BIRDS OF NORTH AND MIDDLE AMERICA. 321 



into the dull bluish of lower throat and chest; dull blue of pileum 

 without an}^ lateral paler stripe, and forehead same color as crown. 



Southeastern Mexico, in States of Vera Cruz (mountain district), 

 Mexico, and Oaxaca (Llano Verde; Mount Zempoaltepec; Rej^es). 



Ci/anocorax nanus Du Bus, Bull. Ac. Roy. Brux., xiv, pt. ii, 1847, 103 (Mexico; 



coll. Brussels Mus.); Rev. Zool., 1848, 243; Esquis. Orn., 1848, pi. 2.5.— 



ScLATEK, Proc. Zool. Soc. Lond., 1857, 204 (.Jalapa, Vera Cruz); 18-59, .365 



(do.). — ScHLEGEL, Mus. Pays-Bas, Coraces, 1867, 49 (Mexico). 

 ICyanociUa'] nanus Boxapakte, Consp. A-v., i, 1850, 378 (Mexico). 

 Ci/anociUa nana Sclatek, Proc. Zool. Soc. Lond., 1859, 381 (Llano Yerde, 



Oaxaca); Cat. Am. Birds, 1862, 143 (Jalapa). — Sumichrast, Mem. Bost. Soc. 



N. H., i, 1869, 554 (alpine reg. Vera Cruz). 

 ICyanocitta^ nana Sclater and Salvin, Nom. Av. Neotr., 1873, 39. 

 ICyanurus'] iianus Gray, lland-iiyt, ii, 1870, 5, no. 6108 (Jalapa). 

 Aphelocoma nana Sharps, Cat. Birds Brit. Mus., iii, 1877, 118 (Cordova, Vera 



Cruz). — Salvin and God.m.a^n, Biol. Centr.-Am., Ave?, i, 1887, 495 (near 



City of Mexico, etc.). 

 Oyanolyca nana Stose, Proc. A(.'. Nat. Sci. Phila., 1891, 444 (.Jalapa). 



CYANOLYCA PUMILO (Strickland). 

 STRICKLAND'S JAY. 



Adult male. — Nasal tufts, forehead, and loral. orbital, auricular, 

 and malar regions uniform black, this black area margined above 

 by a line of white crossing the hinder part of the forehead and 

 extending thence backward along sides of crown and occiput to end 

 of auricular region; crown and occiput dull ultramarine or cobalt 

 blue, the remaining upper parts less purplish blue (dull cerulean blue 

 on wings and tail); under parts uniform blue (similar to upper parts, 

 but slightly paler and duller), deeper and more purplish blue on chest, 

 this shading into dull black on throat and chin; under surface of 

 wings and tail slaty black; bill, legs, and feet black; length (skin), 

 "250.5; wing, 111); tail, 120.5; exposed culmen, 21; depth of bill at 

 nostrils, 10; tarsus, 33.5; middle toe, 20.^' 



Adult female. — Sometimes (|uite indistinguishable from the adult 

 male in coloration, but averaging slightly smaller and usually with 

 the blue of a slightly more greenish hue (inclining more or less to 

 verditer blue on under parts, etc.); length (skins), 232.5-288.5 (23.5); 

 wing, 109.5-117 (112.5); tail, 108.5-117 (113); exposed culmen, 20- 

 20.6 (20.3); depth of bill at nostrils, 8-9.5 (9); tarsus, 29.5-33 (31.5); 

 middle toe, 17-17.9 (17.5).'' 



Young. — Similar to adults, but with the black portions of head and 

 throat replaced by dull dusky grayish, and without the white line 

 across forehead and along sides of crown. 



Highlands of Guatemala and vState of ("hiajias rrunibula) southern 

 Mexico. 



• '^One specimen. ''Three specimens. 



10384— yoT. 3— (»3 21 



