Memorial to the Harvard Benevolent Society, 1833 August

Four drafts of a letter.

Reports on the results of dredging under the supervision of Alexander Agassiz in the Gulf of Mexico (1877-78), in the Caribbean Sea (1878-79), and along the Atlantic Coast of the United States (1880) by the U.S. Coast Survey steamer "Blake".

v.19:no.2 (1897)