4G6 BIRDS OF BRITISH GUIANA. 



of A'antage. They were tame, and allowed us to approach within 

 eight or ten feet before flying to their alternate perches. Their 

 feet are small and weak, and they have a hunched up look as they 

 perch in wait, turning the head rapidly in every direction and 

 now and then swooping like a flash after some tiny insect, engulf- 

 ing it with a loud snap of the mandibles. Their call-note is a 



sharp, repeated ' pip ! pip I pip ! pij) I ' Jacaniars form a 



rather compact group of some twenty species; in habit like Fly- 

 catchers ; in ajijiearance and nest like Kingfishers, but in structure 

 more closely related to Toucans and Woodpeckers." 



Genu.s GALBULA Briss. 



GdJbi'.la Brissun, Orn. iv. p. b-3, 17(50. Type G. (jalhida (Linn.). 



In this oenus the t^iil is rounded and the plumage is, for the 

 greater part, bronze-green. The bill is slender and compressed. 



Key to the Species. 



A. Bill uniform black. 

 ((. Abdomen chestnut. 



a ' . Tail vmif orm bluish green G. galbu la, p. 466. 



b' . Tail, middle feathers bronze-green, the 



lateral ones cinnamon-rufous G. rvjlcauda, p. 467. 



h. Abdomen white G. leucoffaster./p.-mS. 



B. Bill for the most part white G. albirosfris, p. 469. 



319. Galbula g-albiila. 



(/OMMON JaCAMAR. 



AlceiJo f/idbula Linn. Syst. Xat. 12th ed. i. p. 182, 1766 (Cayenne), 

 Galbula viridicuuda Cab. in Schomb. Keis. Guian. iii. p. 717, no. 234, 



1S48. 

 Galbvla v/n'dis Salvin, Ibis, 1886. p. 61 ; Sclater, Cat. B. Brit. Mus. 



xix. p. 164, 1891 (British Guiana;. 

 Galbula t/albula Brabourne & Chubb, B. S. Amer. i. p. 161, no. 1584, 



1912. 



Adult male. General colour above bright metallic green, in- 

 cluding the sides of the face and a broad baud acro*;s the breast, 

 more bluish on the head, innermost secondaries, and tail, and 

 bronzy reflections on the numtle, back, and breast ; a triangular 



