En 4°. Incluye ilustraciones, 31 cm.

Se trata del informe del Challenger Expedition (1872-1876).
Contenidos: Vol. I--Pt. 1-Report on present state of knowledge of various insular floras, being an introduction to the first three parts of the botany of the Challenger Expedition / William Botting Hemsley. Pt. 2- Report on the botany of the Bermudas and various other islands of the Atlantic and Southern Oceans. First part. / William Botting Hemsley. Pt. 3-Report on the botany of the Bermudas and various other islands of the Atlantic and Southern Oceans. Second part. / William Botting Hemsley.-Pt. 4-Report on the botany of Juan Fernandez, the south-eastern Moluccas, and the Admiralty Islands / William Botting Hemsley.--Vol. II-Report on the Diatomaceae collected by H.M.S. Challenger during the years 1873-76 / Conte Abate Francesco Castracane Degli Antelminelli.