172 NORTH AMERICAN BIRDS. 



Species and Varieties. 



1. S. magna. Above luownish, or grayi>li, sputlc»l and barri'd -vith black; 

 crown divided l»y a median wiiiti^sh stripe; side of the head whitisii, with a 

 blackish streak ii\on<^ upper edi^e of the auriL-ulars. Jii'iieafh more or less 

 vellowish, with a more or less distinct dusky crescent on the juguluni. Sides, 

 Hanks, and crissum whitish, streaked with dusky ; lateral tail-feathers partly 

 white. AduH. Supraloral f^pot, chin, throat, breast, and abdomen deep gamboire- 

 yellow ; pectoral crescjMit deep blaek. Yoioitj. The yellow only indirated ; 

 pectoral cresc^ent obsolete. Length, about U.OO to lO.oO inches;. Sexes i^imilar 

 in color, but female much smaller. 



A* In sj)ring birds, the lateral stripes of the vertex either continuous black, 

 or with l)lack largely pretlominating; the black spots on the back extending 

 to the tip of the feather, or, if not, the brown tip not barred (excei)t in 

 winter dress). Yellow of the throat confined between the maxilke. or 

 just barely encroaching upon their lower edge. White of sidi\s, ilanks, and 

 crissiun stron<;lv tinged with ochraceous. 



a. Pectoral crescent much more than half an inch wide. 



Wing, 4.50 to r).0(): culmen, 1.20 to 1.50; tarsus, 1.35 to 1.55; 

 middle toe, 1.10 to l.'JO (extremes of a series of four adult males). 

 Lateral stripe of the erown continuously black; black predominat- 

 ing on back and rump (heavy stripes on ochraceous grouinl). 

 Light brown serrations on tertials and tail-feathers reaching nearly 

 to the .shaft (sometimes the terminal ones uninterru{>t('<l, isolating 

 the black bars). Ilnh. Ea.- tern United States . . var. m a (j )i a 



Wing. 3.75 to 4.30: culmen. 1.15 to 1.30; tarsus. 1.50 to 1.75; 

 middle toe. 1.10 to 1.25, (Ten adult males!) Colors similar, but 

 with a greater predominance of black ; blaek heavily prevailing on 

 back ami rump, and t'xtending to tip of feathers; also predomi- 

 nates on tertials and tail-feathers. Ilah. Mexico and Central 

 America ........ . var. m exic a )t a } 



Wing, 4.45; culmen. I.G2 ; tarsus, 1.50; middle toe. 1.20. (One 

 .^ip^cimen). C\)lors exactly as in Uust. Hah. Bra/.il. 



var. m eridionalis? 

 h. Pectoral crescent much less than half an inch witlc. 



Wing. 3.r»0 to 4.10; culmen. 1.25 to 1.35: tarsus, 1.40 to 1.55; 



middle toe. 1.00 to 1.20. (Tnree adult males.) Colors generally 



similar to mfn/iia. but crown decidedly streake<l. though bl.aek 



predominates; groun<l-color above le.ss reddish than in either of 



the preceding, with markings as in mafjna. Pectoral crescent about 



.25 in brea<ltli. Ifah. Cuba . . . , var, hi }> pocr e p is ? 



B. In spring birds, erown alxMit equally streaked with black and grayisli ; 



black spots of back oecu[)ying only basal half of feathers, the U'rminnl 



portion being grayish-brown, with narrow bars of black ; feathers of the 



rump with whole exposed portion thus barred. Yellow of the throat 



extending over the maxilke nearly to the angle of the mouth. 



Wing, 4.40 to 5.05; culmen, 1.18 to 1.40: tarsus. 1..30 to 145, 

 (Six adult males.) A grayish-brown tint prevailing above ; lesser 



' Stumdla mexicaiia, Scl.\ter, Ibis, 18<n, 179. 



* Sfv nulla hirridionaUs, ScL.VTEii, I]>is, 18*)1, 170. 



* Sfunulla hippocrrpis, Waoler, Ibis, 1832, 281. — Lawr. Ann. N, Y. Lye. 1860. 



