690 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Aéronautes melanoleucus Hartert, Cat. Birds Brit. Mus., xvi, 1892, 459.— 
Satvin and GopmaN, Biol. Centr.-Am., Aves, ii, 1892, 368.—AnrHony, Zoé, 
iv, 1893, 237 (San Pedro Martir Mts., etc., and Coronados Islands, Lower 
California); Auk, xii, 1895, 139 (San Fernando, Lower California; breed- 
ing)—AMERICAN ORNITHOLOGISTS’ Union Commirrer, Auk, x, 1893, 62; 
Check List, 2d ed., 1895, no. 425; 3d ed., 1910, 201.—Bzrnopire, Life Hist. 
N. Am. Birds, ii, 1895, 185 Dawson, Wilson Bull., no. 10, 1896, 4 (Colum- 
bia R. gorge, Okanogan Co., Washington); Auk, xiv, 1897, 175 (Okanogan 
Co., Washington).—GRINNELL, Pub. 1, Pasadena Ac. Sci., 1897, 9 (San 
Nicolas I., California), 15 (San Clemente I., breeding); Pub. 2, 1898, 27 (Los 
Angeles Co., resident).—Cooxs, Bull. Col. Agr. Coll., no. 37, 1897, 86 (Colo- 
rado, breeding from 6,000 to at least 12,000 ft.) Merriam, North Am. Fauna, 
no. 16, 1899, 117 (Mt. Shasta, California) —Cary, Auk, xviii, 1901, 234 (Black 
Hills, Wyoming, breeding)—Osrruotser, Auk, xix, 1902, 300 (Chisos, 
Guadalupe, and Davis mountains, w. Texas).—Bamey (Florence M.), 
Handb. Birds W. U. S., 1902, 232; Condor, ix, 1907, 169-172 (Capistrano, 
San Jacinto Mts., s. California; breeding habits) Brewster, Bull. Mus. 
Comp. Zool., xli, 1902, 112 (Sierra de la Laguna, Lower California; crit., 
etc.) —Swartu, Pacific Coast Avif., no. 4, 1904, 16 (Huachuca Mts., Arizona; 
habits).—RicHarpson, Condor, vi, 1904, 135 (Piute Mts., Calif.)—Mownt- 
eomery, Auk, xxii, 1905, 14 (Green Gulch, Brewster Co., Texas).—KaEpine, 
Condor, vii, 1905, 134 (Guadalupe Island, flock, March 25).—Suarp, Condor, 
ix, 1907, 88 (San Diego Co., California, breeding) —Presiz, North Am. 
Fauna, no. 27, 1908, 390 (15 m. s. of Henry House, s. w. Alberta, 1 spec., 
July).—Ricnarpson, Condor, x, 1908, 66 (Santa Catalina Is., California). — 
Liyton, Condor, x, 1908, 84 (San Clemente I.), 127 (Santa Cruz I., Dec.).— 
Bowzes, Condor, x, 1908, 192 (Lake Chelan, Washington, breeding).— 
Hanna, Condor, xi, 1909, 77-81 (breeding habits, etc.; descr. nest and 
eges).—Wricut, Condor, xi, 1909, 100 (Coronados Islands, Lower Cali- 
fornia)—Brooxs, Auk, xxvi, 1909, 62 (Vaseux Lake, Okanogan Disir., 
Brit. Columbia).—VisHer, Auk, xxvi, 1909, 148 (badlands of w. South 
Dakota).—Krrmopez, Prov. Mus. Vict., 1909, 51 (Keremos and Okanogan, 
Brit. Columbia). 
A[eronautes] melanoleucus Ripaway, Man. N. Am. Birds, 2d ed., 1896, 303.— 
Harrert, Das Tierreich, Podarg., Caprim., Macropt., 1897, 83 
[Aéronautes] melanoleucus SHarpE, Hand-list, ii, 1900, 94. 
Genus PANYPTILA Cabanis. 
Panyptila @ CABANIS, Wiegm. Archiv fiir Naturg., xiii, 1847, 1, 345. (Type 
Hirundo cayanensis Gmelin.) 
Pseudoprocne StrevuBEL, Isis, 1848, 357. (Type, Hirundo cayanensis Gmelin.) 
Similar to Aéronautes, but with tail much more deeply forked 
(for at least half its length), the lateral rectrices attenuated, toes 
more densely feathered, and plumage of pileum and under parts soft 
and blended. 
Outermost (tenth) primary acuminate, shorter than ninth but 
longer than eighth; tail about half as long as wing, forked for half 
its length or more, the lateral rectrices attenuated terminally; tarsus 
much longer than anterior toes, very stout; middle and inner toes 
a “raylntiiog, gans befiedert, von zdvu, gar sehr, sehr viel, valde; ztédov, Gefieder.”’ 
(Cabanis.) 
