Nature, "1 



tut 14, 1906 J 



Index 



Win.: 1 Dr.), Comet 1906b, 404, 544 



Wislicenus (Prof. Walter F.j, Death of, 33; Obituary 

 Notice of, 57 



Witkowski (Prof. A. \V.), the Thermal Dilatation of Com- 

 pressed Hydrogen, 325 



Wolf (Bertram), a New Oxide of Carbon, 452 



Wolf (Prof.), Nova Aquilas No. 2, S7 ; Comet 1905b, 160 ; 

 (luster of Nebulae in Perseus, 448; Comet 1906b, 494; 

 New Variable Stars in the Region about y Sagittae, 518 



Wood, Action of, on a Photographic Plate, Dr. William 

 J. Russell, F.R.S., 152 



Wood (Alex.), Diurnal Periodicity of Ionisation of Gases, 



583 

 Wood (Dr. Ethel M. R.), the Tarannon Series of larannon, 



502 

 Woodhead (Prof. Sims), Leprosy in South Africa, 139 

 Woodland (W.), the Formation of Spicules, 179 

 Woodman (Prof. J. E.), Geology of the Moose River Gold 



District in Halifax, 206 

 Woods (Frederick Shenstone), the Boston Colloquium, 



Lectures on Mathematics, 122 

 Woodward (Dr. A. S.), Myriacanthus paradoxus from the 



Lower Lias of Lyme Regis, 141 

 Worms : the Isolation of the Infecting Organism (" Zoo- 



chlorella ") of Convoluta roscoffensis, F. Keeble and Dr. 



F. W. Gamble, 117 

 Wright (H.), Green Manures, 134 ; Foliar Periodicity in 



Tropical Countries, 568 

 Wright (Lewis), Death of, 178 

 Wright (W. B-), Peculiar Ice Formation, 534 



Yellow Fever in Panama. 84 



Verkes Observatory, Report of the, Prof. Hale, iS 



York, the Forthcoming Meeting of the British Association 



at, 564 

 Yorkshire, the Making of East, a Chapter in Local Geo- 



graphy, T. Sheppard, 364 

 Young (Grace Chisholm), the First Book of Geometry, 



-"'7 

 Young (Prof. A.), an Artesian Well in the Karroo, 91 

 Young (Prof. John), Essays on Evolution and Design, 556 

 Young (Prof. Sydney), Vapour Pressure of a Pure Liquid 



at Constant Temperature, 599 

 Young (W.), Rare Plants found in Scotland, 323 

 Young i.W. Il-i, the First Book of Geometry, 267 

 Yule (G. Ldnyl, Influence of Bias and of Personal Equation 

 in Statistics of Ill-defined Qualities, 551 ; a Property 

 which holds Good for all Groupings of a Normal Distri- 

 bution of Frequency for Two Variables, with Applica- 

 tions to the Study of Contingency Tables for the In- 

 heritance of Unmeasured Qualities, <74 



Zamabales, Negritos of, William Allan Reed, Dr. A. C. 

 Haddon, F.R.S., 584 



Zambesi Valley, the ^tone Age of the, and its Relation in 

 Time. Colonel H. W. Feilden, C.B., 77 



Zambesi, on the Zigzag Gorge of the, below the Victoria 

 Falls, G. W. Lamplugh, F.R.S., 91-2, m 



Zeidler (J.), die elektrischen Bogenlampen, deren Prinzip, 

 Konstruktion und Anwendung, 27 



Zempl^n (Gyozo), Impossibility of Negative Impulse 

 Waves in Gases, 71 



Ziegler I Dr. II. E.), die Vererbungslehre in der Biologie, 

 318 



Ziwet (Prof. Alexander), the Relation of Mechanics to 

 Physics, 403 



Zodiacal Light to the North of the Sun, the, Prof. New- 

 comb, 161 



Zooglcea, Developmental Changes in, Dr. H. C. Bastian, 

 454 



Zoology : Extinct Animals, Prof. E. Ray Lankester, 

 F.R.S., 6; Wild Swine of the Malay Archipelago, Dr. 

 Jentink, 35 ; South African Zoology and Palaeontology, 

 56 ; Structure of the Placenta of an Elephant, Messrs. 

 Assheton and Stevens, 59 ; a Student's Text-book of 

 Zoology, Adam Sedgwick, F.R.S., 73 ; Hippopotami at 

 the Victoria Falls, S4 ; Death and Obituary Notice of 

 Jean Fr£de>ic Emile Oustalet, 85; New Museum and 

 Laboratories of Zoology at Liverpool 88 ; Breeding 



Habits of British Bats, A. Whitaker, 106 ; the Tarpan 

 and its Relationship with Wild and Domestic Horses, 

 Prof. Ewart, 119; the Horse in Norway, Dr. F. H. A. 

 Marshall, 119; the Origin and Influence of the Thorough- 

 bred Horse, \V. Ridgeway, 126; Zoological Society, 142, 

 189, 261, 357, 430, 454, 525, 574; Mammals brought 

 Back by the Tibet Mission, J. L. Bonhote, 142 ; the 

 Dugong, Dr. N. Annandale, 143 ; Messrs. Dexter and 

 Freund, 373 ; Melanistic Form of the Wall-lizard, G. A. 

 Boulenger, F.R.S., 1S9 ; Monotremes and Birds, Dr. H. 

 Gadow, F.R.S., 222 ; the Mammalian Cerebral Cortex, 

 I., Order Insectivora, Dr. G. A. W'atson, 23N ; the 

 Regeneration of a Bony Structure, the Tail-vertebrae of 

 a Dormouse, Oldfield Thomas, 261 ; Microscopic Sec- 

 tions of the Skeletal Tube found in the Restored Tail 

 of Dormice, Dr. W. G. Ridewood, 261 ; on an Alleged 

 New Monkey from the Cameroons, R. I. Pocock, 297 ; 

 Dr. H. O. Forbes, 319; Bearing of the Structure of 

 Foetal W'hale-flippers on the Development of Additional 

 Digits and Joints in the Hand and Foot of Vertebrates 

 generally, Prof. Symington, 304; "Bidder's Organ" 

 upon the Testes of Bufo calamita, Dr. Attilio Cerruti, 

 528 ; Minute Structure of the Teeth of the Creodonts, 

 C. S. Tomes, 357 ; Capture of a Whale (Genus Kogia) 

 near Roscoff, Yves Delage, 359 ; the Falkland Island 

 Fox, R. N. Rudmose-Brown, 365; Alligator's Nest, 373; 

 Histology and Physiology of the Placenta in the 

 I ngulata, Dr. J. W. Jenkinson, 430; a Living Specimen 

 of a Dwarf Species of Cavy, Sir Edmund Loder, Bart., 

 430 ; Articulation of the Vertebrate Jaw, H. G. F. 

 Spurrell, 430 ; the Unity of the Gnathostome Type, Dr. 

 H. Avers, 491 ; Is Mutation a Factor in Evolution of 

 Higher Vertebrates? Dr. C. H. Merriam, 401 ; Phylo- 

 genetic Evolution of the Cetacean Dentition and the 

 Systematic Relations of the Physeterida?, Dr. O. Abel, 

 510; the Great Whale-shark, B. A. Bean, 510 ; " Flying " 

 Snakes, R. Shelford, 525; Crustacea from Lakes Tan- 

 ganyika, Nyasa, and Victoria Nyanza, Dr. W. T. 

 Caiman, 526 ; Fresh-water Sponges obtained from Lakes 

 Victoria Nyanza, Tanganyika, and Nyasa, R. Kirk- 

 patrick, 526; the North American Cave-salamander, 

 Spelerpes macuHcaudus, A. M. Banta and W. L. McAtee, 

 615; Blood-relationship of Man and Apes, Paul Uhlen- 

 huth, 616; the Mammals of Great Britain and Ireland, 

 J. G. Millais, Supp. to November 30, iii ; see also British 

 Association 



Zsigmondv (Richard), zur Erkenntniss der Kolloide, ueber 

 irreversible Hydrosole und Ultramikroskopie, 410 



Zuntz (\\), Hbhenklima und Bergwanderungen in ihrer 

 Wirkung auf den Menschen, 553 



Zwiers (H. J.), Ephemeris for Holmes's Comet (1892 iii., 

 1899 ii.), 255 



Index to Literary Supplement. 



Algebra : a Text-book of Algebra, A. E. Layng, Supp. to 

 November 30, viii ; an Introduction to Algebra, R. C. 

 Bridgett, Supp. to November 30, viii 



Arithmetic, the Winchester, C. Godfrey and G. M. Bell, 

 Supp. to November 30, viii 



Balv (E. C. C), Spectroscopy, Supp. to November 30, ix 

 Bell (G. M.), the Winchester Arithmetic, Supp. to 



November 30, viii 

 Bornstein (Dr.), Landolt-Bbrnstein — Physikalischchemische 



Tabellum, Supp. to November 30, vi 

 Bridgett (R. C), an Introduction to Algebra, Supp. to 



November 30, viii 

 Britain, the Mammals of Great, and Ireland, J. G. Millais, 



Supp. to November 30, iii 



Chemistry : Landolt-Bbrnstein — Physikalischchemische Ta- 



bellen, Drs. Bornstein and Meyerhoffer, Dr. J. A. 



Harker, Supp. to November 30, vi 

 Church (Prof. A. H., F.R.S.), Precious Stones considered 



in their Scientific and Artistic Relations, Supp. to 



November 30, x 



Duhem (P.), les Origines de la Statique, Supp. to November 

 30, ix 



