36 The Wilson Bulletin. 



ical catalogue instead of one thrown together with little reference 

 to logical sequences below the higher groups, the question of no- 

 menclature or sequence would be the same wherever the begin- 

 ning should be made. 



The author has the hearty thanks of all who have the interests 

 of a more comprehensive literature relating to the birds of this 

 continent at heart. There is no "Imperialism" involved in the 

 invasion of Mexico and the Central American States for ornith- 

 ological research.— L. J. 



Amateur Sportsman, The, XXVI., No. 4, 1902. 



American Monthly Microscopical Journal, The, XXIII., Nos. 

 1 and 2, 1902. 



American Ornithology, II., No. 1, 1902. 



Bird-Lore, IV., No. 1, 1902. 



Birds and Nature, XI., Nos. 1 and 2, 1902. 



Bulletin No. 57, Pennsylvania State College Agricultural Ex- 

 periment Station. 



Maine Sportsman, IX., No. 12, 1902. 



Osprey, The, I., No. 1, 1902. New series. 



Plant World, The, V., No. 1, 1902. 



