Birds and Seasons 



139 



night migrating birds may be observed in large numbers with a low-power telescope; 

 even a mariner's hand-glass will prove serviceable. The telescope should be focused on 

 the moon, against which birds in passing are silhoueted. (See Scott, Bull. Nuttall Orn. 

 Club, V, 1880, p. 151; Chapman, 'The Auk,' V, 1888, p. 37.) Why do more birds 

 strike lighthouses in the fall than in the spring? (See Allen, Bull. Nuttall Orn. Club, 

 V, 1880, 131. On the general subject of migration, see especially, Brewster Memoir No. 

 I, of the Nuttall Orn. Club, of Cambridge, Mass.) 



SUGGESTIONS FOR THE SEASON'S READING 



Thoreau : 'A Week on the Concord and Merrimac Rivers.' Torrey: 'The Passing 

 of the Birds' in 'The Foot-path Way.' Flagg: 'August and September' in 'A Year 

 with the Birds.' Bolles: 'At the North of Bearcamp Water.' Wright: 'A Song of 

 Summer' and 'Rustling Wings' in 'The Friendship of Nature.' Crockett: 'August' 

 and ' September' in 'A Yearbook of Kentucky Woods and Fields.' IngersoU . ' Nature's 

 Diary.' Chapman: 'Where Swallows Roost' in ' Bird Studies with a Camera.' 



What Bird is This ? 



Field Description. — Length, 5.25 in. Upper parts olive-green. Under parts soiled yellowish white. 



Note. — Each number of Bird-Lore will contain a photograph, from specimens in 

 the American Museum of Natural History, of some widely-distributed, but, in the 

 eastern United States, at least, little-known bird, the name of which will be withheld 

 until the succeeding number of the magazine, it being believed that this methodgfof 

 arousing the student's curiosity will result in impressing the bird's characters on his 

 mind far more strongly than if its name were given with its picture. 



The species figured in June is the Cape May Warbler. 



