Xxiv KEI'OKT— lOUO. 



Page 

 G. The DefeDsive Earthworks of Yorkshire. By Mes. Aemitage 1)13 



4. *Oii the Prehistoric Antiquities of Rumbald's Moor. By Butlee Wood 913 



5. On the Occurrence of Flint Implements of Pah^olithic Type on an old 

 Land-surface in Oxfordshire, near AVolvercote aud Pear Tree Hill, 

 too:ether with a few Implements of various Plateau Typos. By A. M. 

 Bell, M.A 913 



6. On the Physical Oharacteristics of the Population of Aberdeenshire. By 



J. Geay, B.Sc, and J. F. Tochee, F.I.C 913 



7. Report on the Age of Stone Circles (p. 401) 915 



Section K.— BOTANY. 

 THURSDAY, SEPTEMBER G. 



Address by Professor Sydney H. Vines, M.A., n.Sc, F.R.S., President of 



the Section 91 G 



1. Report on Experimental Investigation of Assimilation in Plants (p. 569) 930 



2. Report on Fertilisation in the Phseopliycone (p. 569) 930 



3. British Sylviculture. By Samuel Maegeeison 930 



4. The Great Smoke-Cloud of the North of England and its Influence ou 

 Plants. By Albeet Wilson 930 



5. A Gymnosporaugium from China. By F. E. Weiss 931 



6. Pemonstration of the Structure and Attachment of tlie Flagellum in 

 Euglena viridis. By IIaeold Wauee 931 



7. On the Structure of the Root-nodules of Alnus glutinosa. By T. W. 



WOODHEAD 931 



8. Fungi found in Ceylon growing upon Scale-insects (Ooccidse and Aleuro- 



didse). By J. Paekin, M.A 932 



FRIDAY, SEPTEMBER 7. 



1. *0n the so-called Optimum Strength of CO., for Assimilation. Bv Dr. 



F. F. Blackman ; .'. 933 



2. *0n the Effect of the Closure of Stomata on Assimilation. By Dr. F. F. 

 Blackman and Miss Matth.si...., 934 



3. Formation of Starch from Glycollic Aldehyde by Green Plants. By 

 Heney Jackson, B.A., B.Sc 934 



4. On the Effect of Salts on the CO., Assimilation of Ulva latisslma, L. By 



E. A. Newell Aebee, B.A .". 934 



6. The Sea-weed Ulva latissiina and its Relation to the Pollution of Sea- 

 water by Sewage. By Professor Letts, D.Sc, Ph.D., and John H.vW' 

 THOENE, B.A 935 



6. Germination of the Zoospore in Laminariacete. By J. Lloyd Williams 936 



7. *A Lecture on Plant-form in Relation to Nutrition. By Pi'ofessor Peecy 



Geoom 930 



SATURDAY, SEPTEMBER 8. 



1. On Double Fertilisation in a Dicotyledon — Caltha palustris. By Ethel 



N. Thomas 936 



2. The Conducting Tissues of Bryophy tes. By A. G. Tansley 937 



