TRANSACTIONS OF THE SECTIONS, XXV 
TUESDAY, AUGUST 31. 
Page 
Joint Discussion with Section B on the Chemistry of Food (p. 459) ... 650 
1. Observations on the Micro-organisms of the Gaertner Group 
(‘ Meat-poisoning Bacilli’), with special reference to their 
Agglutination Reactions and their Behaviour on Coloured Sub- 
strata. By Professor EK. J. McWeenny, M.A., M.D., D.P.H. ... 650 
WEDNESDAY, SEPTEMBER 1, 
1. *Chloroform Anesthesia with known Percentage of Vapour Demon- 
SUCALION bay Un Nc) EL, AE COCK entnitisnk dersnleleecwonendcscuvskeves eae. 651 
Poe Discussion Om, the INucles|\jo..s2. ces senstscececssacecesacssaetescnceatarensges 651 
3. Fourth Report on the Effect of Climate upon Health and Disease 
MEE NM trata cap oe tna eaten Sa given vue (ode shy Sep une conn gtoatis ah dnbe% ov pce 651 
Section ..—BOTANY. 
THURSDAY, AUGUST 26. 
Address by Lieut.-Colonel Davrp Pratn, C.I.E., LL.D., F.R.S., Presi- 
dentyortsthe (Secbi on, jope. vay secs saesastae shee kestte shadeareceapenedeadteone vt. 652 
1. The Evolution of the Inflorescence. By J. Parkin, M.A. ....,.... 662 
2. The Prothallium and Embryo of Danea. By Professor Doveras 
EEG CAMPBETIEAS), Uterine weeeens chased eget ca ceatan cctties shiva det ane teu uwen cet 664 
3. On the Ancestry of the Osmundacee. By R. Kipston, LL.D 
F.R.S., and Professor D. T. Gwynnr-VaucHan, M.A. ............ 665 
4. Preliminary Note on the Structure of a new Zygopteris, from 
Pettycur, Fife. By W. T. Gorpon, M.A., B.Sc. ............cccee eee 665 
5. The Number of Bacteria in the Air of Winnipeg. By Professor 
A. H. Reernatp Buiter, Ph.D., and Cuas. W. Lowe ............ 666 
6. Some Problems connected with the Life History of T'richodiscus 
elegans, Welsford, n.gen. n.s. By Miss E. J. Wetsrorp ........... 666 
7. *The New Industry of Rubber Cultivation. By J. Parkin, M.A. 667 
FRIDAY, AUGUST 27. 
1. The Chemistry of Chlorophyll. By Professor R. WitistatTer ... 667 
2. The Fundamental Causes of Succession among Plant Associations. 
By Professor HENRY ©. COWLES ..........ccccceccecceccecaesaeseuseeeeacens 668 
3. The Rocky Mountain Flora as related to Climate. By Professor 
GRAD ELE EH EUANOMBR SS Mii cvs wie ected es Geel aG de dvi slsaMeveneobes veackbuctes 670 
4, The Porous Cup Atmometer as an Tristseieiit for Hcological 
Research. By Professor Burton Epwarp Livineston ,,.,,.....,, 67] 
