| Disgrifiad | i. 20 April 1857 - Zurich - Non receipt of case and letter. Collections of lichens-further four vols. available 4-6 weeks. (German).
ii. 23 March 1857 - Wentworth - Publications.
iii. 9 December - Zurich - Sending Lichens V-VIII and sample of spore collection. Lists costs. Will continue his work in four vols. (IX-XII). Thrid part of spore illustrations for Mr. Th. Jones. Box Adm. Th. Jones . (German).
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