Diary.— Meetings of Societies. 



Ajuil 4. Bradford iSeientific Association. — Exhibition of Geological Speci- 

 mens, 7-30 p.m. 



5. Leeds Naturalists' Club, ire— Entomological and Vertebrate 



Sections, 8 p.m. 

 5. Liversedge Naturalists' Society. 

 „ '). Bishop Auckland Naturalists' Field Club. 



,, 6. Wakefield Naturalists' Society. — " British Ferns, their reproduc- 

 tion and classification," W. N. Cheesman, of Selby. 



7. Linnean Society of London, 8 p.m. 



8. Dewsbury Naturalists' Society. 



,, 9. Huddersfield Natuiulists' Society. 8 p.m. 



,, 11. Bradford Scientific Association. — Paper by J. S. Colefax. 



12. Leeds Naturalists' Club, &c., Microscopical and Botanical Sections. 



1 2. Bradford Naturalists' Society. — " Geological Time," W. Jagger, 

 7-30 p.m. 



12. Barnsley Naturalists' Society. — "Structure and Habits of Fish," 



Dr. Lancaster. 

 „ 13. York and District Naturalists' Field Club. 



18. Easter Monday, Bank Holiday". — Yorkshii-e Naturalists' Union 



Excui'sion to Skipton. 

 18. Manchester Cryptogamic Society, at Old Town Hall, King Street, 



7-30 pm.*^ 



„ 19. Leeds Naturalists' Club, (fee— Entomological and Vertebrate 

 Sections. 



,, 20. Wakefield Naturalists' Society. — "Extinct Animals of Yorkshire," 



W. D. Roebuck, of Leeds, 7-45 p.m. 

 ,, 21. Linnean Society of London. 



„ 2o. Huddersfield Naturalists' Society.— " Fertilization of Flowers," 



John Armitage. 

 ,, 25. Lancashire and Cheshire Entomological Society. 

 „ 25. Bradford Scientific Association. — J^Iicroscopical Evening, H. T. 



Soppitt. 



„ 26. Leeds Naturalists' Club, &c. — Lecture .• " Notes on Modern Chro- 

 matics," Henry Pocklington, F.R.M.S. 



„ 26. Bradford Naturalists' Society, — " Leguminous Plants," Mr. Faull. 



,, 26. Barnsley Naturalists' Society. — " Sketches of Insect Economy," 

 W. E. Brady. 



To C. R,, Sheffield, — We cannot insert any anonymous communications. 

 All articles and notes must be authenticated by the names and addresses of 

 their authors, not necessarily for publication, but as a guarantee of good faith. 

 —Eds. Nat. 



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



FART I. FOE 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 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 FsyUida; ; and a 

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



FARTS 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- 

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

 Yorkshire Ichnevmo/udce, by Mr. S. D. Baix'stow, F.L.S. ; and on Yorkshire 

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



FART IV. FOR 1879, in ]ireparation. — Amongst papers in preparation for 

 future i^arts is a Catalogue of Yorkshire Lepidoptera, to be wiitten by Messrs. 

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



The Transactions are supplied 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. 



W. Denison Roebuck, Sunny Bank, , 

 Leeds, 1 

 W.M. E. Clarke, { 

 5, East View, Hyde Park Tiond, Lco.ls, ) 



