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TRANS A C TIONS of the YORKSHIRE NA JURA LIS TS' UNION. 



PART I. FOR 1S77 contains the commencement of "The Birds of Yorkshire," 

 by Mr. W. E. Clarke, M.B.O U. ; of an " Annotated List of the Land and Fresh- 

 water Moilusca of Yorkshire," by Ttlessrs. Wm. Nelson and J. W. Taylor; a 

 complete list of Yorkshire Hymenoptera, with references to literature of that 

 order, by Mr. "W". Denison Roebuck; a paper on " Yorkshire Macro-lepidoptera 

 in 1877," by Mr. €r. T. Porritt, F.L.S. ; one on "Yorkshire Micro-lepidoptera 

 in 1877," by Mr. Wm. Prest ; papers by Mr. S. L. Mosley, on "Yorkshire Diptera,' 

 and on the Yorkshire species of Hemiptera of the Family Psyllida^ ; and a 

 report on Yorkshire Botany in 1877, by Dr. H. F. Parsons, F.G.S. ^ 



PARTS II. AND III. FOR 1878 contain the continixations of Mr. Clarke's 

 Birds of Yorkshire, and of Messrs. Nelson and Taylor's Land and Fresh-wate/ 

 Moilusca of Yorkshire ; an elaborate report on Yorkshire Botany in 1878, ,^by 

 Dr. Parsons; the commencement of Dr. Parsons' "Moss-Flora of the East- 

 Riding"; papers on Yorkshire Lepidoptera in 1878, by Mr. Porritt, F.L.S. : on 

 Yorkshire Ichneumonidce, by Mr. S. D. Bairstow, F,L.S. ; and on Yorkshire 

 Hymenoptera, observed in 1878, by Mr. W. Denison Roebuck. 



AY. Denison Roebuck, Sunny Bank, . 



' -Leeds, o.,., 

 Wm. E. Clarke, i"^^^^' 

 5, East View, Hyde Park Road, Leeds, ' ,^ 



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The largest and best stock of Bird-Skins and Birds' Eggs in England. Catalogues 

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"Bijou List of British Butterflies," Beautifully printed in colouiB 



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"Graduated List of British Birds." specially prepared for 

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 " Lepidopterists' Calendar," Limp Cloth, 3/6. Interleaved, 5/- 



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