i6 

 LIST OF MEETINGS AND OFFICERS, 1891. 



President: 

 Prof. Arthur Smithells, B.Sc, F.I.C, F.C.S. 

 I "ice-Presidents : 

 Prof. DE Burgh Birch, M.D., F. W. Branson, F.I.C, F.C.S. 



F.R.S.E. J. Stubbins, F.L.S., F.R.M.S. 



Prof. L. C. Mi.\LL, F.L.S., F.C.S. 



Council : 

 J. YV. Addvman, B..\. H. B. Hewetson, M.R.C.S., 



J. Ch.\rteks Birch, L. D.S. F. L.S. 



W. CL.VPHAM. Harold W.ager, F.L.S. 



Edgar R. Waite, F.L.S. 



//on. Treasurer: //on. Librarian and Curator: 



J. Phillips. W. E. Collinge. 



//on. Secretary : 

 Arthur Walker. 



Feb. 2. The Progress of Natural Science— A. Smithells, B.Sc, F.I.C. 



,, 9. Conchological Notes — W. E. Collinge. 



,, 17. MedusEE and Cuttle Fish— J. M. Kirk, F.R.M.S. 



,, 2^. The Structure of Animal and Vegetable Cells — Harold Wager. 

 IMar. 2. General Natural History Exhibits. 



,, g. Examination of Third Day's Chick — Prof. L. C. IMiall, F.L.S., 

 F.G.S. 



,, 16. Diatomacese — James W. Addyman, B..\. 



,, 23. The Structure of a Flower Bud — Harold Wager. 

 April 6. Exhibition of Pond Life. 



,, 13. Preparation of Lepidopterous Larxye — Edgar R. Waite, F.L.S. 



,, 20. Fog — The President. 



,, 25. Excursion to Boroughbridge and Aldborough — Dr. A. D. H. 

 Leadman, F.S.A. (leader). 



,, 27. Examination of Results. 

 May I. Exhibition of the Low Forms of Vegetation. 



Bacteria from Dr. Koch's Laboratory — Dr. 01i\er. 



,, g. Excursion to Adel and Bramhope. 



,, II. Conversational Meeting. 



,, 25. Conversational Meeting. 



,, 30. Excursion to Ingleton. 

 June I. Exhibits to illustrate Vegetable Structure. 



,, 6. Excursion to Roth well and Middleton. 



,, 8. Conversational Meeting. 



,, 15. The Prothallus of a Fern — Harold Wager. 



,, 20. Excursion to Knaresborough and Plumpton. 



,, 22. Conversational Meeting. 



,, 29. Development of the Eggs of Chironomus — Prof. L. C. Miall, 

 F.G.S. , F.L.S. 

 July 4. Excursion — Sheffield Botanical Gardens and the Ruskin 

 Museum. 



