Contents. — Continued. vii 



SECTION D. 



Presidential Address, by Lt.-Col. H. Watkins-Pitchford, 

 F.R.C.V.S., F.R.S.E. ... ... ... ... 99 



2. The Origin of the Flora of South Africa, {A Sketch), by 



Professor S. Schonland, Ph.D., M. A. ... ... 105 



3. Some Observations on Entomophilous Flowers, by R. 



Marloth, Ph.D., M.A. ... ... ... ... no 



4. On the Homology of the Mammalian Alisphenoid Bone, 



by R. Broom, M.D., D.Sc, C.M.Z.S. ... ... 114 



5. Some Observations in the Welwitschia Desert, {Abstract), 



by H. H. W. Pearson, M.A., Sc.D., F.L.S. ... ... 116 



6. The Waltzing Instinct in Ostriches, (Title only), by J. E. 



Duerden, M.Sc, Ph.D., A.R.C.S. ... '... ... 118 



7. A Preliminary Account of a Collection of Hydroids, 



mostly from the Natal Coast, {Title only), by E. Warren, 

 D.Sc. ... ... ... ... ... ... 119 



8. Some Remarks on the Protective Resemblance of South 



African Birds, {Title only), by A. K. Haagner. F.Z.S. ... 120 



9. The Geographical Distribution of South African Snakes, 



(Title only), by Dr. L. A. Gough ... ... ... 121 



10. Layard's Beaked Whale, (Title only), by F. W. Fitz-Simons, 



F.Z.S. ... ... ... ... ... ... 122 



11. Some Errors in the Feeding of Animals, {Title only), by 



H. Ingle, B.Sc, F.I.C., F.C.S. ... ... " ... 123 



12. The Mechanical Conditions of Soils, {Title only), by A. 



Pardy, B.Sc. ... ... ... ... ... 124 



13. Agricultural Education in South Africa, (Abstract), by E. 



R. Sawer, ... ... ... ... ... 125 



14. Cotton Culture in Natal, (Title only), by J. Kirkman, M.L.A. 12^ 



15. Bacillus Anthracoides in Transvaal Water Supplies, by F. 



H. Josephs ... ... ... ... ... 127 



16. Man's Influence on Climate, (Abstract), by T. R. Sim, 



F.L.S. ... ... ... .. ... ... 128 



