324 



NATURE 



[August 4, 1904 



Tschirch, Berne ; Prof. Wegscheider, Vienna ; Prof. 

 Walden, Riga; and Prof. Wollenstein, Berlin. 



It is expected that the following communications will 

 be made :— Dr. T. M. Lowry, dynamic isomerism ; 

 H. O. Jones, the stereochemistry of nitrogen ; Prof. Paul 

 Groth, on crystal structure and its relations to chemical 

 constitution ; Prof. Isidor Traube, on the velocity of 

 osmosis and on .solubility; Dr. E. A. Perman, the de- 

 composition and synthesis of ammonia; Prof. C. 

 Dieterici, on the energy of water and steam at high 

 temperatures; D. L. Chapman, on the active variety of 

 chlorine ; R. S. Morrell and A. E. Bellars, the oxidation 

 of carbohydrates by hydrogen peroxide in the presence 

 of ferrous sulphate; R. .S. Morrell and E. K. Hanson, 

 studies in the dynamic isomerism of the a- and £■- 

 crotonic acids; F. G. Donnan, a suggested explanation 

 of the phenomena of opalescence observed in the neigh- 

 bourhood of critical series; M. le Comte Arnaud de 

 Gramont, sur le spectre du soufre dans la photo- 

 graphie de I'etincelle des mineraux ; H. J. H. Fenton, 

 mesoxalic semialdehyde; note on the influence of 

 radium radiations on atmospheric oxidation in 

 presence of iron ; a reaction for ketohexoses ; H. J. H. 

 Fenton and J. P. Millington, a colour reaction 

 for methylfurfural and its derivatives; Prof. Ossian 

 Aschan, on the pentavalent nitrogen atom; G. Barger, 

 saponarin, a glucoside coloured blue by iodide; Dr.' 

 W. A. Bone and R. V. Wheeler, the union of hvdrogen 

 and oxygen in contact with a hot surface'; Prof. 

 Richard Aleyer, the constitution of phthalein salts ; 

 G. 7 . Beilby, the intensification of chemical action iri 

 the neighbourhood of hot metals and other surfaces ; 

 reactions between solid salts. 



Section C. 



The guests include Dr. Ami, Ottawa ; Prof. Brogger 

 Christiania; Prof. Bachstrom, Stockholm; Prof Busz' 

 Munster; Prof, van Calker, Groningen ; Prof. Groth" 

 Munich; Prof. Goldschmidt, Heidelberg; Dr Roth- 

 pletz, Munich; Prof. Sjogren, Stockholm; Dr Selig- 

 mann, Coblenz. 



It is expected that the following communications will 

 be made to the section :— B. N.'Peach and G. Home 

 the base hne of the Carboniferous system round Edinl 

 burgh; G. \\. Lamplugh, note on Lower Cretaceous 

 phosphatic beds and their fauna; H. B. Woodward 

 note on a small anticline in the Great Oolite 

 series north of Bedford ; P. F. Kendall, evidence in the 

 Secondary rocks of persistent movement in the 

 Charnian Range; Dr. Ami, the geological resources of 

 Cariada; h. Greenly, the lava domes of the Eifel ; 

 u i^,'"'^^''' exhibition of Tertiary plutonic rocks from 

 the Isle of Rum ; Prof. Busz, notes on some Cornish 

 rocks_; Prof. Backstrom, origin of the great iron-ore 

 deposits of Lapland ; L. J. Spencer, on the different 

 modifications of zircon; F. W. Harmer, the Great 

 Jiastern Glacier; Rev. W. Lower Carter, glaciation of 

 the Don and Dearne valleys ; E. Greenly, notes on the 

 glaciation of Holyhead Mountain ; W. Whitaker on a 

 great depth of drift in the valley of the Stour, Suffolk 

 and some Cambridgeshire wells; Rev. W. Lower 

 Carter, river captures in the Don system; Rev. O 

 Fisher, on the elephant trench at Dewlish, Dorset; 

 Prof. \y. J. Sollas, on the structure of the Silurian 

 Ophiurid, Lapworthura miltoni; E. A. Newell Arber, 

 on the fossil plants of the Upper Culm Measures of 

 Devon and on derived plant petrifications from Devon- 

 shire. 



There will be a discussion on the nature and origin 

 of earth movements, opened by the president (A 

 Strahan), Dr. Teall, Prof. Sollas and G. Home. Dr. 

 Marr will give a lecture on the geology of Cambridge- 

 shire. 



NO. I 8 14, VOL. 70] 



Section D. 



Acceptances have been received from the following 

 zoologists :— Prof. Boveri, Wiirzburg ; Dr. Calkins, 

 New York; Prof. Hubrecht, Utrecht; Prof. Keibel, 

 Freiburg; Prof. Minot, Cambridge, U.S.A.; Prof. 

 Osborn, New York; Dr. Przibram, Vienna; Prof. 

 VV. B. Scott, Princetown ; Prof. Max Weber, Amster- 

 dam ; Prof. Ramsay Wright, Toronto ; and Prof. E. B. 

 Wilson, New York. 



On Thursday afternoon Prof. Osborn, of New York, 

 will open a discussion on recent contributions to the 

 evolution of the horse. The discussion will be continued 

 by Prof. Cossar Ewart and Prof. Ridgeway. On 

 Friday there will be a discussion on heredity, in which 

 the following have promised to take part : — The presi- 

 dent (W. Bateson), Miss Saunders, and Messrs. A. D. 

 Darbishire, Hurst, Biffen, Doncaster, Lock and 

 .Staples-Browne. In connection with this discussion 

 there will be an exhibition of animals and plants in 

 illustration of the several contributions. Monday 

 morning will be devoted to a joint discussion with 

 Section K on the significance of the reduction division 

 of the nucleus, in which Profs. Calkins, E. B. ^^'ilson 

 and others are expected to take part. In the afternoon 

 of Monday Prof. Przibram and Mr. Brindley will open 

 a discussion on regeneration and asymmetry. Mr. 

 Keeble will deliv'er a popular lecture on the coloration 

 of marine Crustacea. On Tuesday afternoon Dr. C. W. 

 .\ndrews will give a lecture on Egyptian Eocene verte- 

 brates and their relationships, particularly with regard 

 to the geographical distribution of allied forms. 



The sectional programme includes also papers by 

 Prof. Keibel and Prof. Calkins on the Cytoryctes, the 

 protozoan said to be the organism of small-pox ; 

 G. H. F. Nuttall, on the precipitation tests in the study 

 of animal relationships ; Prof. Graham Kerr, on the 

 .\frican collections of the late J. S. Budgett; J. W. 

 Jenkinson, on the origin of the cleavage centrosoines in 

 the axolotl egg; J. H. Bryce, on the histogenesis of the 

 blood of the lepidosiren larva; Prof. Elliot Smith, on 

 Loos's researches on Ankylostoma (the miner's worm), 

 which he has studied in Egypt. 



Section E. 



The foreign visitors include M. de Dechy, Odessa; 

 Prof. Hcttner, Heidelberg; and Dr. Wind, Utrecht. 



Popular afternoon lectures will be delivered by Mr. 

 .'\. Silva Wliite on scenes and sketches of life in the Nile 

 Valley, and by Dr. Tempest Anderson on the Lipari 

 Islands and their volcanoes. The list of papers includes 

 the following : — (a) Travel : Major Burden, people and 

 places in Nigeria; A. W. Hill, a journey round Lake 

 Titicaca ; Colonel Delm^ Radcliffe, surveying in 

 Western LIganda ; Dr. yon Drygalski, the German 

 .Antarctic Expedition. It is hoped that Mr. Bruce, of 

 the Scottish Antarctic Expedition, may be able to attend 

 the meeting, (b) Historical Geography : Rev. H. S. 

 Cronin, Ptolemy's map of Asia Minor, methods of con- 

 struction ; D. G. Hogarth, Cyrene — an illustration of 

 the bearing of geography on history; C. R. Beazley, 

 the first true maps (Portolani of the early fourteenth 

 century); Rev. A. Hunt, the site of the battle of Brun- 

 anbush (Lincolnshire) in the tenth century; H. Yule 

 Oldham, changes in the features of the Fen district. 

 Physical Geography : M. Dechy, the glaciers of the 

 Caucasus; M. C. Rabot, glacier-bursts; Dr. H. R. 

 Mill, a new physical map of Great Britain ; Prof. Yapp, 

 vegetative features of the Fen district ; F. J. Lewis, 

 botanical survey of parts of Westmorland; R. T. 

 Giinther, changes in the coast-line in the Bay of Naples. 

 There will also be a paper by Major Close, R.E., on 

 recent improvements in survey methods. 



