XXli CONTENTS. 
Page 
3. On the Cotyledon of Sorghwm asa Sense Organ. By Franors Darwin, : 
EB Sac oncavys Wah cnpcs ones a4 82 sco cans vos ndesr elena iene esate an aammetaae mia 684 
4, A Botanical Excursion in the Welwitschia Desert. By Professor 
Ay W; PRARSON: Se.) 08 L.S)):.. ccs not entenceeceve seach eee: 685 
5. Report on the Registration of Botanical Photographs (p. 417) .........44 685 
6. Report on Research on South African Cycads and on Welwitschia (p. 408) 685 
7. Third Interim Report on the Structure of Fossil Plants (p. 408)............ 686 
8. Report on Peat Moss Deposits (p. 410) | .......:1..00.sssoscensansecesesecancossde 686 
9. Report on Studies of Marsh Vegetation (p. 409) ........cccessseeececeneeseees 686 
10, Report on Experimental Studies in the Physiology of Heredity (p. 410)... 686 
11. *The Preservation of Natural Monuments. By Professor Conwentz ... 686 
FRIDAY, AUGUST 2. 
1, The Embryology of Pteridophytes. By Professor F. 0. Bownr, F.R.S.... 686 
2. Joint Discussion with Section D on the Physical Basis of Inheritance 
Gp. BEL) siven actin tsis bg Gkk at nsaepased tne. dds c8tias debe vte wa sink edghoesvactiendwaReee 687 
* 3. “Some Advances in our Knowledge of the Pollination of Flowers. By 
Meofessor, B41. sWitipsy D.Steived. cs 2endeiesdeds «noises iezadeac sane daeeeee wees 687 
MONDAY, AUGUST 5. 
1. The Morphology of Aspergillus herbariorum. By Miss H. C. I. FRAsER 
ANCHE eS CHAMBERS wyiscesneeie stone conarat an cencnece nts on S4yevessseeee ee mace 687 
2. Fertilisation in Ascobolus furfuraceus (Pers.). By E. J. WELSFORD ...... 688 
3. Nuclear Fusions and Reductions in the Ascomycetes. By Miss H. C, I. 
FASTIN © wy sai oiawecsinsadacsenseliguse cauestentenn come seease ans estes. pane aaaetee amma 688 
4 *Enzymes: their Mode of Action and Functions. By Professor H. H. 
ARMstE0NG, F’.R.S., and Dr. E. F. ARMSTRONG .........ssscssservesseseeeese 689 
Joint Discussion with Sections D and L on the Teaching of Biology in 
Schools (py. G27) visesssintacnsvcsne sighs con eaitop tn onndsede hott: V-nianeoaae <a Ree 689 
TUESDAY, AUGUST 6 
. The Real Nature of the so-called Tracheids of Ferns. By D. T. Gwynne 
VAUGIEAN g MARS S58 ici daa sec eas ho a ee 690 
2, On the Structure and Affinities of Physostoma elegans Bue eae a 
Pteridospermous Seed from the Coal Measures. By Professor F, 
OttiveR, F.R.S. 
3, On the Cone of Bothrodendron mundum. By D. M.S. Watson, B.Se. ... 690 
4, On the Hairiness of certain Marsh Plants. By Professor R. H. Yapr, M.A. 691 
5. On the Inheritance of certain Characters in Primula sinensis. By R. P. 
_— 
GREGORY; MoAss ahi aot cic cee. ptmray se etre ae heron ctas deacon ene veneen 691 
6. The Phylogenetic Connexions of the recent Addition to the Thread Bac- 
teria (Spirophyllum ferrugineum [Hllis]). By Davip ELLs... 693 
7. The Structure of Root Tubercles in Leguminous and other Plants. By 
Professor ‘W . Bisgeno maar: 3, Ae ts. lc.s, coccatuoweesneeeece:toeotentressateps 693 
8. Cell Division in Merismopedia glauca. By B, H. BENTLBY..........0..006 698 
