BIRDS OF NORTH AND MIDDLE AMERICA 113 



Chondrohierax wilsoni Swann, Synop. Accip., pt. 3, 1922, 158; Bull. Brit. Orn. 



Club, xliii, 1923, 148 (crit.).— Barbour, Mem. Nuttall Orn. Club, No. 6, 



1923, 47 (e. Cuba).— Phillips, Verh. 6th Inteniat. Orn. Kongr., 1929, 517 



(e. Cuba; rare). — Bond, Birds West Indies, 1936, 70, 413 (e. Cuba; descr. ; 



crit.; local names). — Stresemann, Arch, fiir Naturg., n. f., ix, 1940, 144, in 



text (feeds on snails). — Barbour, Mem. Nuttall Orn. Club, No. 9, 1943, 



36 (Cuba). 

 Chondrohierax wilsonii Peters, Check-list Birds of World, i, 1931, 200 (distr.). — 



Friedmann, Jourii. Washington Acad. Sci., xxiv, 1934, 317 (key characters). — 



Bond, Check List Birds West Indies, 1940, 21 (e. Cuba); Proc. Acad. 



Nat. Sci. Philadelphia, xciv, 1942, 90 (formerly known as far west as Santa 



Clara, Trinidad); Check List Birds West Indies, ed. 2, 1945, 21 (very rare). 

 Cymindis magnirostris Cassin, Journ. Acad. Nat. Sci. Philadelphia, ser. 2, i, pt. 



1, 1847, 22 (new name for C. wilsonii Cassin). 

 Cymindis uncinalus (not Falco uncinatus Temminck) Lembeye, "Aves Cuba, 



Suppl. (1850)."— Brewer, Proc. Boston Soc. Nat. Hist., vii, 1860, 305 



(Cuba). 

 Regerhinus uncinatus Cabanis, Journ. fur Orn., 1854, p. Ixxx (Cuba). — 



GuNDLACH, Journ. fiir Orn., 1861, 402 (crit.), 

 Asturina Cinerea Lembeye, Mem. Real Soc. Econ. Habana, ser. 2, vi. No. 5, 



1849, 333 (Cienfuegos). 

 (?) Cymindis cayennensis Poet, Mem. Real Soc. Econ. Habana, ser. 2, vi, No. 2, 



1848, 100 (Cuba). 



Subfamily MiLVlNAE: True Kites 



= Milvinae Wetmore and Miller, Auk, xliii, 1926, 342. — American Orni- 

 thologists' Union, Check-list, ed. 4 1931, 63. — Peters, Check-list Birds of 

 World, i, 1931, 200.— Wetmore, Smiths. Misc. Coll., Ixxxix, No. 13, 1934, 34. 



<Ictininae Shufeldt, Ibis, 1891, 232 (for Ictinia only). 



<Ictiniae Ridgway, Proc. Boston Soc. Nat. Hist., xvi, 1873, 54. 



>Aquilinae Sharps, Hand-hst, i, 1899, 260 (includes Falconidae, Circaetinae, 

 Circinae, Elaninae, Perninae, and part of Buteoninae). 



>Milvinae Gurney, List Diurn. Birds Prey, 1884, 79 (includes Elaninae, 

 Perninae, and Gampsonyx) . 



>Milvidae Shufeldt, Ibis, 1891, 232 (includes Elaninae). 



<Rostrhaminae Shufeldt, Ibis, 1891, 232 {Rostrhamus only). 



Coracoids not overlapping at sternum; nasal septum incompletely 

 ossified; upper portion of anterior face of tarsometatarsus with no 

 bony ring, the posterior face with two processes, not fused into a ring; 

 outer (fourth) toe not reversible; the short basal joint of the second 

 toe permanently ankylosed with the joint next beyond it (peculiar to 

 Milvinae with the exception of Haliaetus in the Buteoninae) ; super- 

 ciliary process of lachrymal well developed; anterior ridge of palate 

 little, if at all, developed; palate desmognathous; the basipterygoid 

 processes poorly developed; claws graduated in size and flattened or 

 grooved beneath; deep plantar tendons of type III; tendons of biceps 

 not split; tensores patagii not peculiar; caeca minute; sides of head 

 densely feathered except around the eyes, which are overhung by a 

 bare superciliary shield and have a bare space beneath the lower lid, 



