118 CORVID.E. 



wasli of blue ; fore part of cheeks hoary ; crown of liead, nape, hind 

 neck, and sides of the latter dull cobalt-blue, more dingy on the 

 crown ; entire mantle drab-brown, shadino; off into blue on the 

 lower back and rump ; scapulars inwardly like the mantle, but blue 

 externally, so as to resemble the wings ; the latter blue, the quills 

 all black on the inner web, the inner secondaries all shaded with 

 blue ; upper tail-coverts brighter cobalt ; tail deep blue, with indi- 

 stinct wavy lines of dusky under certain lights ; under surface of 

 body pale drab-brown, with a faint shade of lilac ; the throat white, 

 shaded with lilac on the lower portion, and encompassed with an 

 indistinct circlet of dull blue across the jugular region, which has a 

 slight lilac shade ; thighs darker drab- colour, washed with blue near 

 the tarsal joint ; under tail-coverts cobalt ; under wing-coverts 

 greyish drab, slightly washed with cobalt, those near the edge of the 

 wing brighter blue ; bill and legs black. Total length 10'6 inches, 

 culmen 1'05, wing 4*5, tail 5-5, tarsus 1*45. {Mm. Salvin and 

 Godman.) 

 Hah. Florida. 



7. Aphelocoma unicolor. 



Cyanocorax unicolor, Du Bus, Bull. Acad. R. Brux. xiv. pt. 2, p. 103 ; 



id. Esq. Orn. pi. 17 ; Scl. P. Z. S. 1859, p. 365 ; Schl. Mus. P.-B. 



Coraces, p. 49. 

 Cyanocorax concolor, Cass. Pr. Acad. Nat. Set, Philad. iv. p. 26. 

 Cyanocitta unicolor, 5/?. Consp. i. p. 378 ; Scl. P. Z. S. 1857, p. 204 ; 



id. Cat. A^ner. B. p. 143 ; Scl. 8f Salv. Nomencl. Av. Neotr. p. 39. 

 Cyanurus unicolor, (rray, Hand-l. B. ii. p. 5. 



Adult. Above and below ultramarine blue, with a certain gloss of 

 brighter blue under certain lights ; wings and tail uniform with the 

 back, the quills blackish on their inner web, the tail-feathers in- 

 clining to pur])lish brown on their inner web ; feathers in front of 

 the ej'e blue-black. Total length 12-5 inches, culmen 1*2, wing 

 6"5, tail 6*8, tarsus 1'55. 



Hah. Central America, from Mexico to Guatemala. 



a. Ad. sk. Jalapa, Mexico. R. de Oca [C.]. 



h. Ad. sk. Mexico. Purchased. 



c. Ad. sk. Guatemala. J. Gould, Esq. 



d, e. Ad. sk. Vera Paz, Guatemala. O. Salvin, Esq. [C.]. 



8. Aphelocoma nana. 



Cyanocorax nanus, Du Bus, Bull. Aaid. R. Brux. xiv. pt. 2, p. 103 ; 



id. Esq. Orw.pl. 25 ; Scl. P. Z. S. 1857, p. 204, 1859, p. 365; Schl. 



Mus. P.-B. Coraces, p. 49 ; Scl. ^ Salv. Nomencl. Av. Neotr. 



p. 39. 

 Cyanocitta nana, Bp. Consp. i. p. 378 ; Scl. P. Z. S. 1859, p. 381 ; id. 



Cat. Amer. B. p. 14.3. 

 Cyanurus nanus, Gray, Hand-l. B. ii. p. 5. 



Adult. General colour above smalt-blue, brighter and inclining to 

 cobalt on the head and tail ; wings coloured like the back, the inner 

 webs of all but the innermost secondaries black ; nasal bristles, 



