Scope and Contents Letters were written by Captain Richard Brown whilst at Sydney Mines, Cape Breton, Nova Scotia. Summarised by Lyell as: 1) Cape Breton Coal beds with roots of Stigmaria. Brown apologises for delay in response, but he has been busy and often away from home. Talks of survey work at Cape Dauphin - and his study on coal fields, conglomerate and gypsum. He has sent coal plants and fossils found there, and which he has written about, to Charles Bunbury. "the only leisure time I have is...

Scope and Contents Discussions on: Pterrid forms like recent species common to America and Europe; climate of coal period and growth of peat; on coal seams; ferns and their place in the growth of coal seams; on fossilised ferns in Lyell's North America collection which seem not to fit with the pre-conceived ideas; on the climate of coal; advances made since Lyell's most recent copy of 'Principles' (6th ed.); congratulating Lyell on the changes made in the 7th ed. of 'Principles'; on the wood remains at...

Scope and Contents Four letters containing information involving geological works as well as sharing personal information about Bunbury and Lyell's lives. 1) Bunbury mentions that he received broken specimens that revealed and helped him to analyse the inner texture of the specimen carefully. He also mentions of Mary's recovery from ill health. 2) Refers to geologist William Hooker as well as Leyden. Discusses Lyell's "Principles"- pg. 327, 10th edition. He suggests Lyell to write another...