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TRANSACTIONS of the YORKSHIRE N A TURA LISTS' UNION. 



PART I. FOR 1877 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 MoUusca of Yorkshire," by Messrs. Wm. Nelson and J. W. Taylor; a 

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

 order, by Mr. "VV. Denison Koebuck ; a paper on " Yorkshire Macro-lepidoptera 

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

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

 and on the Yorkshire species of Hemiptera of the Family Psyllidce ; and a 

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



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

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

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

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

 Eiding " ; papers on Yorkshire Lepidoptera in 1878, by Mr. P.orritt, F.L.S. : on 

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

 Hym^enoptera, observed in 1878, by Mr. W. Denison Eoebuck. 



W. Denison Eoebuck, Sunny Bank, s 

 Leeds, [ 

 Wm. E. Clarke, j^^*' 

 5, East View, Hyde Park Eoad, Leeds, ' 



H. W. MARSDEN, 



NATUEAL HISTOEY AGENT AND BOOKSELLEE. 



Cabinets and apparatus of all kinds, of the best make on the lowest terms, 

 British and European Macro-Lepidoptera, Preserved Larvae of rare British 



Lepidoptera. " 

 BOOKS. — New and Second-hand, on Natiiral History Subjects. 

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



on application. " , 



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



6d. 



Graduated List of British Birds," specially prepared for 

 reference and labelling, 6d. 

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



RECENT STREET, CLOUCESTER. 



