512 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



[Si/lfia'] cdro/lncnm Latham, Index Orn., ii, 1790, 551 (= young; based on Fu/iiier 

 de In Caroline Daubenton, PI. EnL, pi. 58, fig. 1). 



\^MotaciU(t'] caroUnensis Turton, Syst. Nat., i, 1806, 615. 



Mn'iotUta f rurolinenm Gray, Gen. Birds, i, 1848, 196. 



Si/lvin ffiira Vieillot, Ois. Am. Sept., ii, 1807, 31, pL 89 (= female; U. 8. durinsr 

 migrations); Nouv. Diet. d'Hist. Nat., xi, 1817, 195; Enc. Meth., ii, 182.'!, 

 455.— Lksson, Traite d'Orn., 1831, 418. 



tSi/lriii fitrinclki "Wilson, Am. Orn., ii, 1810, HI, [)1. 15, fig. 6 ("fig. 5" in text; 

 e. Pennsylvania; coll. PealeMu.s.). — Bonaparte, Journ. Ac. Nat. Sci. Phila., 

 iv, 1824, 190. 



{?)Rhimamplms citrinus Rafinesqi'e, Journ. de Phys., Ixxxviii, 1819, 417 (Ken- 

 tucky) . 



Sijlma children i i Audubon, Orn. Biog., i, 1831, 180, pi. 35 (near Jackson, Louisi- 

 ana). 



Sylvia childrmi Nuttall, Man. Orn. U. S. and Canada, i, 1832, 370. 



Sylvia rathbonia Av DUBOIS, 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.,*2ded., i, 1840, 447. 



Sylmcola rathbonii AvDVBOii, Synopsis, 1839, 58; Birds Am., oct. ed., ii, 1841,53, 

 pi. 89. 



3I[niotilta'] rathbonia Gray, Gen. Birds, i, 1848, 196. 



[RJthiiamphus'] rathbonia Bonaparte, Consp. Av., i, 1850, 311. 



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



Sylvia trochilus (not of Scopoli, 1769, ex holacilla frochilus Linnfeus) Nuttall, 

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



Dendroica lesliva 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) . 



D{endroica^ icstiva morcomi Ridcuvay, Man. N. Am. Birds, 1887, 494, part. 



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

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



Dendroica petechia (not Mntacilla petechia Linmeus) Wells, Proc. U. S. Nat. Mus., 

 ix, 1886, 611 (Grenada). 



DENDROICA .(ESTIVA SONORANA Brewster. 



SONORAN YELLOW WARBLER. 



Similar to B. ce. (estiva^ but much paler; adult male liohter and 

 much more yellowi.sh olive-green above, the back frequently (usually?) 

 streaked with chestnut, pileimi 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. (P. 

 (estiva^ and with chest and sides much more narrowly (often famtly) 

 streaked with chestnut; adult female conspicuously paler than in 

 D. ce. ctistiva^ the upper parts often largely pale grayish, the under parts 

 usually very pale butfy j'^ellow. 



Adult maZe.— Length (skins), 1()T-121 (113.8); wing, 59-66 (63.3); 

 tail, 45-56 (47.9); expo.sed culraen, 10-11 (10.3); tarsus, 18-20 (19.1); 

 middle toe, 10-12(10.9).' 



^ Thirteen specimens. 



