10. 
11. 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
THE LICHENS OF SOUTH LANCASHIRE. 135 
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pp. 290 et seq. 
(b) “Smoke and Smoke Prevention," in Thorpe's ‘ Dictionary of 
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LEYLAND, В. (1784-1847.) 
Herbarium in Belle Vue Museum, Halifax. 
Macris, R. С. 
Air and Health (1909), рр. 135-160. 
MANCHESTER AIR ANALYSIS COMMITTEE. 
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Marrat, F. P. 
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Moutwevx, J. (1791-1873.) 
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Ray, J. 
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(b) Synopsis Methodica Stirpium Britannicarum, ed. 2. (1696.) 
Ruston, A. G. 
<“ Air Pollution by Smoke,” in * Nature,’ Aug. 8, 1912. 
Зее also COHEN and RUSTON. 
SANDSTEDE, H. 
« Die Flechten des nordwestdeutschen Tieflandes und der deutschen 
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Умггн, Sir J. Е. 
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STANSFIELD, А. (1802-1880.) 
<“ Observations on the Botany of the Forest of Rossendale,” in 
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STANSFIELD, А. and J. А. NoweLL.—Flora of Todmorden. (First 
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Travis, W. G. 
<“ Lecanora atrynea, Nyl., in South Lancashire,” in ‘Lancashire 
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See also under WHELDON, J. А. 
