An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian, by Nathaniel Lord Britton and Addison Brown. The descriptive text chiefly prepared by Britton, with the assistance of specialists in several groups; the figures also drawn under his supervision.

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A history of the British zoophytes. By George Johnston.

2, Plates

The nature-printed British sea-weeds : a history, accompanied by figures and dissections of the Algae of the British Isles / By William Grosart Johnstone and Alexander Croall. Nature printed by Henry Bradbury.

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A history of the British freshwater Algæ, including descriptions of the Desmideæ and Diatomaceæ ... By Arthur Hill Hassall ...

1, Text

A history of the British marine Polyzoa / By Thomas Hincks.

2, Plates

Supplement to Orchids of Guatemala, and British Honduras / by Donovan S. Correll.

v.31:no.7(1965)

A history of the British zoophytes. By George Johnston.

1, Text