272 



NORTH AMKRICAN lUUDS. 



D* No \\ liift" on wiiiLT <>r tail ; lower parts deep blue. 



C. stelleri. Color dct'p l>luc, less intous*; than on \vin<:s and tail, cx- 

 fcpt dorsal /oirioi., which may be deep Mnr, a.shy-lin)wn, or sooty- 

 I'latk. Head ami nrck dark ^'rayi;;h-browii, dusky-blue, or deep 

 black, the throat more grayish. 



if. Xo white patrh ovt-r the <'ye ; throat ami chin not al>ruptly 

 liirhtcr than adjaeent parts; si-tondaiy eoverts not barred with 

 black. 



Whole liead, neck, jnirnlum, and dorsal region plain sooty- 

 black ; no blue ^treak^5 on forehead, or else these only faintly 

 indicated. The blue evervwhcre of a uniform dull greenish- 

 indigo shade. Depth of bill, Ao ; crest, 2.00; wing, 0.00; 

 tail, 0.00 ; eulmen, 1.35; tarsus, l.To; middle toe, 1.00. Huh. 

 Northwest eoast, from Sitka to tlif Colmubia . \i\v. stelleri . 



Whole head, neck, juguliua, and dorsal region plumbeous- 

 umber; the forehead conspicuously streaked with blue, and 

 the crest washed ^vith the same. The blue of two very 

 different shades, the wings and tail being deep indigo, the 

 body and tail-coverts greeni:<h cobalt-blue. Deitth of bill, 

 .35; erest, 2.80; wing, 0.00; tail, G.OO; eulmen, 1.25; tarsus, 

 1.55; middle toe, .00. Hah. Sierra Nevada, from Fort Crook 



to Fo. 1 Tejon M\v. frontalis . 



h. A pateh of silky white over the vyo) throat and ehin abruptly 

 lighter than the adjoining parts; secondary coverts barred dis- 

 tinctly with black. 



Whole crest, cheeks, and foreneok deep black : the crest 

 scarcely tinged with blue ; doisal region light ashy-plumbeous; 

 forehea<l conspicuously streaked with milk-white. The blue 

 contrasted as in \wv. frontnllx. De[>th of bill, .35 ; <iest, 3.00; 

 wing. O.lO; tail, 0.10; eulmen, 1.25; tarsus, 1.65; middle toe, 

 .1)0. Hah. Rocky Mountains of United States var. macrolopha. 



Whole crest, cheeks, and foreneck deep black, the crest 

 strongly tinged with blue; dorsal region greenish plmubeous- 

 lilue. The \A\\ii nearly uniform : forehead consj>ieuon-ly 

 streaked with liluish-white. Depth (^f bill. .35; er.'st. 2.S0; 

 wing, 5.00 ; tail, 5.00 ; eulmen, 1.30; tarsus, 1.00; middle too. 

 .00. Hah. Highlands of ^lexico , . . var. d iad e m a ( a .^ 



Whole crest, cheeks, and foreneck deep blue, lores black; 

 dorsal region ileep purpiish-blu«' ; forehead consfjicuously 

 streaked with light blue. The blue of a uniform shade — 

 deep purplish-indigo — throughout. Depth of bill. .40 ; length 

 of crest, 2.50; wing, 5.80; tail. 5.80; eulmen, 1.30; tarsus, 

 1.00; middle toe, .05. H'th. Southeastern Mexico (Xalapa, 

 Belize, etc.) ....... var. coronata.- 



The different varieties just indicated under Cynnvra stcllfri, namely, stel- 

 leri, frontalis, uKarotopha, diackmata, and coronata, all appear to represent 



1 Cijnvnra diadcmatn (P)0NAP.\ Ciimwrfarrnhm rlinilcmntiia^ Bonap. Consp. p. 377. C}(nno- 

 ciWi diiitl.^ 8<LAiEH, Catal. Am. B. 1S62, 143. The <J. jaledta, Cad., from Bogota, we have not 

 seen. 



2 Cijnnnra comnfif'i. Swains. Phil. Mag. I, 1827, 4C". 



