sentences:  During this period he edited 33 volumes of "Proceedings" with the greatest care.Fletcher also published in 1892 a selection of "Sermons, Addresses and Essays" by his father, with a biographical sketch, and in 1893 edited The Macleay Memorial Volume, for which he wrote an excellent memoir of Macleay.He had done some very good research work in connexion with the embryology of the marsupials, and on Australian earthworms.