28 



NORTH AMP]RICAN BIRDS. 



paU' yellow ish-bii 11'; the iixillars, iiincr wiiifr-co verts, ami sides of the breast similarly, but 

 rather more deeidedly coloicd. The belly and odijes of llu^ cris.sal iealher.s are white, the 

 hinder parts of the Hanks asiiy. There is a tlistiiK't whitish stripe from tiie lores over 

 and a (piarter of an inch behind the eye ; the lower eyelid is also whit<'. The tail-leathers 

 are worn, bnt there is an indication of a narrow white tip. The featli<Ms of the jiifru- 

 lum, especially of tlie sides, are tipped with ashy like the back, as in inunature specimens 

 of T. migraiorins. The tri'eater winjr-eovfM'ts nro tipped with dnll white. The bill is yd- 

 lowi.sh ; the u])[)er mandible and the tij) of lower tinged with dnsky. The feet are pale 

 brown. 



The le" th oannot bo given acenrately, as the skin is nincli drawn np. TIk; wing, how- 

 ever, measin-es 5.10 inches, its tip reaching 1.40 lieyond the longest .secondary ; (ail, 4.10 ; 

 tarsns, l.'iO; middle toe and claw, 1.07; exposed portion of cnlnien, .'J2; from tip to open 

 portion of nostrils, .(!(). 



II.vii. Todos Santos, Cape St. Lucas. 



The speciiiion with a ooiioi-al rosonihlaiico to an iiniiiattire T. niir/rotoriiis 

 (especially the western vaiietv) in the white stipeveiliaiy streak and oeuoral 

 markings, is inneli lighter beneath than in any of the many skins of T. ini- 

 ijrutoriuH e.xamined ; there being none of the dark eliestinit or cinnamon 

 shiide, but rather a light 1)11(1'; tiie l)elly and flanks are much more purely 

 white. The sujierciliary stripe extends farther beiiind Mie eye; indeed, in 

 most specimens of iiiii/ratoriiis the wliite i.s nearly confined to the eyelids. 

 The bill and wings are rather longer than usual in viii/ratoriiis ; the middle 

 toe, on the other iiand, appears shorter. Notliiug i.s on record in regard to 

 the habits of this bird. 



SinoKNTs HESPEROCICHLA, lUiun. 



Jfcupn-ocitli/d, l>.\ii!ii, llcv. Am. liinls, 1, l>sti4, \2. (Type 'I'linliix ii'rvi(u<i, V,m.) 



The single species of this subgenus ditl'ers in form from tho Robins (I'la- 



*_ » ^ itis/icux), ill the more awl- 



shajied bill, the curved com- 

 missure, and the alwence of 

 a notch at the end ; the long- 

 er, slenderer, and straighter 

 claws ; and in the dissimi- 

 larity in color of the sexes. 

 In the latter res]»ects it 

 agrees with Mcinilo of 1mi- 

 rojie and Midille America; 

 in which, however, the bill 

 is distinctly iiotciied, and 

 less attiiiiuated. The tail is 

 shorter and broader than lu 

 PlaneAtku.s, more as in true Tnrdnn or IfjiJoiiihlu. 



