336 EXPLANATION OF PLATES. 



Plate 63. 



Upper : Nesting site of least terns, Dartmouth, Massachusetts, June i.% 1919. 

 Lower : Nest and eggs of same, in above locality, June 16, 1916. 



Plate 64. 



Upper: Nest and, eggs of least tern, Newport Beach, Orange County, California; 



a photograph presented by Mr. Wright M. Pierce. -■ - • " 



Lower: Least terns and young, Louisiana, a photograph presented by Mr. 



Alfred M. Bailey. ■■•' 



Plate 65. 



Upper : Young least tern, half grown. 



Lower: Young least tern, recently hatched. Both photographs presented by 

 Mr. Edward H. Forbush. 



Plate 66. 



Upper : Nesting colony of sooty terns, Bird Key, Dry Tortugas', Florida. 

 Lower : Bird on its nest in above locality. Both photographs presented by Mr. 

 Herbert K. Job. 



Plate 67. 



Upper : Nest and two eggs of sooty tern, Bird Key, Dry. Tortugas, Florida. 

 Lower : Ordinary nest of same in above locality. Both photographs presented 

 by Mr. Herbert K. Job. 



Plate 68. 



Upper: Young sooty tern, 8 days old, Dry Tortugas, Florida. 



Lower: An older bird, 25 days old. Both from photographs taken by Prof. 

 John B. Watson, published by his permission and by courtesy of Bird- 

 Lore. 



Plate 69. 



Upper : Nesting site of black terns, Steele County, North Dakota, June 9, 1901, 



referred to on page 291. 

 Lower : Nest and eggs of same in above locality. 



Plate 70. 



Upper : Nesting Mte of black tern, Barr Lake, Colorado. 



Lower : Nest and eggs of same in above locality. Both photographs presented 

 by Mr. Robert B. Rockwell. 



Plate 71. 

 Upper : Black tern at its nest, Minneapolis, Minnesota, June, 1918. 

 Lower : Another bird and nest. Both photographs taken by Mr. Jenness Rich- 

 ardson and presented by the University of Minnesota. 



