Thanks CL for loan of [Matthew Fontaine?] Maury’s map.

Discusses possibility of submerged continental extension including Madeira, Canaries, and Azores.

Mentions icebergs as carriers of European plants.

Hooker’s work on Antarctic flora.

Comments on coolness of tropics in glacial period and consequent migrations. Hooker’s views on this.

CD writing species sketch; must cite cases favouring multiple creations.

Requests details on species JDH listed as common to Chile and New Zealand. Notes their genera are mundane.

Will use Boltenia case cautiously, if at all.

Polyzoa.

Bisexualism in Flustra and Ascidia.