CONTENTS. XVU 



Page 



3, Note on the Peritoneum in Meles taxus. By Professor EiCHAED J. 



Anderson, M.D 692 



4. The Skull of Ursus ornatus. By Professor Hichard J. Anderson, M.D. 692 



MONDAY, SEPTEMBER 14. 



1. *0n the Significance of Progamic Nuclear Divisions. By Professor 



Marcus Hartog 693 



2. *Nuclear Changes in the Egg oi Alcyoniiim. By M. D, Hill, M.A 093 



3. *The Function of Chromatin in Cell Division (Part I. Heterotype). By 

 Professor Marcus Hartog 693 



4. *Discu3sion on Fertilisation 693 



5. tOn the Tentacles of Suctoria. By Professor Marcus Hartog 693 



6. *Demonstration of Slides showing Conjugation in Dendrocometes. By 



Professor S. J. Hickson, F.R.S 693 



7. The Effect of Solutions of Salt and other Substances on the Development 



of the Frog. By J. AV. Jenkinson, M.A 693 



8. Some recent Observations on British Reptiles. By Gerald Leighton, 

 M.D., F.R.S.E 694 



9. fNotea on the Coloration of Malayan Reptiles. By N. Annandale, B.A. 694 



10. tNote on the "Walking Fish of the Malay Peninsula. By H. 0. Robinson 694 



11. tExbibition of Convergent Series of Malayan Butterflies. By H. C. 

 Robinson 694 



TUESDAY, SEPTEMBER 15. 



1. Note on Pearl-formation in ihe Ceylon Pearl Oyster. By Professor 



W. A. Herdman, D.Sc, F.R.S. , and James Hoenell 095 



2. On a Phosphorescence Phenomenon in the Indian Ocean. By Professor 



W. A. Herdman, D.Sc, F.R.S 695 



3. Note on Birds now rare in the British Isles. By G. P. Hughes, F.R.G.S. 696 



4. Demonstration of A^isual Combination of Complementary Colours. By 



C. A. Greaves, M.B., LL.B 696 



5. Tlie Epithelial Islets of the Pancreas in Teleostei. By John Rennie, 



D.Sc 696 



6. On the Echinodermata of the Firth of Clyde and Variation in OpMocoma 

 nigra. By D. C. McIntosh, M.A , 696 



7. Note on the Eggs of the Shanny {Blermius pholis, L.). By Professor 



W. C. McIntosh, M.D., F.R.S 697 



Department of Physiology. 



1. A Physiological Theory to Explain the Winter'whitenuig of Birds and 

 Mammals in Snowy Countries, and the most Striking Points in the 

 Distribution of AVhite in Vertebrates generally. By Captain G. E. H. 

 Barrett-Hamilton 698 



2. A New Form of Osmometer for Direct Determinations of Osmotic 



Pressure of Colloids. By Professor Benjamin Moore, M. A., D.Sc 699 



3. Experiments on the Permeability of Lipoid Membranes. By Professor 

 Benjamin Moore, M.A. , D.Sc 700 



1903. a 



