660 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



chest and anterior portion of sides; maxilla deej) or dark horn 

 l)rown, darker terminally; mandible dnll brownish white (in dried 

 skins), dusky terminally, especiall}" along tomia; iris brown; legs 

 and feet dusky (in dried skins) . 



Young. — Similar to adults, but without yellow on crown. 

 Adult male.— Length (skins), 188-220 (201) ; wing, 103-112.5 (108.7) ; 

 tail, 82-92 (85.7); exposed culmen, 22.5-26.5 (24.3); tarsus, 18.5-21 

 (20.1); middle toe, 13-15.5 (14.3)." 



Adult female.— hength (skins), 191-216 (202) ; wing, 102-109.5 

 (105.8); tail, 81-88.5 (84.1); exposed culmen, 22.5-27 (24.3); tarsus, 

 18.5-21 (20); middle toe, 13.5-15.5 (14.3).^ 



Costa Rica (Barranca; La Palma de Nicoya; Cervantes; Turrialba; 

 Alajuela; San Mateo; San Jose; San Lucas; Pigres; Bebedero) and 

 Panama (Paraiso; Lion Hill; Frijole Station; Panama; Nata-Cocle; 

 Chepo; Chitra; Bugaba; David; Divala; Boquete; Santa Fe de 

 Veragua; San Miguel, Saboga, and Pacheca islands), and southward 

 through Colombia (Santa Marta; Minca; Bonda; Palomina; Caca- 

 gualito; RioCauquito; ValleDupar; Manuare; Frontino; Remedies; 

 Bucaramanga; Santa Elena) to Ecuador (Guayaquil; Esmeraldas; 

 Balzar Mountains; Santa Rita; Yaguachi; Carondelet; Paramba; 

 San Javier; Sarayacu). 



Myiodynastes nobilis Sclater, Proc. Zool. Soc Loud., 1859, 42, 43 (Santa Marta, 

 Colombia; coll. P. L. Sclater); 1860, 295 (Esmeraldas, w. Ecuador); Cat. Am. 

 Birds, 1862, 223 ( Santa Marta; Esmeraldas, Ecuador); Cat. Birds Brit. Mus., 

 xiv, 1888, 183 (Bebedero, w. Costa Rica; Santa Fe, Chitra, and Calobre, 

 Veragua; Chepo and Panama, Isthmus Panama; Minca, Valle Dupar, Manuare, 

 Santa Marta, Frontino, and Remedios, Colombia; Esmeraldas, Balzar Mts., 

 Santa Rita, and Sarayacu, Ecuador). — Lawrence,. Ann. Lye. N. Y., vii, 

 1862, 295 (Lion Hill, Panama); viii, 1865, 178 (David, Panama); ix, 1868, 

 114 (Barranca and San Mateo, Costa Rica). — Sclater and Salvin, Proc. Zool. 

 Soc. Lond., 18G4, 360 (Panama; crit.).— Salvin, Proc. Zool. Soc. Lond., 1867, 

 148 (David and Santa Fe de Veragua, Panama); 1870, 198 (Chitra, Calobre, 

 and Bugaba, Panama). — Frantzius, Journ. fur Orn., 1869, 307 (Costa Rica). — 



« Twenty-five specimens. 

 b Sixteen specimens. 



Locality. 



MALES. 



Ten adult males from Colombia 



Ten adult males from Panama (mainland) 



Two adult males from Pacheca and Saboga islands 

 Three adult males from Costa Rica 



FEMALKS. 



Two adult females from Colombia 



Ten adult females from Panama (mainland) 



Four adult females from Costa Rica 



Ex- 1 

 posed j Tarsus, 

 culmen. j 



24.2 

 24.3 

 24 



24.8 



Middle 

 toe. 



19.7 

 19.7 

 20 

 19.7 



23.3 19.5 

 24.5 I 19.8 

 24. 4 i 20. 6 



14.1 

 14.2 

 14.5 

 14.7 



14.8 

 14.1 

 14.4 



