488 Annual Report of the Council. 



December 2nd, 1890. 



"General, Morphological, and Histological Index to the Author's 

 Collective Memoirs on the Fossil Plants of the Coal Measures. 

 Part I." By William Crawford Williamson, LL.D., F.R.S., &c., 

 Foreign Member of the Royal Swedish Acad. Sc, and of the Royal 

 Society of Gottingen. 



*' On the Eniomostraca and Annelida in the Levenshulme Mottled Lime- 

 stones. " By Wm. Brockbank, F. L. S. , F. G. S. 



"On the Specific Heat of Non-Conductors. Part i : Caoutchouc." By 

 W. W. Haldane Gee, B.Sc, F.C.S., and Hubert L. Terry, F.I.C. 



December i6th, 1890, 



"On Low Temperatures." By Osborne Reynolds, LL.D., F.R.S. 



"On the Path of Migratory Birds." By H. H. Howorth, M.P., F.S. A. 



" On the Authorship of the Law of Equal Dilation of Gases known on the 

 Continent as that of Gay Lussac, and in England and America as 

 that of Charles." By H. B. Dixon, F.R.S. 



"On the Intensity of Transmitted Light when the co-efficient of trans- 

 mission of the medium is a function of time." By James Bottomley, 

 B.A., D.Sc, F.C.S. 



" On the Geological Section exposed by the railway cutting at 

 Levenshulme. Part I." By William Brockbank, F.L.S., F.G.S., 

 and C. E. de Ranee, F.G.S. 



"On the Action of various Chemical Compounds and Metals on India- 

 rubber." By William Thomson, F.R. S.Ed., F.C.S., and Frederick 

 Lewis. 



December 30th, 1890. 



"Description oi Drosera m^ermedza (Hayne), forma suhcatilesceyis, with 

 remarks on the Geographical distribution of the family." By James 

 Cosmo Melvill, M.A., F.L.S. 



"A New Symbolic Treatment of the Old Logic." By Joseph John 

 Murphy. Communicated by the Rev. Robert Harley, F.R.S., 

 F.R.A.S. 



January 13th, 1891. 



"On the late George Waring Ormerod." By C. E. de Ranee, F.G.S. 

 Communicated by William Brockbank, F. L. S. , F. G. S. 



" On the Geological Section exposed in the Levenshulme and Fallowfield 

 railway cutting. Part II." By Wm. Brockbank, F.L.S., F.G.S., and 

 C. E. de Ranee, Assoc. Inst. C.E., F.G.S., F.R.G.S., of H.M. 

 Geological Survey. 



"On Stereometry." By W. W. Haldane Gee, B.Sc, F.C.S., and 

 Arthur Harden, M.Sc, Ph.D. 



January 27th, 1891. 



"On Artificial Flowers from the Canary Islands." By Alderman W. H. 

 Bailey. 



February loth, 1891. 



"On deep borings through the Keuper Marls." By C. E. de Ranee, 

 F.G.S. Communicated by Wm. Brockbank, F.L.S., F.G.S. 



' ' On the Phenomena of Protective Vaccination and Non-recurrent Disease. ' 

 By F. J. Faraday, F.L.S. 



