BIRDS OP NORTH AND MIDDLE AMERICA. 421 



part. — Sharpe, Mon. Alced., 1871, 79, part; Cat. Birds Brit. Mus., xvii, 1892, 

 125, part (western localities). — Lawrence, Mem. Best. Soc. N. H., ii, 1874, 

 289 (Mazatlan, Sinaloa, and Tres Marias; resident). — ^Henshaw, ZooI. Exp. 

 W. 100th. Merid., 1875, 366. — ^Baikd, Brewer, and Ridgwat, Hist. N. Am. 

 Birds, ii, 1874, 392, part.— Ridgway, Om. 40th Parallel, 1877, 545 (Truckee 

 River, Nevada; Parleys Park, Utah); Proc. U. S. Nat. Mus., iii, 1880, 190, 

 part; Nom. N. Am. Birds, 1881, no. 382, part. — ^Nelson, Cruise of 'Oorwin' 

 in 1881 (1883), 75 (shores of Norton Sound, Alaska); Rep. Nat. Hist. Coll. 

 Alaska, 1887, 155 (lower Yukon Valley, etc.). — Salvin, Proc. Zool. Soc. Lond., 

 1883, 426 (Esquimault, Brit. Columbia).— Hartlaub, Joum. ftir Om., 1883, 

 265 (Portage Bay, Chilcat, Departure Bay, and Sitka, Alaska; Vancouver I.).— 

 McLbnbgan, Cruise of 'Corwin,' 1884, 117 (Kowak R., n. Alaska); 1885 

 (1887), 77 (Kowak R.).—TowN8BND, Cruise of 'Corwin' in 1885 (1887), 92 

 (upper and middle Kowak R., breeding). — ^Turner, Contr. Nat. Hist. Alaska, 

 1886, 165 (Yukon Valley). — ^American Ornithologists' Union, Check 

 List, 1886, no. 390, part; 2d ed., 1895, no. 390, part; 3d ed., 1910, 183, part.— 

 Saivin and Godman, Biol. Centr.-Am., Aves, ii, 1695, 472, part (Tres Marias; 

 Zapatlan, Jalisco; Guanajuato?; Valley of Mexico?). — Grinnbll, Pacific 

 Coast Avifauna, no. 1, 1900, 40 (Kowak R., May-Sept.). — ^Henshaw, Birds 

 Hawaiian Islands, 1902, 77 (Hakalau, 1 pair, Nov., 1901). — Brewster 

 Bull. Mus. Comp. Zool., xU, 1902, 102 (Cape district. Lower Califomia, 

 autumn, winter, and spring only; crit.). — Bailey (Florence M.) Handb. 

 Birds W. U. S., 1902, 198, part.— Osgood, North Am. Pauna, no. 24, 1904, 

 70 (Kakhtul R., Alaska Peninsula). — Clark, Proc. U. S. Nat. Mus., xxiviii, 

 1910, 60 (Dockton, Washington; Union Bay, Vancouver I.). 



[Ceryk] alcyon Coubs, Key N. Am. Birds, 1872, 188, part. — Sharpe, Hand-list, 

 ii, 1900, 50, part. 



Cleryle] alcyon Cotjes, Key N. Am. Birds, 2d ed., 1884, 470, part. — Ridgway, 

 Man. N. Am. Birds, 1887, 279, part. 



Ceryle {Megaceryle) alcyon Baird, Rep. Pacific R. R. Surv., ix, 1858, p. xxix, part. 



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



Ceryle alcyon caurina Grinnell (J.), Univ. Calif. Pub. Zool., v, no. 12, March 5, 

 1910, 388, fig. 4 (Montague I., Prince WiUiam Sound, Alaska; coll. Mus. 

 Univ. Calif.).— SwARTH, Univ. Calif. Pub. Zool., vii, 1911, 66 (Boca de 

 Quadra, Chickamin R., Bradfield Canal, MUkof I., and Thomas Bay, s. 

 Alaska); Univ. Calif. Pub. Zool., x, 1912, 32 (crit.; measurements). 



Genus CHLOROCERYLE Kaup. 



CMoroeeryle Kaup, Verh. naturhist. Vereins Hessen, ii, 1848, 68 (Fam. Eisv., 



1848, 8). (Type, Alcedo superdliosa Linnseus.) 

 Amazonis (not Amazona Lesson, 1830) Rbichenbach, Handb., Alcedin., 1851, 28. 



(Type, Alcedo superdliosa LinnaBus.) 



Medium-sized to very small Alcedinidae (length about 125-275 mm.) 

 with the exposed culmen more than half as long as wing, ninth primary 

 shorter than seventh, and color of upper parts metallic green. 



Bill much longer than head, rather slender, its depth at middle 

 of nostrils equal to much less than one-fourth (usually less than one- 

 fifth) the length of exposed culmen and much greater than its width ' 

 at same point; culmen nearly straight for most of its length, sUghtly 

 convex terminally, the basal portion (mesorhinium) slightly but 

 distinctly elevated, more or less distinctly (but not sharply) ridged, 



