BIRDS OF NORTH AND MIDDLE AMERICA. 61 



Mon. Hirund., 1894, 635, 653, part, pi. 125, upper fv^. only (^ young). — 

 Richmond and Knowltox, Auk, xi, 1894, 308 (Gallatin Valley, Montana, 

 Aug.). — McImvraith, Birds Ontario, 1894, 341 (Hamilton, breeding). — 

 PoRTKK, Auk, xii, 1895, 86 (Stamford, Connecticut, breeding). — W.vyxe, 

 Auk, xii, 1895, 184 (coast South Carolina, Dec. 22, 1894).— Faxon, Auk, xii, 

 1895, 392 (Berkshire Co., Massachusetts, breeding). — Ulrey and Wallace, 

 Proc. Ind. Ac. Sci., 1895, 155 (Wabash, Indiana).— Chubb, Auk, xiv, 1897, 

 408 (Greene and Ulster counties. New York, breeding). — Howe, Auk, xvii, 



1900, 389 (near Gales Ferry, Connecticut, breeding).— Hill, Auk, xix, 1902, 

 93 (New London, White R. Junction, Gales Ferry, near Norwich, Poquo- 

 nock, etc., Connecticut, breeding). — Rathbun (S. F. ), Auk, xix, 1902, 138 

 (Seattle, Washington, breeding). 



IStelgidoptenjx] serripennis Coues, Key N. Am. Birds, 1872, 114. — Sclater and 



Salvin, Nom. Av. Neotr., 1873, 15. 

 Stelgidopteryx ruficollis serripennis Bangs, Proc. New Engl. Zool. Club, ii, July 31, 



1901, 60 (descr.; crit.). — Grinnell (J.), Pacific Coast Avifauna, no. 3, 



1902, 61. 



Cotyle fuldpennis Sci.ATER, Proc. Zool. Soc. Lond., 1859, 364 (Jalapa, A^era Cruz, 

 Mexico; coll. P. L. Sclater; = young) ; Cat. Am. Birds, 1862, 41 (Jalapa). 



ICotile} fulripennis Gray, Hand-list, i, 1869, 73, no. 869. 



Stelgidopteriixfulvipennis Baird, Review Am. Birds, May, 1865, 316, part (Orizaba 

 and Jalapa, Vera Cruz). — Sumichrast, Mem. Bost. Soc. N. H., i, 1869, 547 

 (Vera Cruz). — Ferrari-Perez, Proc. U. S. Nat. Mus., ix, 1886, 139 (Jalapa, 

 Vera Cruz) . • 



[Stelgidopteryx'] fulvipennis Sclater and SaIjYH^, Nom. Av. Neotr., 1873, 15. 



Stelgidopteryx ruficollis fulripennis Bangs, Proc. New Engl. Zool. Clul), ii, July 

 31, 1901, 59, part (s. Mexico). 



(?) Cotyle flavigastra (not of Gray) Sclater, Proc. Zool. Soc. Lond., 1857, 212 

 (Orizaba, Vera Cruz). 



STELGIDOPTERYX RIDGWAYI Nelson. 

 YUCATAN ROUGH-WINGED SWALLOW. 



Similar to S. serripennis, but docidedl}^ larger, very ranch darker 

 a))ovc, and longest under tail-coverts with the expo-sed portion dusky 

 or l)lackish. 



Adults {sexes alike). — Above dark grayish l^rown or sooty (very much 

 darker than in S. serripennis) approaching clove ])rown on pileum, 

 the roniig(>s and rectrices sooty blackish; chin and throat pale brown- 

 ish gray or grayish white; chest, sides of breast, sides, flanks, axillars, 

 and under wing-coverts deeper l)rownish gray (darker than in .S*. ser- 

 r/pnni/x):, rest of under parts white, the exposed portion of two longest 

 under tail-coverts abruptly dark sooty or sooty blackish; bill black; 

 legs and feet dark brown color or ])rowiiish black. 



Young. — Similar to adults, but wing-coverts tipped and tertials 

 l)r()adly margined with dull rusty oi* cinnainoii. and sides of throat and 

 median portion of chest ligiit cinnamon or (lull cinnamon-buff, the 

 sides and llaidvs tinned with tlie same." 



« Described from a Guatemalan specimen in the collection of the Kent Scientific 

 Institute, (Jrand Kapids, ^lichiiian. A specimen from IMi-rida, Yucatan, in the 

 National Museum collection (m). 39264, A. Schott), is vitv similar. 



