, s^i. 5. — 



Pelz. Verb. z.-b. Ges. Wien, 1862, 135. 

 Folyhorus montanus TsciiUDi, Consp. Wiegm. Arch. 1844, 263; F. P. 1844, 16, 78.— 



Lafr. E. Z. 1849, 99. 

 Milvago crassirostris Pelz. Sitz. Akad. Wien, xliv, 1862, 7; Orn. Novara, 1865, 3, pi. 1. 



Hal). — Pacific slope in Chile, Bolivia, and Peru. 



