DELAWARE VALLEY ORNITHOLOGICAL CLUB. 15- 



Horned Larks (probably Otocoris a. praticola) were heard and 

 seen, and along the base of the mountains Blue Jays and Juncos 

 were quite common. Here I noticed a Raven chasing a Crow, 

 and shortly afterward another one joined it and both soared 

 about uttering their hoarse " crrruck." They seemed far larger 

 than the Crow, flew more easily and sailed much more fre- 

 quently, while their wings and tail seemed much more con- 

 spicuous than those of the Crow. Owing to the deep snow it 

 was very hard to get to the cliff, but on reaching it we saw a 

 new nest in the most inaccessible portion of the rock. After 

 some hard work the nest was reached, and I found it nearly 

 completed, as the wool lining was just being inserted. The nest 

 was on a ledge about 10 feet above the shelf which supported 

 last year's nest. The sticks on the exterior were freshly broken, 

 and a large number of sticks lay under the cliff, where they had 

 fallen from the nest above. While we were at the nest the 

 Ravens were flying about on the other side of the gap and con- 

 stantly uttering their hoarse cries. 



February 25, 1910. With Foster White I drove over in a 

 sleigh to look at the Ravens' nest. As we neared the cliff I saw 

 one of the birds perched on a dead stub near by, but soon per- 

 ceiving us it took wing. Shortly afterward its mate flew directly 

 from the nest and the two soared over us for a while, their cries 

 varying from a hoarse "craw" to the usual "crrruck." The 

 birds soon soared over to the far side of the gap, where they 

 perched close together on an old stub, and remained silently 

 there during the half hour we remained at the nest, vainly try- 

 ing to secure some photographs. As the birds soared over us I 

 noticed that the feet are drawn up against the abdomen and not 

 stretched out behind. On inspection the nest was found to 

 contain two eggs. 



February 26, 1910. When we reached the cliff no Ravens 

 were to be seen. We examined the nest and found that another 

 egg had been deposited. As we stood hidden near the nest we 

 heard a coarse ' ' craw ' ' and the Ravens appeared, one flying 

 low and the other high up, the upper one giving a beautiful 

 exhibition of aerial gyrations. The lower bird, probably the 

 female, soon went to the nest, but the other soared about for a 



