BIRDS OF NORTH AND MIDDLE AMERICA. 749 



Page 321: To synonymy of Cyanolyca nana add: 



\^Cinrrulhid\ nana Heine and Reichenow, Norn. Mus. Hein. Orn., 1882, 117. 



Page 323: To synonyniy of Oyano/i/ca, initrata add: 



[Ciianolyca'] ornata Heine ami Reichenow, Noiii. Mus. llcin. Orn., 1882, 117 

 (Mexico). 



Page 323: To synon3'niy of genus ApJielocoma add: 



Garrultna Gray, Cat. Gen. and Subgen. Birds, 1855, 148 (ex Bonaparte, Ann. 



Sci. Nat, iv ser., i, no. 2, 18.54, 113, nomen nudum). (Type, Cyanocorax 



unicolur Du Bus. ) 

 Seiberocitta Coues, Key N. Am. Birds, 5th ed., i, 1903, 499. (Type, Pica sieberii 



AVagler. ) 



Page 326: Cancel last two paragraphs of Ke}^ to the Species and Sub- 

 species of Aphelocoma and substitute the following: 



a. Color lighter blue (cobalt or cerulean). {Aphelocoma unicolor.) 



b. Smaller, with the bhie of a col)alt hue; wing of adult male averaging 161.5, tail 

 153.5. (Southeastern Mexico, in States of Vera Cruz, Puebla, and Mexico.) 



Aphelocoma unicolor unicolor (p. .344) 

 bb. Larger, with the blue of a cerulean hue; wing of adult male averaging 167, 

 tail 157.5. (Highlands of Chiapas and Guatemala. ) 



Aphelocoma unicolor coelestis (p. 345) 

 aa. Color darker blue (dark smalt or (-yanine). (Wing of ailult male averaging 

 164.8, tail 168.7.) (Southwestern Mexico, in mountains of Guerrero.) 



Aphelocoma guerrerensis (p. 749) 



Page 329: To citation of Aphelocoma cal'tf or n'lca Bonaparte, Notes 

 Orn. Coll. Delattre, 1854, add: p. 6. 



Page 344: To sj'nonymy of Aphelocoma unicolor unicolor add: 

 {^GarruUnal unicolor Heine and Reichenow, Nom. Mus. Hein. Orn., 1882, 117 

 ( Mexico ) . 



Page 345: To synon3'my of A])helocoma unicoloi' cmlestis add: 

 Aphelocoma unicolor cxeledin Ridgway, Proc. Biol. Soc. Wash., xvi, Sept. 30, 1903, 

 108 (San Cristobal, Chiapas; coll. U. S. Nat. Mus.). 



Page 345: A recently discovered species, allied to the A. unicolm\ is 



APHELOCOMA GUERRERENSIS Nelson. 

 GUERRERO JAY. 



Similar to A. unicolor imieolor, l)ut much hirger and darker. 



Adtdts {sexes alike). — Uniform glossy purplish grayish blue," the 

 remiges and rectricos with black shafts, their under surface slaty black; 

 bill, legs, and feet black. 



Adult maZ6^— Length (skins), 332-353 (345); wing, 158-168 (164.8); 

 tail, 160-173 (168.7); exposed culmen, 29-31 (30); tarsus, 40-42.5 

 (41.4); middle toe, 23.5-25 (24.4).'' 



«The color can not be nearly matched by any shown in my Nomenclature of 

 Colors; it comes nearest to cyanine blue, but in the best light appears lighter and 

 more violet. 



^ Six specimens. 



