LIST OF rAl'EKS READ. Ill 



SATUIWAY, JUI.Y 17. 



7. Magnesia impregnated soils: G. N. Blackshaw, O.B.E., B.Sc. 



8. Note on Kimberlite from the Belgian Congo: P. A. AVacixer. Ing.D., 



B.Sc. 



9. Calibration of Gerber milk bntvrometers : C. 0. "Williams, B.Sc. 



Sectiox C. — Botany, Bactekiologv, Agrictltuee and 

 Forestry. 



FBIDAY, JULY 16. 



1. Presidential Address on " Causes leading toward progressive evolu- 



tion of the Flora of South Africa " by T. R. Sim, D.Sc. 



THURSDAY, JULY 15. 



2. Ericoid leaves: D. Thoday, M.A. 



.1 Hakea leaf: Hoi?ACE A. Wager, A.R.C.S. 



4. South African Fern notes: T. R. Sim, D.Sc, F.L.S. 



o. The constituents of the Flora of Southern Rhodesia: F. Eyles. 



6. Ilcemanthus coccinius: A. Mennie. 



7. The occurrence of " Terblanz " {Faiirca macnaufjhfouii, Phill.) in 



Natal and Pondoland : E. P. Phillips, M.A.. D.Sc. 



8. A paw-paw leaf spot caused bv a Pli ijllosticta sp. : P. A. van der 



BijL, M.A., D.Sc. 



9. Note on the i-Kowe or Natal Kafir mushroom — Schulzeria um- 



Kowaan, Cke. and Mass.: P. A. vax eer Bi.jl, M.A., D.Sc. 



10. Additional host plants of Loranthaceae occurring around Durban, 



with concluding summary: P. A. van der Bijl, M.A., D.Sc. 



SATUBBAY, JUJ.Y 17. 



11. Note on the Crassulaceee found in Rhodesia : S. Schonlaxij, M.A., 



Ph.D. 



12. Ripening of the seed in Gnetinn gncmon and Gnetum Africanum: 



Mary G. Thoday. 



13. The distribution of accessory food factors (Vitamines) in plants: 



E. Marion Delf, D.Sc. 



14. A preliminarv note on the flora of the neighbourhood of Bethlehem. 



O.F.S. : E. P. Phillips, M.A., D.Sc. 



15. A method of Veld estimation: A. 0. D. Mogg, B.A. 



16. A contribution to the Polyporefe of the Union of South Africa : 



P. A. VAN der Bi.jl, M.A., D.Sc. 



Section D. — Zoology', Physiology, Hygiene and Sanitary 



Science. 



WEDNESDAY, JULY 14. 



1. Presidential Address on " Some Zoological factors in the economic 



development of South Africa " by C. "W. Mally, M.Sc. 



THURSDAY, JULY 15. 



2. Some parasitic Protozoa found in South Africa. III. : H. B. 



Faxtham, M.A., D.Sc. 



3. The life-history of tlie Afi-ican sheep and cattle fluke, Fa-<rioIa 



giganttca : 'Axxie Porter, D.Sc, F.L.S. 



4. The economic importance of a study of Nematodes: J. Svndghouxd, 



B.Sc. 



5. The telluric and climatic conditions causing Gallamziekte : E. R. 



Hartig, D.V.M. 



6. Lamziekte and its treatment: Sir Arxolj) Thetler, K.C.M.G.. and 



H. H. Greex, D.Sc. 



