BIRDS OF NORTH AND MIDDLE AMERICA. 421 



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

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

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

 W. 100th Merid., 1875, 366. — Baird, Brewer, and Ridgway, Hist. N. Am, 

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

 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 'Corwin' 

 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. fiir Om., 1883, 

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

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

 (1887), 77 (Kowak R.).—TowNSEND, Criiise 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.— 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1895, 472, part (Tres Marias; 

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

 Coast A\dfauna, no. 1, 1900, 40 (Kowak R., May-Sept.).— Henshaw, Birds 

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

 Bull. Mus. Comp. Zool., xli, 1902, 102 (Cape district, Lower CaUfomia, 

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

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

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

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



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

 ii, 1900, 50, part. 



C[eryle] alcyon Coues, 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 Goode, 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 William Sound, Alaska; coll. Mus. 

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

 Quadra, Chickamin R., Brad field Canal, Milkof I., and Thomas Bay, s. 

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



Genus CHLOROCERYLE Kaup. 



Chloroceryle Kaup, Verh. naturhiat. Vereins Hessen, ii, 1848, 68 (Fam. Eisv., 



1848, 8). (Type, Alcedo superciliosa Linnaeus.) 

 Amazonis (not A)nazona Lesson, 1830) Reichenbach, Handb., Alcedin., 1851, 28. 



(Type, Alcedo superciliosa Linnseus.) 



Medium-sized to very small Alcedinidse Gength about 125-275 mm.) 

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

 shorter than seventh, and color of upper parts metaUic 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, shghtly 

 convex terminally, the basal portion (mesorhinium) slightly but 

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



