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.

2

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)