420 BULLETIN" 50, UNITED STATES NATIONAL MUSEUM. 



Megaceryle alcyon Goode, Bull. U. S. Nat. Mus., no. 20, 1883, 327, part. 



Ceryle (Megaceryle) alcyon Baird, Kep. Pacific R. R. Surv., ix, 1858, p. xxix, part. 



[Streptoceryle] alcyon Bonaparte, Ateneo Italiano, ii, 1854, 320 (Consp. Volucr. 



Anisod., 1854, 10). — Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 



165 (Jalapa). 

 S[treptoceryle] alcyon Cabanis and Heine, Mus. Hein., ii, 1860, 151 (Jalapa). 

 {?)Streptoccryle alcyon Cabanis, Joiu-n. fiir Orn., 1861, 162 (Costa Rica). 

 Chloroceryle alcyon Sclater, Cat. Am. Birds, 1862, 264 (Eastern United States). 

 (?)Alcedo guacu YiEiLLOT, Nouv. Diet. d'Hist. Nat., xix, 1818, 406 ("Brazil"). 

 Alcedo jaguacati Dumont, Diet. Sci. Nat., i, 1816, 455 (Hudson Bay to Brazil; 



based on PI. Enl. 593 and 715). 

 [Megaceryle] domingensis Reichenbach, Handb., Alced., 1851, 24, pi. 410, fig. 



3105. 

 Ispida ludovidana Gmelin, Syst. Nat., i, pt, 1, 1788, 452 (Based on Martin- 



pecheur de la Louisiana Daubenton, PI. Enlum. no. 715; Crab Catcher Sloan, 



Jam. ii, p. 313, no. 54, pi. 55, fig. 3). 



STREPTOCERYLE ALCYON CAURINA (Grinnell). 



WESTERN BELTED KINGFISHER. 



Similar to S. a. alcyon, but averaging decidedly larger (except feet), 

 and wing-tip relatively longer. 



Adult male.— Ijength (skins), 284-320 (306); wing, 159-169 (163.1); 

 tail, 88-96.5 (92.1); exposed culmen, 55-64 (59.3); tarsus, 11-12.5 

 (11.4); middle toe, 14-16 (15.4).« 



Adult female.— Length, (skins), 290-330 (315); ^ving, 159-169.5 

 (165.5); tail, 88-101 (93.3); exposed culmen, 53-71 (59.6); tarsus, 

 10.5-12 (11.4); middle toe, 15.5-17 (16.2).^ 



Western North America, east to and including Rocky Mountains; 

 north to northern Alaska (valleys of Kowak and Yukon Rivers, 

 shores of Norton Sound, etc.) and Yukon Territory (Yukon Valley); 

 south to western Mexico, in States of Lower California (said not to 

 breed in Cape San Lucas district), Sonora, Chihuahua (Chihuahua 

 City, March, October), Sinaloa (IMazatlan, resident?), Tres Marias 

 Islands (resident?) and Durango (ChacaM, February). 



Alcedo alcyon (not of Linnaeus) Audubon, Orn. Biog., i, 1831, 394, part; Synopsis, 

 1839, 173, part; Birds Am., oct. ed., iv, 1842, 205, part. — Pallas, Zoogr. 

 Rosso-As., i, 1831, 437 (North. Pacific Russian Islands and western shores of 

 Arctic America). — ^Vigors, Zool. Beechey's Voy., 1839, 16 (San Francisco, 

 California). — Schalow, Joum. fiir Orn., 1891, 257 (Sitka, Alaska). 



Ceryle alcyon Cassin, lUustr. Birds Calif., Tex., etc., 1856, 254, part. — ^Baird, 

 Rep. Pacific R. R. Surv., ix, 1858, 158, part (Alaskan, Wash., Calif., and 

 NewMex., localities; crit.); Cat. N. Am. Birds, 1859, no. 117, part. — Cooper 

 and Suckley, Rep. Pacific R. R. Surv., xii, pt. ii, 1860, 167 (Washington; 

 Oregon). — D all and Bannister. Trans. Chicago Ac. Sci., i, 1869, 275 (Sitka; 

 Yukon Valley, up to Fort Yukon; habits).— Cooper, Orn. Calif., 1870, 337.— 

 FiNSCH, Abh. Nat. Ver. Brem., iii, 1872, 29 (Alaska). — Grayson, Proc. 

 Bost. Soc. N. H., xiv, 1872, 71 (Tres Marias Islands).— Coues, Check List, 

 1873, no. 286, part; 2d ed., 1882, no. 382, part; Birds Northwest, 1874, 372, 



a Eighteen specimens. ^ Fifteen specimens. 



