512 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



[Sjilrla'] caroUncnm Latham, Index Om., ii, 1790, 551 (= young; based on Fiijuier 

 de la Caroline Daubenton, PI. Enl., pi. 58, fig. 1). 



lMotacilla~\ carolinensis TvRiOi^, Syst. Nat., i, 1806, 615/ 



Mniotilla ? carolinends Gray, Gen. Birds, i, 1848, 196. 



Sylvia flava Vieillot, Ois. Am. Sept., ii, 1807, 31, pi. 89 (=female; U. S. during 

 migrations); Nouv. Diet. d'Hist. Nat, xi, 1817, 195; Enc. M6th., ii, 1823, 

 455.— Lesson, Traits d'Orn., 1831, 418. 



Sylvia cUrinella Wilson, Am. Orn., ii, 1810, 111, pi. 15, fig. 6 ("fig. 5" in text; 

 e. Pennsylvania; coll.'PealeMus.).— Bonaparte, Journ. Ac. Nat. Sci. Phila., 

 iv, 1824, 190. 



(1) lihimamphus citrinus Rafinesque, Journ. de Phys., Ixxxviii, 1819, 417 (Ken- 

 tucky) . 



Sylvia childrenii Audubon, Orn. Biog., i, 1831, 180, pi. 35 (near Jackson, Louisi- 

 ana). 



Sylvia childreni Nuttall, Man. Orn. TJ. S. and Canada, i, 1832, 370. 



Sylvia rathbcmia AvDVBON, Orn. Biog., i, 1831, 333, pi. 65 (Mississippi?). 



Sylvicola rathbonia Richardson, Rep. Brit. Assoc, for 1836 (1837), 172.— Bona- 

 parte, Geog. and Comp. List, 1838, 23. — Nuttall, Man. Orn. U. S. and 

 Can., 2d ed., i, 1840, 447. 



Sylvicola rathbonii AxiDVBON, Synopsis, 1839, 58; Birds Am., oct. ed., ii, 1841,53, 

 pi. 89. 



M[niotilta'} ratKbonia Gray, Gen. Birds, i, 1848, 196. 



IRJdmamphvs] rathbonia Bonaparte, Consp. Av., i, 1850, 311. 



" Rhimamphus chryseolus Bp. 'Bull. Soc. Linn. Caen., ii, 1831, 32 (Cayenne).'" 



Sylvia trochihis (not of Scopoli, 1769, ex MotacUla trochilus Linnaeus) Nuttall, 

 Man. Orn. U. S. and Can., i, 1832, 406. 



Bendroica leativa morcomi Coale, Bull. Ridgway Orn. Club, no. 2, Apr., 1887, 82 

 (Fort Bridger, Wyoming; coll. U. S. Nat. Mus.). — Ridgway, Man. N. Am. 

 Birds, 1887, 593, part.— Merrill, Auk, v, 1888, 361 (Fort Klamath, Oregon). 



Dlendroica] wsliva morcomi Ridgway, Man. N. Am. Birds, 1887, 494, part. 



(?) Dendroeca marcomi Salvadoei and Festa, Boll. Mus. Zool., etc., Torino, xv, 

 1899, 8 (La Concepcion and Valle del Chota, centr. Ecuador, Apr.). 



Dendroica petechia (not Motacilla petechia Linnseus) Wells, Proc. U. S. Nat. Mus., 

 ix, 1886, 611 (Grenada). 



DENDROICA ESTIVA SONORANA Brewster. 



SONOBAir YELLOW WARBLER, 



Similar to D. ce. cestiva, but much paler; adult male lighter and 

 much more yellowish olive-green above, the back frequently (usually?) 

 streaked with chestnut, pileum usually wholly clear yellow, lower 

 rump and upper tail-coverts yellow, faintly streaked with olive-green- 

 ish; wing-edgings all yellow; under parts lighter yellow than in D. m. 

 cestiva, and with chest and sides much more narrowly (often faintly) 

 streaked with chestnut; adult female conspicuously paler than in 

 D. (B. (estiva, the upper parts often largely pale grayish, the under parts 

 usually very pale buffy yellow. 



Adult maZe.— Length (skins), 107-121 (113.3); wing, 59-66 (63.3); 

 tail, 45-56 (47.9); exposed culmen, 10-11 (10.3); tarsus, 18-20(19.1); 

 middle toe, 10-12 (10.9).' 



'Thirteen specimens. 



