ANNUAL REPORT FOR 19OO. 89 



those knolls were present, with a considerable number ot men 

 disting-uished in the science, who had been attracted to the 

 subject and the district by Mr. Tiddeman's paper, and the 

 discussion which followed it. The excursion was most 

 successful. The evidences for and ag-ainst contending- theories 

 were shown to the visitors, and points were raised and discussed 

 which will no doubt be heard of again in the near future. The 

 list of geologists — between 30 and 40 in number — who were 

 present is worth placing on record as being exceptional, if not 

 unique, at any single gathering in the field. 



Alfred Birtwhistle, M.A., Skipton. John E. Marr, M.A., F.R.S., F.G.S., 



Rev. J. F. Blake, M.A., F.G.S., Cambridge. 



London. H. W. Monckton, F.L.S., F.G.S., 



J. Wesley Carr, M.A., F.L.S., Temple, E.G. 



F.G.S., Nottingham. J. R. Mortimer, Driffield. 



Wm. Cash, F.G.S., Halifax. H. B. Muff, Bradford. 



Capt. A. R. Dwerryhouse, F.G.S., R. D.Oldham, E.G. S., Superintendent 



Leeds. Geological Survey of India. 



F. W. Harmer, F.G.S., Norwich. Clement Reid, F.L.S., F.G.S., 

 Edwin Hawkesworth, Leeds. Geological Survey. 

 Wheelton Hind, M.D., B.S. Lond., Thos. Sheppard, F.G.S., Hull. 



F.R.C.S., F.G.S. Wm. Simpson, F.G.S., Hahfax. 



J. H. Howarth, F.G.S., Halifax. J. W. Stather, F.G.S., Hull. 



Percy F. Kendall, E.G. S., Leeds. R. H. Tiddeman, M.A., F.G.S., 



G. W. Lamplugh, F.G.S., Geological Geological Survey (Leader). 

 Survey, Tonbridge. Wm. Whitaker.B.A., E.R.S., E.G.S., 



Robert Law, F.G.S., Hipperholme . Croydon. 



Joseph Lomas, F.G.S. , Birkenhead. J. J. Wilkinson, Skipton. 



Only a few g^eologists were present on September 15th, on 

 the occasion of the excursion to Whitby and Sandsend. 

 The liassic beds, however, with their plentiful store of 

 attractive fossils, amply repaid those few who were able to 

 attend. The fact, however, that this excursion fell so soon 

 after the British Association and Grassington excursion had 

 something to do with the small attendance. 



The Committees of Research have continued their investi- 

 gations during the year with more or less satisfactory results. 



The Yorkshire Micro-Zoology and Micro- Botany Com- 

 mittee. — Mr. M. H. Stiles, F.R.M.S., the convener, reports 

 that the past year has been signalised by the publication of the 

 first part of the Alga-Flora of Yorkshire, written by Mr. W. 

 West, F.L.S. (ex-President of the Y.N.U.), assisted by his son, 

 Mr. G. S. West, B.A., A.R.C.S. The result is a great increase 

 in the number of species and varieties over those given in 

 Lees' Flora of West Yorkshire, and also in the number of 

 localities for species already recorded. Mr. West hopes to 

 further amplify this list, and additional gatherings and verified 

 records will be gladly welcomed by him. Mr. Stiles (convener 

 of the Committee) has continued his examination of diatomaceous 

 gatherings from various parts of the Doncaster district, and 

 hopes at an early date to publish a list in the ' Naturalist. ' 



