[34]. ‘Dr. Carpenter’s Microscope.’

[35]. These motions were discovered, and are described by Dr. Harvey, in his ‘Manual of British Marine Algæ.’

[36]. ‘Cryptogamic Botany.’ By the Rev. M. J. Berkeley.

[37]. ‘Cryptogamic Botany.’ By the Rev. M. J. Berkeley.

[38]. ‘The Microscope.’ By Dr. Carpenter.

[39]. ‘Cryptogamic Botany.’ By the Rev. M. J. Berkeley.

[40]. ‘British Seaweeds.’ By Mrs. Alfred Gatty.

[41]. ‘Flora Italica Crypta.’

[42]. Mr. Berkeley’s ‘Cryptogamic Botany.’

[43]. Berkeley’s ‘Cryptogamic Botany.’