Discusses the power of land covered with snow to radiate heat.
Criticises CL’s discussion of slavery [in Travels in North America (1845)]. A review of CL’s book is in Gardeners’ Chronicle.
Mentions John Lindley’s views on carbonic acid gas and extinction;
refers to the discussion of multiple and single creations in Humboldt’s Kosmos.
The origin of volcanic craters of elevation.
There is a popular demand for a new edition of Principles.
Praises palaeobotanical work of C. J. F. Bunbury.