BIRDS OF NORTH AND MIDDLE AMERICA. 663 



Arremon giganleus Bonaparte, Proc. Zool. Sue. Loud., 1837, 117 (Mexico); Nuov. 



Ann. Sei. Nat. Bologn., ii, 1839, 345. 

 A.[rremon] giganteus Gii ay , Gen. Birds, ii, 1844, 361. 

 Pyrrhula raptor Cabot, Journ. Bost. Soc. N. H., v, 1844, 90, pi. 12 (Yucatan; coll. 



S. Cabot, jr.) . 

 S.[aUator} raptor Gray, Gen. Birds, App. 1849, Ifi.— Bonaparte, Notes Orn. 



Coll., Delattre, 1854, 23. 



SALTATOR ATRICEPS LACERTOSUS Bangs. 

 PANAMA BLACK-HEADED SALTATOR. 



Similar to S. a. atncepa but black jugular collar usuall}- wanting, 

 rarely indicated, never complete; sides of head (including auricular 

 region) clear slate-gray, without admixture of black; white supercil- 

 iary streak rather more distinct; under tail-coverts with olive central 

 spaces obsolete or wanting. 



Adult male.— Length (skins), 228.60-251.46 (243.59); wing, 105.41- 

 120.14 (114.81); tail, 107.95-123.19 (115.57); exposed culmen, 22.86- 

 24.89 (23.37); depth of bill at base, 15.75-16.26 (16.00); tarsus, 27.94- 

 30.23 (29.21); middle toe, 21.08-22.86 (22.10).^ 



^^MZi!/CTiffl^e.— Length (skins), 220.98-238.76(231.14); wing, 109.98- 

 114.30 (112.78); tail, 105.41-112.27 (109.47); exposed culmen, 22.61- 

 24.89 (23.62); depth of bill at base, 13.21-15.75 (14.99) tarsus, 26.67- 

 29.21 (28.19); middle toe, 22.10-22.86 (22.35).' 



Isthmus of Panama to Costa Rica (Talamanca).^ 



Saltator atriceps (not of Lesson) Lawrence, Ann. Lye. X. Y., vii, 1861, 297 

 (Lion Hill station, Panama K. K). — Sclater and Salvin, Proc. Zool. Soc. 

 Lond., 1864, 351 (Lion Hill).— Salvin, Proc. Zool. Soc. Lond., 1883, 421 

 (Panama).— Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 325, part 

 (Isthmus of Panama). — Sclater, Cat. Birds Brit. Mus., xi, 1886, 283, part 

 (Isthmus Panama). 



Saltator lacertoms Bangs, Proc. New Engl. Zool. Club, ii, Sept. 20, 1900, 31 (Loma 

 del Leon, Isthmus of Panama; coll. E. A. & 0. Bangs). 



SALTATOR MAGNOIDES MAGNOIDES Lafresnaye. 

 BTTFF-THROATED SALTATOR. 



Adults {sexes alike). — Forehead and crown sooty blackish, passing 

 into dusky grayish (usually clouded with sooty blackish) on occiput; 

 rest of upper parts plain bright j^ellowish olive-green; a narrow super- 

 ciliary stripe (terminating a little behind the eye) and a median stripe 

 on chin or upper throat white,* the latter usually flecked with black; 



' Five specimens. 



^ Three specimens. 



' Most specimens from Costa Rica and Nicaragua are really intermediate between 

 this form and S. a. atriceps; most of them are nearer the latter, but occasionally one 

 may be found whicli is not distinguishable from the Panama birds. 



* Sometimes the anterior portion of the malar region is more or less flecked with 

 white. 



