men, Walt Whitman, in his personality and as a literary force, seems to
have made the profoundest impression upon Mr. Burroughs, though
doubtless Emerson had a greater influence on his style of writing.

Expression appeared in The Atlantic Monthly in 1860, and most of his
contributions to literature have been in the form of papers first
published in the magazines, and afterwards collected into books.
He more than once paid tribute to his teachers in literature. His
first book, now out of print, was Notes on Walt Whitman, as Poet and
Person, published in 1867; and Whitman: A Study, which appeared in
1896, is a more extended treatment of the man and his poetry and
philosophy. Birds and Poets, too, contains a paper on Whitman,
entitled The Flight of the Eagle, besides an essay on Emerson, whom he
also treated incidentally in his paper, Matthew Arnold on Emerson and
Carlyle, in Indoor Studies; and the latter volume contains his essay
on Thoreau.

In the autumn of 1863 he went to Washington, and in the following
January entered the Treasury Department. He was for some years an
assistant in the office of the Comptroller of the Currency, and later
chief of the organization division of that Bureau. For some time he
was keeper of one of the vaults, and for a great part of the day his
only duty was to be at his desk. In these leisure hours his mind
traveled off into the country, where his previous life had been spent,
and with the help of his pen, always a faithful friend and magician,
he lived over again those happy days, now happier still with the
glamour of all past pleasures. In this way he wrote Wake-Robin and
a part of Winter Sunshine. It must not be supposed, however, that he
was deprived of outdoor pleasures while at Washington. On the
contrary, he enjoyed many walks in the suburbs of the capital, and in