INDEX 



[Nature, Dec. i, 1887 



O. R. Ling, 569 ; on Methylene Blue and Methylene Red, 

 Prof. Bernthsen, 569 ; on the Constitution of Azimido Com- 

 pounds, Drs. Noelting and Abt, 569 ; Velocity of Forma- 

 tion of Acetic Ether, Prof. Menschutkin, 569 ; the Relation 

 of Geometrical Structures to Chemical Properties, Prof. 

 Wislicenus, 569 ; Note on Valency, Prof. Armstrong, 

 Solubility of Isomeric Organic Compounds, Prof Carnelley, 

 569 ; Alcohol and Water Combinations, Prof. Mendeleef, 

 570; on the Constitution of Atropine, Prof. Ladenburg, 

 570; the Reduction-products of the Nitro-paraffins and 

 Alkyl Nitrites, Prof. Dunstan and T. S. Dymond, 570 ; 

 on a Partial Separation of the Constituents of a Solution 

 during Expansion by Rise of Temperature, J. W. Mallet, 

 F.R.S., 570; a New Method for determining Micro- 

 organisms in Air, Prof. Carnelley and Thomas Wilson, 570 ; 

 the Absorption- Spectra of Rare Earths, Dr. G. H. Bailey, 

 570 ; the Absorption-Spectra of the Haloid Salts of Didy- 

 mium, Dr. G. H. Bailey, 570 ; on Solution, W. Durham, 

 570 ; Phenol Phenomena of Neutralization and their 

 Bearing on the Nature of Solution, W. W. J. Nicol, 570 ; 

 Notes on some Peculiar Voltaic Combinations, C. R. A. 

 Wright, F.R.S., and C. Thompson, 570 ; the Present 

 Aspect of the Question of the Sources of Nitrogen in 

 Vegetation, Sir J. Lawes, F.R.S., and Dr. Gilbert, F. R.S., 

 570 ; Dispersion Equivalents and Constitutional Formulae, 

 Dr. J. H. Gladstone, 570 ; on Organic Vanadates, J. A. 

 Hall, 570 ; on some New Cinnamic Acids, Dr. Cohen and 

 Prof. Perkin, 570 ; the Antiseptic Properties of Metallic 

 Salts, Prof. Carnelley, 571 ; Antiseptic Properties of some 

 Fluorine Compounds, W. Thomson, 571 ; on the Compo- 

 sition of Water by Volume, A. Scott, 571 ; on some Vapour 

 Densities at High Temperature, A. Scott, 571 ; on the 

 Estimations of the Halogens and Sulphur in Organic Com- 

 pounds, R. T. Plimpton, 571 ; on the Derivatives and Con- 

 stitution of the Pyrocresols, W. Bott and Prof. Schwarz, 571 

 Section C {Geology) — Opening Address by Henry Woodward, 



F. R.S., President of the Section, 447 ; on the Mineralogi- 

 cal Constitution of Calcareous Organisms, by Vaughan 

 Cornish and Percy F. Kendall, 571 ; the Matrix of the 

 Diamond, Prof. H. Carvill Lewis, 571 ; on the Discovery 

 of Carboniferous Fossils in a Conglomerate at Moughton 

 Fell, near Settle, Yorkshire, Robert Law and James Hors- 

 fall, 571 ; Places of Geological Interest on the Banks of the 

 Saskatchewan, Prof. J. Hoyes Panton, 571 ; the History 

 and Cause of the Subsidences at Northwich and its Neigh- 

 bourhood in the Salt District of Cheshire, Thos. Ward, 

 572 ; the Sonora Earthquake of May 3, 1887, Dr. T. Sterry 

 Hunt, F.R.S., and Jas. Douglas, 572 ; the Disaster at Zug 

 on July 5, 1887, by the Rev. E. Hill, 572 ; the Triassic 

 Rocks of West Somerset, W. A. E. Ussher, 572 ; the 

 Devonian Rocks of West Somerset on the Borders of the 

 Trias, W. A. E. Ussher, 572 ; Observations on the Rounding 

 of Pebbles by Alpine Rivers, with a Note on their Bearing 

 upon the Origin of Bunter Conglomerate, Prof. T. G. 

 Bonney, F.R. S., 573 : the Terminal Moraines of the Great 

 Glaciers of England, Prof. H. Carvill Lewis, 573 ; on 

 some Important Extra-Morainic Lakes in Central England, 

 North America, and Elsewhere during the Period of 

 Maximum Glaciation, and on the Origin of Extra-Morainic 

 Boulder-Clay, Prof. H. Carvill Lewis, 573 ; on the Exten- 

 sion of the Scandinavian Ice to Eastern England in the 

 Glacial Period, Prof. Otto Torell, 573 ; a Comparative 

 Study of the Till or Lower Boulder-Clay in several of the 

 Glaciated Countries of Europe (Britain, Scandinavia, Ger- 

 many, Switzerland, and the Pyrenees), Hugh Miller, 573 ; 

 Note on a few of the many Remarkable Boulder-Stones 

 to be found along the Eastern Margin of the Wicklow 

 Mountains, Prof Edward Hull, F.R.S., 574; on New 

 Facts relating to Eozoon canadense, Sir J. William 

 Dawson, F.R.S., 574; Elements of Primary Geology, T. 

 Sterry Hunt, F.R.S., 574; Gastaldi on Italian Geology 

 and the Crystalline Rocks, T. Sterry Hunt, F.R.S., 575; 

 Preliminary Note on Traverses of the Western and of the 

 Eastern Alps made during the Summer of 1887, Prof T. 



G. Bonney, F.R.S., 590; Origin of Banded Gneisses, 

 J. J. H. Teall, 590 ; on the Occurrence of Porphyritic 

 Structures in some Rocks of the Lizard District, Howard 

 Fox and Alex. Somervail, 590 : Preliminary Observations 

 on the Geology of Wicklow and Wexford, Prof. Sollas, 



591 ; some Effects of Pressure on the Sedimentary Rocks 

 of North Devon, J. E. Marr, 591 ; on the Organic Origin 

 of the Chert in the Carboniferous Limestone Series of 

 Ireland, and its Similarity to that in the Corresponding Strata 

 in North Wales and Yorkshire, Dr. George Jennings Hinde, 

 591 ; on the Affinities of the so-called Torpedo {Cyclobaiis, 

 Egerton) from the Cretaceous of Mount Lebanon, A. Smith 

 Woodward, 591 ; Pliocene Beds of St. Erth, Cornwall, 

 Robert Geo. Bell, 591 ; on a Star-fish from the Yorkshire 

 Lias, Prof J. F. Blake, 591 ; the Classification of the 

 Dinosauria, Prof. Seeley, F.R.S., 591 ; on the Reputed 

 Clavicles and Interclavicles of Iguanodon, Prof H. G. 

 Seeley, F.R.S., 591 ; on the Permian Fauna of Bohemia, 

 Prof. Anton Fritsch, 591 

 Section D {Biology)— O^Gmng Address by Prof. Alfred 

 Newton, F.R.S., Presidentof the Section, 462; the Problem 

 of the Hop-Plant Louse {Phorodon hutmdi, Schrank) in 

 Europe and America, Prof. C. V. Riley, 566 ; Proposed 

 Contributions to the Theory of Variation, Patrick Geddes, 

 592 ; on the Structure of Haplodiscus piger, W. F. R. 

 Weldon, 592 ; on the Degeneration of the Olfactory Organ 

 of Certain Fishes, Prof Wiedersheim, 592 ; on the Torpid 

 State of Protopterus, Prof. Wiedersheim, 592 ; the Larynx 

 and Stomach of Cetacean Embryos, Prof. D'Arcy Thomp- 

 son, 592 ; the Blood Corpuscles of the Cyclostomata, Prof. 

 D'Arcy Thompson, 592 ; on the Luminous Larviform 

 Females of the Phengodini, Prof. C. V. Riley, 592 ; the 

 Present Aspect of the Cell Question, Prof. Schafer, 592; 

 Icerya pui-chasi, an Insect Injurious to Fruit -Trees, Prof. 

 Riley, 592 ; the Hessian Fly, Prof Fream, 592 ; Recent 

 Researches on Earthworms, W. B. Benham, 593 ; a Lumi- 

 nous Oligochsete, Prof Harker, 593 ; on the Structure of 

 Fratercula arctica, F. E. Beddard, 593 ; on Cramer's 

 Gemma borne by Tric/wmattes alata, Prof. Bower, 593 ; 

 on Bennettites, the Type of a New Group between Angio- 

 sperms and Gymnosperms, Count Solms-Laubach, 593 ; 

 Secretion of Pure Aqueous Formic Acid by Lepidopterous 

 Larvae for the Purposes of Defence, E. B. Poulton, 593 ; 

 Further Experiments upon the Protective Value of Colour 

 and Markings in Insects, E. B. Poulton, 594 ; Further 

 Experiments upon the Colour-Relation between Phyto- 

 phagous Larvae and their Surrounding-^, E. B. Poulton, 594 

 Section E {Geography) — Opening Address by Col. Sir Chas. 

 Warren, F.R.S., President of the Section, 465 ; Account of 

 a Recent Visit to the Ancient Porphyry Quarries of Egypt, 

 W. Brindley, 595 ; Matabeleland and the Country between 

 the Zambesi and the Limpopo, Capt. C. E. Haynes, 595 \ 

 the Beginning of the Geography of Great Britain, Prof 

 Boyd Dawkins, 596 ; Teaching of Geography as applicable 

 to the Universities, H. J. Mackinder, 596; the Ruby Mines 

 of Burmah, G. Skelton Streeter, 596 ; the Valley of the Rio 

 Doce (Brazil), Wm. J. Steains, 596 ; on some Defects in the 

 Ordnance Survey, H. S. Wilkinson, 597 ; Utilization of the 

 Ordnance Survey, Sir Chas. Wilson, 597 ; New Bathy- 

 orographical Map of the Clyde Basin, Dr. H. R. Mill, 597 ; 

 a Plea for the Metre, E. G. Ravenstein, 597 

 Section F {Economic Science and Statistics) — Opening Address 

 by Robert Giffen, LL.D., President of the Section, the 

 Recent Rate of Material Progress in England, 487 

 Section G {Mechanical Science) — Opening Address by Prof 



Osborne Reynolds, F.R.S., President of the Section, 472 

 Section H {Anthropology) — Opening Address by Prof. A. H. 

 Sayce, President of the Section, 511 ; the Primitive Seat of 

 the Aryans, Canon Isaac Taylor, 597 ; the Non-Aryan and 

 Non- Semitic White Races and their Place in the History 

 of Civilization, J. S. Stuart Glennie, 598 ; on the Picture 

 Origin of the Characters of the Assyrian Syllabary, Rev. W. 

 Houghton, 598 ; Boat-shaped Graves in Syria, Geo. St. 

 Clair, 598 ; the Effect of Town Life upon the Human Body, 

 J. Milner Fothergill, 598 ; on the Bosjes Pelvis, Prof. 

 Cleland, F. R. S. , 598; Experimental Production of Chest 

 Types in Man, G. W. Hambleton, 599 ; Scientific Treat- 

 ment of Consumption, G. W. Hambleton, 599 ; Tattooing, 

 Miss A. W. Buckland, 599 ; Early Ages of Metal in South- 

 east Spain, Henri and Louis Siret, 599 ; Certain Degenera- 

 tions of Design in Papuan Art, S. J. Hickson, 599 ; Origin 

 of Totemism, C. Slaniland Wake, 599 ; Gypsies and an 

 Ancient Hebrew Race in Sus and the Sahara, R. G. 

 Haliburton, 599 ; Colour-Names amongst the English 



