EXPLANATION OF PLATES. 337 



Plate 72. 



Nesting colony of noddies, Bird Key, Dry Tortugas, Florida, a photograph 

 presented by Mr. Herbert K. Job. 



Plate 73. 



Upper: Nest and egg of noddy, Bird Key, Dry Tortugas, Florida. 

 Lower: Pair of noddies at their nest in same locality. Both photographs 

 presented by Mr. Herbert K. Job. 



Plate 74. 



Upper: Young noddy in its nest, Dry Tortugas, Florida. 



Lower: An older bird in same locality. Both from photographs taken by Dr. 

 Joseph Thompson and published by courtesy of Bird-Lore. 



Plate 75. 



Upper: Black skimmers flying over their nesting colony, Battledore Island, 



Louisiana, June 21, 1910, referred to on page 312. 

 Lower: View in above colony. 



Plate 76. 



Upper: Nest and eggs of black skimmer on sandy beach, Wreck Island, Vir- 

 ginia, June 28, 1907, referred to on page 312. 



Lower: Nest and eggs of same on shell beach, Battledore Island, Louisiana, 

 June 21, 1910, referred to on page 312. 



Plate 77. 



Upper : Young black skimmer, recently hatched, Cobb Island, Virginia, from a 

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

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



Lower : Young black skimmer in juvenal plumage, September 19, 1895, a photo- 

 graph, slightly retouched on top of head and back, presented by Dr. K. W. 

 Shufeldt. 



COLORED plates. 



The eggs illustrated in the colored plates were selected from the collection of 

 the United States National Museum, except where otherwise indicated. After 

 the Museum catalogue number of each specimen is given the locality, the date, 

 and the name of the collector as far as known. 



Plate 78. 



1. Pomarine jaeger, 18458, Greenland, Governor Fencker. 



2. Pomarine jaeger, 18459, Greenland, Governor Fencker. - 



3. Skua, 24541, Shetland Islands, June 28, 1884, A. Hopeland. 



4. Parasitic jaeger, 24542, Monsay coast of Shetland Islands, June 2, 1881, B. 



Turnbull. 



5. Parasitic jaeger, 22155, Kodiak Island, Alaska, June 19, 1884, W. J. Fisher. 



