II.—The Birds
Scarcely had he finished the twelve volumes of Quadrupeds when Buffon turned to the Birds. If this section were less exacting, yet it made enormous claims upon his attention, and nine volumes were occupied before the history of the class was concluded. Publication of "Des Oiseaux" was begun in 1770, and continued intermittently until 1783. But troubles dogged the great naturalist. The relations between him and Daubenton had grown acute, and the latter, unwilling any longer to put up with Buffon's love of vainglory, withdrew from the enterprise to which his co-operation had imparted so much value. Serious illness, also, and the death of Buffon's wife, caused a long suspension of his labours, which were, however, lightened by the assistance of Guéneau de Montbéliard.
One stroke of luck he had, which no one will begrudge the weary Titan. James Bruce, of Kinnaird, on his return from Abyssinia in 1773, spent some time with Buffon at his château in Montbard, and placed at his disposal several of the remarkable discoveries he had made during his travels. Buffon was not slow to appreciate this godsend. Not only did he, quite properly, make the most of Bruce's disinterested help, but he also expressed the confident hope that the British Government would command the publication of Bruce's "precious" work. He went on to pay a compliment to the English, and so commit them to this enterprise. "That respectable nation," he asserts, "which excels all others in discovery, can but add to its glory in promptly communicating to the world the results of the excellent travellers' researches."
Still unfettered by any scheme of classification, either scientific or logical, Buffon begins his account of the birds with the eagles and owls. To indicate his course throughout the vast class, it will suffice to name a few of the principal birds in the order in which he takes them after the birds of prey. These, then, are the ostrich, bustard, game birds, pigeons, crows, singing birds, humming birds, parrots, cuckoos, swallows, woodpeckers, toucans, kingfishers, storks, cranes, secretary bird, herons, ibis, curlews, plovers, rails, diving birds, pelicans, cormorants, geese, gulls, and penguins. With the volume dealing with the picarian birds (woodpeckers) Buffon announces the withdrawal of Guéneau de Montbéliard, and his obligations for advice and help to the Abbé Bexon (1748–1784), Canon of Sainte Chapelle in Paris.
III.—Supplement and Sequel
At the same time that the Birds volumes were passing through the press, Buffon also issued periodically seven volumes of a supplement (1774–1789), the last appearing posthumously under the editorship of Count Lacépède. This consisted of an olla podrida of all sorts of papers, such as would have won the heart of Charles Godfrey Leland. The nature of the hotchpotch will be understood from a recital of some of its contents, in their chronological order. It opened with an introduction to the history of minerals, partly theoretical (concerning light, heat, fire, air, water, earth, and the law of attraction), and partly experimental (body heat, heat in minerals, the nature of platinum, the ductility of iron). Then were discussed incandescence, fusion, ships' guns, the strength and resistance of wood, the preservation of forests and reafforestation, the cooling of the earth, the temperature of planets, additional observations on quadrupeds already described, accounts of animals not noticed before, such as the tapir, quagga, gnu, nylghau, many antelopes, the vicuña, Cape ant-eater, star-nosed mole, sea-lion, and others; the probabilities of life (a subject on which the author plumed himself), and his essay on the Epochs of Nature.
Nor did these concurrent series of books exhaust his boundless energy and ingenuity, for in the five years preceding his death (1783–1788), he produced his "Natural History of Minerals" in five volumes, the last of which was mainly occupied with electricity, magnetism, and the loadstone. It is true that the researches of modern chemists have wrought havoc with Buffon's work in this field; but this was his misfortune rather than his fault, and leaves untouched the quantity of his output.
Buffon invoked the aid of the artist almost from the first, and his "Natural History" is illustrated by hundreds of full-page copper-plate engravings, and embellished with numerous elegant headpiece designs. The figures of the animals are mostly admirable examples of portraiture, though the classical backgrounds lend a touch of the grotesque to many of the compositions. Illustrations of anatomy, physiology, and other features of a technical character are to be numbered by the score, and are, of course, indispensable in such a work. The editio princeps is cherished by collectors because of the 1,008 coloured plates ("Planches Enluminées") in folio, the text itself being in quarto, by the younger Daubenton, whose work was spiritedly engraved by Martinet. Apparently anxious to illustrate one section exhaustively rather than several sections in a fragmentary manner, the artist devoted himself chiefly to the birds, which monopolise probably nine-tenths of the plates, and to which he may also have been attracted by their gorgeous plumages.
As soon as the labourer's task was over, his scientific friends thought the best monument which they could raise to his memory was to complete his "Natural History." This duty was discharged by two men, who, both well qualified, worked, however, on independent lines. Count Lacépède, adhering to the format of the original, added two volumes on the Reptiles (1788–1789), five on the Fishes (1798–1803), and one on the Cetaceans (1804). Sonnini de Manoncourt (1751–1812), feeling that this edition, though extremely handsome, was cumbersome, undertook an entirely new edition in octavo. This was begun in 1797, and finished in 1808. It occupied 127 volumes, and, Lacépède's treatises not being available, Sonnini himself dealt with the Fishes (thirteen volumes) and Whales (one volume), P.A. Latreille with the Crustaceans and Insects (fourteen volumes), Denys-Montfort with the Molluscs (six volumes), F.M. Dandin with the Reptiles (eight volumes), and C.F. Brisseau-Mirbel and N. Jolyclerc with the Plants (eighteen volumes). Sonnini's edition constituted the cope-stone of Buffon's work, and remained the best edition, until the whole structure was thrown down by the views of later naturalists, who revolutionised zoology.