XXXII THE ROYAL SOCIETY OF CANADA 



work revised, brought up to date and republished. The motion was 

 carried unanimously. 



The list of papers presented was as follows: 



1. — Presidential Address. The Lobster Problem. By A. P. 

 Knight, M.A., M.D., F.R.S.C. 



2. — The cell wall of the Mucilage Cells in the Cacti. By Francis 

 E. Lloyd, M.A., F.R.S.C. 



3.- — -The Application of Dakin's Method of Extraction by Butyl 

 Alcohol to the study of Trypti, Digestion of Protein. By Andrew 

 Hunter, M.A., B.Sc, M.B., Ch.B. (Edin.), F.R.S.C. 



4. — Significant alterations in the Neuroblast-nuclei of the Em- 

 bryonic Retina: A Study in Bio-Dynamics. By John Cameron, 

 M.D., D.Sc, F.R.S.E., F.R.S.C. (Lantern). 



5.^ — (i) Further Experiments on Conditions influencing the Life 

 History of the Frog. By A. T. Cameron, M.A., B.Sc, F.LC, F.R.S.C. 



6. — (ii) Notes on Thyroid Problems: 



(a) The effect of thyroid feeding on the hypertrophy of body- 

 organs in the white rat. By F. A. Sedziak. Presented by A. T. 

 Cameron, M.A., B.Sc, F.LC, F.R.S.C. 



(b) The Comparative effects of thyroid and parathyroid feeding 

 on growth and organ hypertrophy in the white rat. By J. Carmichael. 

 Presented by A. T. Cameron, M.A., B.Sc, F.LC, F.R.S.C. 



(c) The experimental production of tetany in the white rat by 

 thyroid feeding. By J. Carmichael. Presented by A. T. Cameron, 

 M.A., B.Sc, F.LC, F.R.S.C. 



7. — (iii) The effect of Thyroid Feeding on Rats and Pigeons on 

 Vitamine Deficient Diets. By A. T. Cameron, M.A., B.Sc, F.LC, 

 and A. Moore. 



8.^ — (iv) The Relative Toxicity of Certain Anions. By A. T. 

 Cameron, M.A., B.Sc, F.LC, F.R.S.C, and M. E. Hollenberg. 



9. — A Study of the Abdominal Musculature of Orthopteroid In- 

 sects. By Miss Norma Ford, M.A. Presented by E. M. Walker, 

 B.A., M.B., F.R.S.C. 



10. — (i) The Vascularity of the Cerebral Cortex of the Albino 

 Rat. By E. Home Craigie, B.A., Ph.D. Presented by B. A. Bensley, 

 B.A., Ph.D., F.R.S.C. 



IL — (ii) A Study of the Ciscos (Herring) of Lake Erie. By 

 W. A. Clemens, M.A., Ph.D. Presented by B. A. Bensley, B.A., 

 Ph.D., F.R.S.C 



