BIRDS OF WESTERX COLOMBIA. 1105 



are at least tlu'ee geographical forms of C. gyroloides to be dis- 

 tinguished. In the following lines I give a short resume of their 

 characters which, I hope, will enable ornithologists to identify 

 the various subspecies. 



(a) C. GYROLOIDES GYROLOIDES Lafr. 



Hah. Mountains of Western and Central Colombia : Jimenez 

 (1600 ft.), Pueblo Rico, Siato (5200 ft.), San Antonio (5800 ft.), 

 province of Choco (^Palmer) ; Rio Lima (5000 ft.), Cauca [Batty) ; 

 Concordia (6000 ft.), Remedios (2360 ft.), Antioquia (Salmon) ; 

 Bucaramanga(Minlos, Wyatt) ; Fusagasuga (6000 ft. : Wheeler) * ; 

 also found in Bogota collections. 



Adult. Bill large and heavy ; rufous chin spot immediately 

 followed by the cserulean blue colour of the under parts ; rufous 

 crown without any yellow border behind or with but a very 

 narrow, yellowish line ; lesser upper vnng-coverts green like the 

 median and greater ones, sometimes slightly more yellowish green 

 than the latter, but never yellow. 



Specimens from different localities present the following 

 measurements : — 



Four adult males from Choco : Wing 78] -82 ; tail 54-57 ; bill 

 lU-12mm. 



One adult male from Rio Lima, Cauca : Wing 82 ; tail 54 ; 

 bill 12 mm. 



One adult male from Bncaramanga (Mus. Berlepsch) : Wing 

 78; tail 53; bill 11 mm. 



Seven adults from Bogota coll. f : Wing 75-82; tail 52-56; 

 bill lU-12 mm. *m- 



Two'females from Choco : Wih^g*74, 75 ; tail 52, 51 ; bill 11 1, 

 12 mm. 



(b) C. GYROLOIDES BANGSI, Subsp. n. 



Hah. Costa Rica, Chiriqni, and apparently Western Ecuador. 



2^y2)e in the Zoological Museum of Munich, No. 09.5340. J f d. 

 Boquete, Chiriqui, 3500 feet, December 17, 1904. H. J. Watson 

 coll. 



Adult. Like C. g. gyroloides with no or very little green, 

 between the rufous chin-spot and the caerulean blue colour of the 

 under parts ; yellowish border to posterior edge of rufous cap 

 absent or but faintly indicated : bill large and heavy ; but differs 

 in having the anterior lesser loing (or shoulder) coverts pale golden 

 yeJlow, this colour forming a conspicuous patch on the wing, 

 abruptly contrasting with the green of the remaining portion. 



Specimens from different localities measure as follows : — 



Six adult males from Chiriqui : Wing 78-80 ; tail 54-55 ; 

 bill 12 mm. 



* Mr. Rosenberg tells me that thei-e are two specimens of the green-shoiildered 

 race from this locality in the British Museum, and that Salmon's two skins from 

 Antioquia belong- also here. 



t Four in the Munich Museum, three in the collection of Count Ijerlepsch. 



