Of birds, and he seems to have been the first to institute a direct comparison of their skeleton with that of man; but in this respect he only anticipated by a few years the more precise researches of Volcher Coiter, a Frisian, who in 1573 and 1575 published at Nuremberg two treatises, in one of which the internal structure of birds in general is very creditably described, while in the other the osteology and myology of certain forms is given in considerable detail, and illustrated by carefully drawn figures.
Entrusted to Vieillot, who, proceeding on a systematic plan, performed his task very creditably, completing the work, which forms two quarto volumes, in 1825, the original text and fifty-seven plates being relegated to the end of the second volume as a supplement.
The war in Afghanistan, which had begun with disaster, was creditably concluded.
Then, joining the main army under Napoleon, in the island of Lobau in the Danube, near Vienna, Eugene and Macdonald acquitted themselves most creditably in the great battle of Wagram (6th July 1809).
The least creditably administered of these are the asylums for abandoned infants; in I887, of a total of 23,913, 53.77% died; while during the years 1893-1896 (no later statistics are available) of 117,970 51.72% died.
In the campaign of 1864 he was placed at the head of the Army of the James, which he commanded creditably in several battles.