66 



A FLYING TRIP TO THE TROPICS. 



and pattern of coloration, but of about half the size. This was a 

 female, its bill plain ivory without excrescences, and the feathers on 

 its crown only slightly prolonged, otherwise its coloration was the 

 same {Ostinoj^s decumanii^). The two kinds were together in a 

 laro-e straggling flock. Still later I shot a third, smaller yet, black 

 with a black tail, a clear yellow rump, under tail-coverts, and wing- 

 spot. Its bill, which was slightly curved, was a pinkish ivory, and 

 the feathers of the crown were slightly prolonged {Cassicus Jiavl- 

 crissiis). This also, like the first two, had white bases to the 

 feathers of the nape. These birds build together in communities. 

 A number of times, along the river, we saw in large detached trees 

 a dozen or more of their nests hanging like stockings from the 

 extremities of the branches. As I shot the second, I heard the 



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" OKO I'/.KDOLA" ((JYMN0.sTIN01'.S (iLATl^'MOZINUs). 



