Diary.— Meetings of Societies. 



May 3. Huddersfield Naturalists' Society. 



„ 4. Leeds Naturalists' Club, &c. — Entomological Section. Liversedge 



Naturalists'. Bishop Auckland Naturalists'. 

 „ 5. Wakefield Naturalists'. 

 „ 6. Bradford Scientific Association. 



„ 11. Bradford Naturalists' Society. — "Astronomy." — Mr. Illingworth. 



Leeds Naturalists' Club, &c.— Microscopical and Botanical 

 Sections. 



12. York and District Field Naturalists'. 

 ,, 13. Dewsbury Naturalists'. Bradford Scientific Association : Paper 



by Mr. H. Eowntree. 

 „ 14. Huddersfield Scientific Club. 

 „ 15. Huddersfield Naturalists'. 



„ 17. Manchester Cryptogamic. Yorkshire Naturalists' Union. — ^Excursion 



to Malton. 

 „ 18. Leeds Naturalists' Club, &c. 



„ 25. Bradford Naturalists' Society. — " Marvels of Pond Life." — Mr. 



Waddington. Leeds Naturalists' Club, ^zc. — Vetebrate Section. 

 29. North Staffordshire Field Naturalists'. — Excursion to Marple, in 



conjunction with the Manchester Clubs : Leader, Mr. Potter. 

 31. Huddersfield Naturalists'. Lancashire and Cheshire Entomological. 



WILL any Botanist meeting with Potamogetons or Charas during the ensuing 

 season kindly send me fresh or di'ied specimens, especially if in fruit ? 

 I shall be very pleased to send rare Southern, South-eastern, or Eastern flowering 

 plants in exchange, either living or dried. 



(P. crispm, densus, ftnd jJolpgonifoUus not wanted). — A. B., 107, High Street, 

 Croydon, Surrey. , 



TRA NSA C TIONS of the YORKSHIRE NA TURA LIS TS' UNION. 



PART I. FOR 1877, contains the commencement of "The Birds of 

 Yorkshire," by Mr. W. E. Clarke ; of an " Annotated List of the Land and Fresh- 

 water Mollusca 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. W. Denison Roebuck ; 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 ; papers by Mr. S. L. Mosley, on "Yorkshire Diptera," 

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

 report on Yorkshire Botany in 1877. 



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 

 Mollusca 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. Ponltt, F.L.S. ; on 

 Yorkshire Ichneumonidce, hy Mr. S. D. Bairstow, F.L.S. , und on Yorkshire 

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



PART IV. FOR 1879, in preparation. — Amongst i^apers in preparation for 

 future parts is a Gatologue of Yorkshire Lepidoptera, to be written by Messrs. 

 G. T. Porritt, F.L.S., and W. Brest. 



\ 



The Transactions are snpplied' to subscribers of 5/- and upwards, annually 

 to the funds of the Union. Intending subscribers are invited to send their names 

 to either of the Secretaries, 



Geo. Beook, ter, F.L.S., Fernbrook, \ 



Edgerton, Huddersfield, I o 



W. Denison Roebuck, Sunny Bank, j' 

 Leeds, •' 



