session 1907 - 1908 . 
XI 
265th Ordinary Meeting, 28th January, 1908, at St. Albans. 
Dr. John Morison, F.Gr.S., Yice-President, in the Chair. 
Mrs. Leon M. Lyon was elected a Member of the Society. 
Mr. A. E. Gribbs exhibited a collection of Diptera which he 
had mounted for the County Museum in illustration of the list 
contributed to the Society by himself and Mr. Barraud on the 
23rd of April, 1907. 
The following lecture was delivered :— 
“ The Bakota GJ-orge of the Zambezi: a study in River 
Erosion.” By Gr. W. Lamplugh, F.R.S., F.Gr.S. 
The lecture was illustrated by lantern-slides. 
266th Ordinary Meeting, 11th February, 1908, at St. Albans. 
Dr. John Morison, F.Gr.S., Vice-President, in the Chair. 
Miss King, Hill Poultry Farm, Leverstock Grreen, Hemel 
Hempstead, was proposed for membership of the Society. 
Mr. Gr. E. Bullen exhibited some birds which had recently 
been added to the County Museum ; and Mr. Everard Butcher 
exhibited a nest of the trap-door spider and a skeleton of the 
crucifix fish from British Gruinea. 
The following lecture was delivered :— 
“ The Camera as an aid to the study of Birds.” By William 
Bickerton, F.Z.S., M.B.O.XJ. 
This was a repetition of the lecture delivered at Watford on 
the 14th of January, and was illustrated by the same lantern- 
slides. 
267th Ordinary Meeting, 25th February, 1908, at Watford. 
John Hopkinson, F.L.S., F.Gr.S., F.K.Met. Soc., Assoc. 
Inst.C.E., in the Chair. 
Miss King withdrew her candidature for membership of the 
Society, as she was leaving the county. 
Mr. Gr. J. Roberts, 52 Addiscombe Road, Watford, was 
proposed for membership. 
The following lecture was delivered:— 
“ The Chalk of Hertfordshire and the Ocean in which it was 
formed.” By Henry Kidner, F.Gr.S. ( Transactions , Vol. XIV, 
pp. 5-14.) 
The lecture was illustrated by lantern-slides, diagrams,' and 
a collection of fossils characteristic of the zones of the Chalk. 
