Facing Page 



The White-fronted Geese (Color-plate) 1852 



Fulvous Tree Duck (Color-plate) 1876 



Nest and Eggs of Fulvous Tree Duck (Color-plate) 1880 



Great Blue Heron (Photogravure) 1888 



Anthony's Green Heron (Color-plate) 1906 



N/9 Anthony Green Heron (Duotone) 1908 



Au Revoir (Duotone) ■ 1910 



Humoresque (Duotone) 1914 



Medusa (Duotone) : . 1916 



A Tut-ankh-amen Frieze (Photogravure) 1924 



Inattention (Duotone) 1926 



Egyptienne (Duotone) 1930 



Farallon Cormorants, Adult and Young (Duotone) 1936 



A Tree-top Colony of Farallon Cormorants (Duotone) 1924 



A Trio of Shags' Nests (Duotone) 1946 



Breasting the Breeze (Duotone) i960 



"Where Alph, the sacred river, ran" (Photogravure) 1970 



Impending Tragedy (Duotone) 1974 



A Grave Subject (Duotone) 1978 



Taking Off (Duotone) 1980 



Black- vented Shearwater (Color-plate) 1998 



Beal's Petrel on Nest (Duotone) 2014 



Out of the Depths (Photogravure) 2040 



American Eared Grebe (Color-plate) 2050 



N/9 Eared Grebe (Duotone) 2054 



Contemporary Ancestors (Duotone) 2056 



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