ORIOLE. 05 



interwoven by the birds, both sexes of which contribute their labour, 

 and the threads so fine as to be easily mistaken for horse hair ; the 

 eggs are not described, but the young said to be fed with worms, and 

 the adults to be fond of oranges and ananas. M. d'Azara mentions 

 one which had five white and yellow spots, irregularly placed, at the 

 beginning of the back, and upper tail coverts. Found at Paraguay, 

 but not common, nor seen beyond the 26th degree of latitude ; has a 

 loud cry, but not disagreeable; the common name Yapu,* also 

 Yapuri and Acahe-saiyu, or Yellow Acahe. 



A. — Gen. Syn. ii. p. 421. 



This is full twenty inches in length. The bill two inches and a 

 quarter, yellow, with an orange tip ; the feathers of the head 

 elongated into a crest, as in the former, besides which, there are two 

 slender feathers, two inches and a quarter long, springing from the 

 hindhead, and hanging down behind ; the plumage in general olive, 

 with a hue of orange ; lower half of the back, the rump, belly, and 

 vent chestnut; tail rounded, the two middle feathers chestnut, the 

 others yellow, but the outer one dusky on the exterior web; legs black. 



4— RED-BILLED ORIOLE. 



Oriolus cristatus, Ind. Orn. i. 175. y. Gen. Syn. ii. 422. B. 



rufirostris, Shaw's Zool. vii. 416. 



Xanthornus virens, Naturf. 18. s. 1. tab. 1. 



Cassique vert de Cayenne, Buf. iii. 240. PL enl. 328. 



LENGTH fourteen inches, breadth twenty. Bill red; general 

 colour of the plumage dull green, but the hind part of the body, 



* Yapu signifies Error. 



