BIRDS OF NORTH AND MIDDLE AMERICA. 681 



Am. Fauna, no. 21, 1901, 80 (near Hope, Kenai Peninsula, Alaska). — 

 Bailey (Florence M.), Handb. Birds W. U. S., 1902, 432. 



lOinclus] mexicanus Coues, Key N. Am. Birds, 1872, 77. 



Clindus] mexicanus Henshaw, Orn. Eep. Wheeler's Surv., 1879, 287 (e. slope 

 Sierra Nevada; habits). — Coues, Key N. Am. Birds, 2d ed., 1884, 255, part; 

 5th ed., i, 1903, 260, part.— Ridq way, Man. N. Am. Birds, 1887, 538, part. 



[Oinclus mexicanusi var. mexicanus Baied, Beeweb, and Eidgway, Hist. N. Am. 

 Birds, i, 1'874, 56, part. 



Oinclus meoncana Allen, Am. Nat. , v, 1872, 396. 



Hydrobata mexicana Baied, Rep. Pacific E. E. Surv., ix, 1858, 229; Cat. N.Am. 

 Birds, 1859, nq. 164.— Hbnky, Proc. Ac. Nat. Sci. Phila., xi, 1859, 106 (New 

 Mexico).— Xantus, Proc. Ac. Nat. Sci. Phila., xi, 1859, 190 (Fort Tejon, 

 California). — Coopee and Suckley, Eep. Pacific E. E. Surv., xii, pt. ii, 

 1860, 175 (localities in Washington; habits; descr. nest). — Blakiston, Ibis, 

 1863, 60 (Athabasca E.).— Beown, Ibis, 1868, 420 (Vancouver I.).— Dall 

 and Bannister, Trans. Chicago Acad. Sci., i, 1869, 277 (Nulato, Alaska, 

 Jan., Feb., Mar.).— Aiken, Proc. Best. Soc. N. H., xv, 1872, 194 (Sherman, 

 Wyoming ) . 



[IIydrohata'\ mexicana Geay, Hand-list, i, 1869, 267, no. 3905, part. 



Oinclus unicolor Bonaparte, Zool. Journ., iii, 1827, 52, in text (Lake Athabasca, 

 Athabasca a); Geog. and Oomp. List, 1838, 18; Consp. Av., i, 1850, 252. 



Hlydrohaial unicolor Gray, Gen. Birds, i, 1846, 215. 



Oinclus americanus Swainson, Fauna Bor.-Am., ii, 1831, 173 (Eocky Mts., British 

 America). — Nuttall, Man. Orn. U. S. and Can., i, 1832, 569. — Audubon, 

 Orn. Biog., iv, 1838, 493; v, 1839, 303, pis. 370, 435; Synopsis, 1839, 86; 

 Birds Am., oct. ed., ii, 1841, 182, pi. 137. — Gambel, Proc. Ac. Nat. Sci. 

 Phila., iii, 1846, 114 (Eocky Mts.).— McCall, Proc. Ac. Nat. Sci. Phila., v, 

 1851, 216 (Texas).— Heermann, Journ. Ac. Nat. Sci. Phila., ii, 1853, 264 

 (California; habits); Eep. Pacific E. E. Surv., x, 1859, 44 (n. California; 

 Tejon Pass, s. California) . — Henry, Proc. Ac. Nat. Sci. Phila., vii, 1855, 310 

 (New Mexico). — Newbbkby, Eep. Pacific E. E. Surv., vi, 1857, 80 (Cascade 

 Mts., Oregon; habits). 



[Indus'] americanus Gambel, Journ. Ac. Nat. Sci. Phila., ii, 1847, 43 (Eocky 

 Mts.). 



Oinclus morioTO Townsbnd, Narrative, Apr., 1839, 339 (" near Fort McLoughlin, on 

 the n. w. coast of America, in latitude about 49° N. ;" cites Audubon's Birds 

 of America, iv, pi. 435). 



Oinclus townsendi "Audubon" Townsend, Narrative, Apr., 1839, 340 (vicinity of 

 Fort Vancouver, Washington). 



CINCLUS ARDESIACUS Salvin. 

 COSTA RIOAN DIPPER. 



Similar to C mexicanus, but smaller, with general color lighter and 

 . clearer gray, head less brown, and young with under parts mostly 

 white. , 



Adults {sexes alike). — Pileum and loral region brownish slate color; 

 rest of upper parts plain slate-gray, gradually shading on hindneck 

 into the darker and browner color of pileum; larger wing-coverts, 



a "Inhabits near the Rocky mountains, on the Athapescow Lake, probably [also] 

 northeastern Asia." 



