Abstract
The following Paper gives the results of an investigation of the Flora and Fauna associated with the various coal seams in a part of the South Wales Coalfield. An account of the ecology of some of the lower seams was given in ‘Quart. Jl. Geol. Soc.,’ vol. 77, 1921, and a preliminary list of the species recorded from the Westphalian and lower part of the Staffordian Measures was given, in 1920, to the Manchester Institution of Mining Engineers (‘Transacts.,’ vol. 59, Part III).

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