CORVID.E— THE CROWS. 20-") 



of tlu'r all l>t'lor.i4in<r to one i»iiiuitivt! fniiu. These difforonces may be 

 expressed lis loilows : — 



Common* Cii vitACTKUia. Nasiil (utts, patch on si(l«' of lowtT j:iw and one 

 al»ov«' v\f. (liutli I'Vrlids.) l>ii;.'lii Miif; n-nialndcr ot lace ami throat hlack. 

 Back, and upper >mtacc of winu's a' -l tail (tiic t'oiu- central fcaihcrs), jrreen. the 

 latter tiiiircd witli lilue at end; the rest "f tail-leathers hri^rht yellow. Belly 

 and erissuMi varying from hriirht yellow lu urecn. Vurehead yellovvisih or 

 n'hiti>h. 



a. Xasal tiilts short, only c<»verin^' the nustriU ; >vhole top of head (ex- 

 cept anteriorly) and nape hriirht lilu«'. 



1. Body heneath, and crissuni, green. Hub. Mexico and ^South Ti-xas. 



var. I HXHOsa, 



2. Body heneath. and crissum, yellow, sides more greenish. Hah, 

 Guatemala and Ilondiiras ..... ww. ij uatemalen sis. 



h. Njisal tuft elongated, I'ormini,' an anterior crest, the feathers reaching far 

 beyond nostrils. Whole {.o\^ of head pale heavy yellow, glossed behind with 

 Vtlnish. 



3. Body beneath, and erissinn. very bright gamboge-yellow. Hch. 

 Colombia, Ecuador, Bogota, and B(»li via .... var. i tic as. 



Thus, starting with the j^reeii-hellieil Iiunom of the Kio (rraiule, we eoiue 

 to the vellow-hellied quiftminhnxis ; but interniediate localities show dif- 

 fereut propoi-tious of the two colors. The uasal tufts iu the first do not 

 extend beyond the nasal fossa^ ; and the frontal yellowish is yery narrow. 

 In the second these tufts reach bevond the fossjo, and the frontal yellowish 

 is more extended. In inraH aLjain the nasal tufts have reached their 

 maximum, while the frontal yeUowish extends over the whole cap, leaving 

 only a trace of blue on the nape. 



Xanthoura incas, var. luxuosa, Bonap. 



GEEEN JAY. 



Garrultis luxtuisux, Lkssun, Rev. Zool. April, ISoit, lOu. Ciinnornr(i,r Iii:rvo<i)/.<t, Dr Bus, 

 Esfiuisscs OniithoUi^'itpK's, iv, l,s4S, pi. xviii. — Cassin, Illust. I, ISfi^, I, pi. i. 

 Xaathiiuni hi.iKnsn, Hon. .('oiisp. is.'.o, ;j8o. — Cabanis, Mus. Hcin. lSr>l. 224. — 

 Haiud, r>irds X. Am. iS.'iS, ,'»89. Pht rlth>mnnfn, \s \\.\\\.\\, I.sis, 1S2!>, 7'>0 (vomig 

 malt' ; nani«> belongs to '.'orrux jH^ruvinnua, (1m. U C'>ftinorora.r ciffriiinipt7/u.% ('ab.\nis, 

 Fauna rt'niana, ls44-4«), 2:j.'J (note). fi/o/nx-orax ifticus, " 1>oi»I).ki; I." Eawuksce, 

 Ann. X. v. bye. y, .\pril, b*>.')l, ll.'i (first added here to fimna of Cnited States). 



Sp. CnAK. Wings shorter than the tail, which is much graduateil. the lateral feathers 

 1.25 inches shorter. Above green : beneath yellow. gloss«'d eontinu<visly Avith green ; 

 inside of wings and outer four tail-f»'athers straw-yellow; rest of tail feathers green. 

 glossed with blue. Sides of the head, and beneath from the bill to the forepart of the 

 breast, velvet-black. Crown, najic. and a short maxillary stripe running np to the eye and 

 involving the upper eyelid, brilliant blue; thi' iiostril-h»athers rather darkei- ; the sides of 

 the forehead whitish. Bill black : feet lead-color. Length, 11.00 ; wing, 4.75; tail, 5.-10; 

 tarsus. 1.0.5. 



Hab. Valley of Rio G-rande, of Texas, and southward. 



