EXPLANATION OF PLATES. 333 



Plate 34. 



Upper : Nest and eggs of Franklin's gull, Lake of the Narrrovvs, Saskatchewan, 



June 9, 1905. 

 Lower : Nest and young of same, in above locality, referred to on page 165. 



Plate 35. 



Upper : Pair of Franklin's gulls on their nest, North Dakota. 



Lower: Group of Franklin's gulls in nesting colony. Lake of the Narrrows, 



Saskatchewan, June 9, 1905. Both photographs presented by Mr. Herbert 



K. Job. 



Plate 36, 



Upper: Nesting site of Sabine's gull, Saint Michael, Alaska, June 5, 1915, i-e- 



ferred to on page 192. 

 Lower : Nest and eggs of same in above locality. Both from negatives taken 



by Mr. F. S. Hersey for the author. 



Plate 37. 



Upper : Nest and eggs of Sabine's gull. Saint Michael, Alaska, June 5, 1915, re- 

 ferred to on page 192. 



Lower: Young Sabine's gull, Saint Michael, Alaska, June 19, 1915. Both from 

 negatives taken by Mr. F. S. Hersey for the author. 



Plate 38. 



Upper: Nesting site of gull-billed tern, Cobb Island, Virginia, June 26, 1907, 



referred to on page 198. 

 Lower : Nest and eggs of same in above locality. 



Plate 39. 



Upper: Gull-billed tern in its nest, Cobb Island, Virginia, July, 1902, from a 

 photograph taken by Dr. Frank M. Chapman, published by his permission and 

 by courtesy of D. Appleton & Co., publishers of " Camps and Cruises." 



Lower: Young gull-billed tern, Cobb Islaml, Virginia, a photograph pre- 

 sented by Mr. Herbert K. Job. 



Plate 40. 



UpiHT : Nests jiikI eggs of Caspian tern, Grand Cochere, Louisiana. June 19, 



1910, referred to on page 204. 

 Lower : One of above nests. 



Plate 41. 



Caspian tern on its nest, Alexander Island, Ix>uisiana, July 3, 1918, a photo- 

 graph presented by Mr. Stanley C, Arthur, 



Plate 42. 



Upper: Nesting colony of Caspian terns, Ivower Klamath Lake, Oregon, re- 

 ferred to on ))age 205. 



Lower : Old and young birds in above colony. Both photographs presented by 

 Mr. William L. Finley. 



