1 8 Price, Nest and E^^gs of the Olive Warbler. \ f^^ 



{Spirea discolor) to the top of a small pine, and busy itself on a 

 small horizontal limb partially concealed by pine needles. She 

 soon returned to the spirea, followed by the male, which did not 

 enter the bush but perched on a pine branch near by. The 

 female again flew with a dry flower-stem in her bill, from the bush 

 directly to the pine, where a nest was in process of construction. 

 The male again accompanied her and alighted on a twig, uttering 

 at times a liquid qiiif-t, quirt, quirt, in a descending scale. I 

 watched them for over an hour, when they finally disappeared. 

 During this time, the male did not once assist at nest-building, but 

 accompanied the female back and forth. On June i8, I again 

 visited the place and found the female busy at work, but the male 

 was as.idle as before. 



On June 21, I was fortunate in securing a male and female, and 

 two young Olive Warblers, the latter just able to fly. The adults 

 were feeding the young which were noisy, as most young birds 

 are. This male was not in fully adult plumage and was very 

 similar in coloration to the female. 



A few days after, a forest fire drove me from my camp, and it 

 was not until July i that I was able to visit the nest. The female 

 was sitting, and when frightened from the nest, kept hovering 

 about, but made no sound. The male did not appear at all. The 

 nest was compactly built and placed on a small horizontal branch, 

 about forty feet from the ground, and about six feet from the top 

 of the tree. The eggs, four in number, were in an advanced 

 state of incubation. 



I subsequently found the Olive Warbler both in the Graham 

 and the White Mountains. This latter range is in east-central 

 Arizona, and is apparently the northern limit of distribution of 

 this species. 



The body and walls of the nest are composed of rootlets and 

 flower stalks of Spirea discolor, and the inner lining consists of 

 fine rootlets and a very small quantity of vegetable down. It is 

 a compactly built structure, measuring about 4 inches in outer 

 diameter by \\ inches in depth; the inner cup measures 2 inches 

 in width by ij^ inches in depth. 



The eggs are ovate in shape, the shell is fine grained and with- 

 out lustre. The ground color is sage green and the egg is heavily 



