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BOTANICAL TRANSACTIONS OF THE YORKSHIRE NATURALISTS' UNION, Volume I. 



8vo, Cloth, 292 pp. (a few copies only left), price 5/- net. 



Contains various reports, papers, and addresses on the Flowering Plants, Mosses, and Fungi of the county. 



Complete, Svo, Cloth, with Coloured Map, published at One Guinea. Only a few copies left, 10/6 net. 



THE FLORA OF WEST YORKSHIRE. By FREDERIC ARNOLD LEES, M.R.C.S., &c. 

 This, which forms the 2nd Volume of the Botanical Series of the Transactions, is perhaps the most 

 complete work of the kind ever issued for any district, including detailed and full records of 1044 Phanero- 



fams and Vascular Cryptogams, 11 Characeae, 348 Mosses, 108 Hepatics, 258 Lichens, 1009 Fungi, and 382 

 reshwater Algas, making a total of 3160 species. 



680 pp.. Coloured Geological, Lithological, &c. Maps, suitably Bound in Cloth. Price 15/- net. 

 NORTH YORKSHIRE: Studies of Its Botany, Geologry, Climate, and Physical Geography. 



By JOHN GILBERT BAKER, F.R.S., F.L.S., M.R.I. A., V.M.H. 

 And a Chapter on the Mosses and Hepatics of the Riding, by Matthew B. Slater, F.L.S. This Volume 

 forms the 3rd of the Botanical Series. 



396 pp.. Complete, 8vo., Cloth. Price 10/6 net. 



THE FUNGUS FLORA OF YORKSHIRE. By G. MASSEE, F.L.S., F.R.H.S., & C. CROSSLAND, F.L.S. 



This is the 4th Volume of the Botanical Series of the Transactions, and contains a complete annotated list 

 of all the known Fungi of the county, comprising 2626 species. , 



Complete, Svo, Cloth. Price 6/- post free. 



THE ALGA-FLORA OF YORKSHIRE. By W. WEST, F.L.S., & GEO. S. WEST, B.A., A.R.C.S., F.L.S. 



This work, which forms the 5th Volume of the Botanical Series of the Transactions, enumerates 1044 

 species, with full details of localities and numerous critical remarks on their affinities and distribution. 



Complete, Svo, Cloth. Second Edition. Price 6/6 net. 



LIST OF YORKSHIRE LEPIDOPTERA. By G. T. PORRITT, F.L.S., FES. 



The First Edition of this work was published in 1883, and contained particulars of 1340 species of 



Macro- and Micro-Lepidoptera known to inhabit the county of York. The Second Edition, with Supplement, 



contains much new information which has been accumulated by the author, including over 50 additional 



species, together with copious notes on variation (particularly melanism), &c. 



In progress, issued in Annual Parts, Svo. 

 TRANSACTIONS OF THE YORKSHIRE NATURALISTS' UNION. 



The Transactions include papers in all departments of the Yorkshire Fauna and Flora, and are issued in 



separately-paged series, devoted each to a special subject The Parts already published are sold to the public 



as follows (Members are entitled to 25 per cent, discount) : Part 1 (1877), 2/8; 2 (1878), 1/9; 3 (1878), 1/6; 4 (1879), 



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THE BIRDS OF YORKSHIRE. By T. H. NELSON, M.B.O.U., WILLIAM EAGLE CLARKE, F.L.S., 

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Annotated List of the LAND and FRESHWATER MOLLUSCA KNOWN TO INHABIT YORK- 

 SHIRE. By JOHN W. TAYLOR, F.L.S., and others. Also in course of publication in the Trans- 

 actions. 



THE YORKSHIRE CARBONIFEROUS FLORA. By ROBERT KIDSTON, F.R.S.E., F.G.S. Parts 14, 

 18, 19, 21, &c., of Transactions. 



LIST OF YORKSHIRE COLEOPTERA. By Rev. W. C. HEY, MA. 



THE NATURALIST. A Monthly Illustrated Journal of Natural History for the North of England. Edited 

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