Audubon's inscription in a copy of the _Ornithological Biography_, which he presented to William MacGillivray in 1839 _Facing_ 138 Early drawings of American birds, 1807-12, hitherto unpublished: the Whippoorwill and the American Robin, with details _Facing_ 144 Bust of Audubon by William Couper, in front and profile views. After the original in the American Museum of Natural History, New York _Facing_ 160 Life mask of Audubon, hitherto unpublished, in front and profile views. After the original made by Robert Havell in London, now in possession of the Museum of Comparative Zoölogy of Harvard University _Facing_ 178 Canvas-backed Ducks, with distant view of the city of Baltimore, Maryland, _The Birds of America_, Plate CCCI. After the original engraving by Robert Havell, 1836. Color _Facing_ 196 Victor Gifford Audubon _Facing_ 210 John Woodhouse Audubon _Facing_ 210 Title page of the paper covers in which parts of the first American (octavo) edition of _The Birds of America_ were originally issued 213 Audubon. After a portrait painted by John Woodhouse and Victor Gifford Audubon about 1841 _Facing_ 226 "Minnie's Land," Audubon's home on the Hudson River, as it appeared in 1865. After a lithograph in Valentine's _Manual_ _Facing_ 236 "Minnie's Land," as it appears to-day from the river front protected by the retaining wall of Riverside Drive _Facing_ 236 Audubon, with gun, horse, and dog. After a painting by John Woodhouse Audubon about 1841 _Facing_ 244 Letter of Edward Harris to Audubon, January 31, 1843 251 Drawings for _The Viviparous Quadrupeds of North America_: the American or Canada porcupine and rabbits. After the originals in water color in the American Museum of Natural History, New York _Facing_ 264 Title page of Volume I of the English edition of the text of _The Viviparous Quadrupeds of North America_ 275 John W. Audubon's inscription in a copy of Volume I of the text of the _Quadrupeds_ (English edition), presented to John Edward Gray 280 Audubon. After an engraving by Nordheim of a daguerreotype possibly earlier than 1849 _Facing_ 280 Audubon. After his last portrait, a daguerreotype made in New York about 1850 _Facing_ 280 Letter of John Bachman to George Oates, November 7, 1846 282