Note 371 — Chapter XIX
Reading edition
1. Notes of a visit to the Chinchona Forests, by R. Spruce, Esq., printed by the Linnæan Society, vol. iv. of their Proceedings.
2. Mr. Spruce's Report to the Under Secretary of State for India, Oct. 12, 1860.
3. Report of the Expedition to procure Plants and Seeds of the Chinchona succirubra, by R. Spruce, Esq., Sept. 22, 1861.