IV 



FAGK 



A Note on the Effect of Acid, Alkali, and certain Indicators in Arresting or 

 otherwise Influencing the Development of the Eggs of Pleuronectes platessa 

 and Echinus esculentus. By Edward Whitley, M.A. (Oxon), Communicated 

 by Professor W. A. Herdman, F.K.S 137 



The Mammalian Cerebral Cortex, with Special Reference to its Comparative 

 Histology. I. Order Insectivora. — Preliminary Communication. By George 

 A. Watson, M.B., CM. Edin. Communicated by Dr. F. W. Mott, F.RS 150 



On the Microsporangia of the Pteridosperms. By Robert Kidston, F.R.S. 



L. and E., F.G.S. (Abstract) 161 



Some Observations on Welvntschia mirabilis, Hooker, f. By H. H. W. Pearson, 

 M.A., F.L.S., " Harry Bolus" Professor of Botany in the South African College, 

 Cape Town. Communicated by A. C. Seward, F.R.S. (Abstract) 162 



The Araucariese, Recent and Extinct. By A. C. Seward, F.R.S., Fellow of 

 Emmanuel College, and Sibille O. Ford, formerly Bathurst Student of 

 Newnham College, Cambridge. (Abstract) 163 



No. B 516. — January 30, 1906. 



On the Distribution of Chlorides in Nerve Cells and Fibres. By A. B. Macallum, 

 M.A., M.B., Ph.D., Professor of Physiology, and Miss M. L. Menten, B.A., 

 Assistant-Demonstrator of Physiology in the University of Toronto. Com- 

 municated by Professor W. D. Halliburton, F.R.S. (Plates 2—4) 165 



On the Possibility of Determining the Presence or Absence of Tubercular Infection 

 by the Examination of a Patient's Blood and Tissue Fluids. By A. E. Wright, 

 M.D., sometime Professor of Pathology, Army Medical School, Netley ; 

 Pathologist to St. Mary's Hospital, London, W. ; and Staff-Surgeon S. T. Reid, 

 R.N. Communicated by Sir John Burdon-Sanderson, Bart., F.R.S 194 



On Spontaneous Phagocytosis, and on the Phagocytosis which is Obtained with the 

 Heated Serum of Patients who have Responded to Tubercular Infection, or, as the 

 case may be, to the Inoculation of a Tubercle Vaccine. By A. E. Wright, M.D., 

 sometime Professor of Pathology, Army Medical School, Netley, Pathologist 

 to St. Mary's Hospital, London, W., and Stafl'-Surgeon S. T. Reid, R.N. 

 Communicated by Sir John Burdon-Sanderson, Bart., F.R.S 211 



On the Occurrence of Heterotypical Mitoses in Cancer. By E. F. Bashford, M.D., 

 and J. A. Murray, M.B., B.Sc. Communicated by J. Rose Bradford, M.D., 

 F.R.S. (Plates 5 and 6) ' 226 



Pathological Report on the Histology of Sleeping Sickness and Trypanosomiasis, 

 with a Comparison of the Changes Found in Animals Infected with T. Gambiense 

 and other Trypan osomata. By Anton Breinl, M.U.Dr. (Prague), J. W. Garret 

 International Fellow, Liverpool School of Tropical Medicine, University, 

 Liverpool. Communicated by Professor R. Boyce, F.R.S 233 



