314 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



at nostrils, 12.5-14 (13.5); tarsus, 40-42 (40.9); middle toe, 25-26.5 

 (26.5)." 



Adult femule.— Length (skins), 266.5-317.5 (297.5); wing, 127-142 

 (134.6); tail, 134.5-151 (143.5); exposed culmen, 28.5-30.5 (30); depth 

 of bill at nostrils, 13.5-14 (13); tarsus, 38.5-41 (39.5); middle toe, 

 23-26.5 (25).* 



States of Jalisco and Colima and Territory of Tepic, southwestern 

 Mexico. 



Pica san-blasiana Lafresnaye, Mag. de Zool., 2" s6r., ann6e 1842, Ois., 1, 2, pi. 28 



(San Bias, Jalisco, s. w. Mexico; Geai de San-Blas N^boux, Rev. Zool. 1840, 



290, 323). 

 C\_yanoc(yrax] smiblagianus Geay, Gen. Birds, ii, 1849, 307. 

 [Oissilopha] sanbladanus Bonapaetb, Consp. Av., i, 1850, 380 ("California"). 

 Oissolopha sanhladanws Lawrence, Mem. Best. Soc. N. H., ii, 1874, 284 (plains of 



Colima, Manzanilla Bay, and Los Trochos, Colima). — Stone, Proc. Ac. Nat. 



Sci. Phila., 1891, 444. 

 Cisdlopha sanbfasiana Coves, Bull. U. S. Nat. Mus., no. 7, 1877, 11 (Mita Point, 



"Sinaloa," i. e.. Territory of Tepic). 

 Oissolopha sanblasiana Baied, Rep. Pacific R. R. Surv., ix, 1858, 592 (San Bias). 

 C'[issolopha] sanblasiana Ridgway, Man. N. Am. Birds, 1887, 350, footnote. 

 yCyanurus'] sanblasianus Gray, Hand-list, ii, 1870, 4, no. 6091. 

 Cyanocitta sanblasiana Sclatee and Salvin, Proc. Zool. Soc. Lond., 1876, 269 



(crit.). 

 Xanihura sanblasiana Shaepe, Cat. Birds Brit. Mus., iii, 1877, 182 (w. Mexico). 

 Cyanolyca sanblasiana Salvin and Godman, Biol. Centr.-Am., Aves, i, 1887, 496, 



part (San Bias; plains of Colima; Manzanilla Bay; Los Trochos). 

 [Cyanurusl geoffroyi (not Cyanocorax geoffroyi Bonaparte) Gray, Hand-list, ii, 



1870, 4, no. 6094 ("California;" fide Sharpe). 



CISSILOPHA SAN-BLASIANA PULCHRA (Nelson). 

 ACAPULCO JAY. 



Similar to C. s. san-ilasiana, but tail decidedly longer and color of 

 back", etc. , rich ultramarine blue, deepening into smalt or cyanine blue 

 on tail; under tail-coverts and thighs cyanine blue. 



Adult male.— Length (sbins), 324-830 (328); wing, 135-144 (138.5); 

 tail, 146-159 (153); exposed culmen, 30-82 (31); depth of bill at nos- 

 trils, 13.5; tarsus, 40.5-42.5 (41.5); middle toe, 23.5-26.6 (25).'' 



State of Guerrero, southwestern Mexico. 



Pica san-blasiana, part, Lafeesnaye, Mag. de Zool., 2" s6r., ann6e 1842, Ois., 1, 2, 



part ( Acapulco) . 

 Oissolopha pulchra Nelson, Auk, xiv, Jan., 1897, 56 (Acapulco, Guerrero, s. w. 



Mexico; coll U. S. Nat. Mus.). 



« Five specimens. * Seven specimens. « Three specimens. 



