x Lndex 
Nature, 
June 9, 1904 
the Pearl Oyster Fisheries of the Gulf of Manaar, W. A. 
Herdman, F.R.S., 465 
Biometry : the Degree of Accuracy of Statistical Data, Carl 
C. Engberg, 93 
Biraud (M.), the Treatment of Cancer by the X-Rays, 96 
Birds: Turner on Birds, a Short and Succinct History of 
the Principal Birds Noticed by Pliny and Aristotle, O. V. 
Aplin, 73; a Hand-list of the Genera and Species of 
Birds, R. B. Sharpe, 218; Catalogue of the Collection of 
Birds’ Eggs in the British Museum (Nat. Hist.), E. W. 
Oates and S. G. Reid, 218; Bird Life in Wild Wales, 
J. A. Walpole-Bond, O. V. Aplin, 272; Visitors from the 
High North in Central Italy, Prof. Henry H. Giglioli, 
413; Some Indian Friends and Acquaintances, a Study 
of the Ways of Birds and other Animals Frequenting 
Indian Streets and Gardens, Lieut.-Colonel D. wv. 
Cunningham, F.R.S., 433; Remarkable Destruction of 
Birds in Cardigan Bay, C. W. Herbert Greaves, 512; 
Distribution of the Nightingale, Alfred O. Walker, 512; 
Bird Migration in Great Britain and Ireland, Wm. Eagle 
Clarke, 516; Birds of Paradise in the ‘‘ Arabian Nights,”’ 
Dr. A. R. Wallace, 617 
Bishop (L. B.), the Waterfowl Family, 73 
““ Bishop’s Ring, the New,’’ Volcanic Dust, and Atmo- 
spheric Absorption, T. W. Backhouse, 81 
Bishop’s Ring around the Sun, Diminishing Size of the 
New, Henry Helm Clayton, 270 
Bistram (Dr. A, Freiherr von), the Dolomite Region of 
Lugano, 112 
Bistram (Mr. von), Red Sandstones, &c., in Bolivia, 471 
Blackman (L. G.), Fibre Plants in Hawaii, 618 
Blaise (E. E.), the Alkyl-allyl-ketones, 359; New General 
Methods of Preparing Aldehydes, 496 
Blake (J. C.), Soluble Silver Compounds Formed in Pre- 
paration of Colloidal Silver Solutions by Sparking 
between Silver Electrodes under Water, 258 
Blane (A.), Study of a Contact Resistance, 192 
Blane (G.), Action of Epichlorhydrin’ upon the Sodium 
Derivative of Acetylacetone, 239; Preparation of Primary 
Alcohols by Means of the Corresponding Amides, 311; 
Synthesis of aa-Dimethylglutaric and aa-Dimethyladipic 
Acids, 455 
Bleekrode (Dr. L.), a Simple Lecture Experiment with 
Radium Rays, 103 
Blights of the Tea Plant, the Pests and, Sir G. Watt and 
H. H. Mann, 580 
Bloch (O. F.), Phosphorescence of Photographic Plates, 
2960 
Blondlot (R.), New Effects Produced by the n-Rays, 47; 
on the Storage of the n-Rays by Certain Bodies, 72; 
Reinforcement of the Action of the Bundle of Light Rays 
upon the Eye, when Accompanied by the n-Rays, 119; 
the Property of Emitting the n-Rays Conferred by Com- 
pression on Certain Bodies, and on the Spontaneous 
Emission of the n-Rays by other Bodies in a State of 
Constrained Molecular Equilibrium, 167; on the Dis- 
persion of the n-Rays and on their Wave-length, 311; 
New Species of n-Rays, 455; Action of the n-Rays on a 
Feebly Lighted Surface, 455; Comparative Actions of 
Heat and the n-Rays on Phosphorescence, 503 
Blondlot (M.), the n-Rays of, 182; John Butler Burke, 365 ; 
M. Blondlot’s n-Ray Experiments, A. A. Campbell 
Swinton, 272, 412; S. G. Brown, 296; O. Lummer at the 
German Physical Society, 378; Dr. C. C. Schenck, 486 ; 
Prof. John G. McKendrick, F.R.S., and Walter Colqu- 
houn, 534 
Blood and Iron, E. F. Wright, 1 
Bloomer (G. C.), Practical Physics for Schools, 125 
Blount (Bertram), Purification of Water Highly Charged 
with Vegetable Matter, with Special Reference to the 
Effect of Aération, 185 
Blowpipe, a Laboratory Guide to Qualitative Analysis with 
the, F. W. Martin, 126 
Blythswood (Lord), Radio-active Gas in Mineral Springs, 
247; Destructive Action of Radium, 317 
Boardman (T. H.), Practical Chemistry, 510 
Boceardi (J.), Guide for Astronomical and 
Calculations, 114; Guide du Calculateur, 316 
Bocourt (Firmin), Death of, 374 
Bodroux (F.), Method of Synthesis of Symmetrical Di- 
halogen Derivatives of Benzophenone, 48; Synthesis of 
Geodetical 
Aromatic Aldehydes, 287; New General Methods of Pre- 
paring Aldehydes, 496 
Body, Why the Mind has a, C. A. Strong, 53 
Bohn (Georges), Action of Radium Rays upon the Tegu- 
ments, 120 
Boiler Efficiencies, Engine Tests and, J. Buchetti, 532 
Bolas (Dr.), Flowering Plants and Ferns of the Cape 
Peninsula, 136 
Bolide, a Bright, W. E. Rolston, 259 
Bone (W. A.), Dissociation Constants of Trimethylene- 
carboxylic Acids, 142 
Bonnet (Mr.), the Dual Nature of Chromium Solutions, 305 
Bonney (Prof. T. G., F.R.S.), Observations of a Naturalist 
in the Pacific between 1896 and 1899, Vanua Levi, Fiji, 
H. B. Guppy, 31; Climbs and Explorations in the 
Canadian Rockies, Hugh E. M. Stutfield and J. Norman 
Collie, F.R.S., 84 
Boodle (L, A.), on the Structure of Leaves of Bracken from 
Different Habitats, 19; Structure of Leaves of Pteris 
aquilina in Relation to Environment, 119 
Booth (W. H.), Liquid Fuel and its Combustion, 196 
Borchardt (W. G.), Arithmetical Types and Examples, 54; 
Arithmetical Examples, 436 
Bordan (F.), the Resistance of Rats to Arsenical Poisoning, 
552 
Borings into a Coral Reef, 582 
Borrelly’s Comet (1903 c), Photographic Observations of, 
Sebastian Albrecht, 568 
Bort (Teisserenc de), Relation between Temperature and 
Elevation, 500 
Boscawen (W. St. Chad), the First of Empires, 337 
Bossetti (Adolfo), Base of Napier’s Logarithms, 582 
Botany: Radium and Plants, Dr. Henry H. Dixon, 5; 
Influence of Radium Rays on the Development and 
Growth of the Lower Fungi, J. Dauphin, 311; Biological 
Species of Parasitic Fungi, E. Fischer, 17; Origin of 
Parasitism in Fungi, George Massee, 429; Die Wirts- 
wechselnden Rost-pilze, H. Klebahn, 601; a Text-book 
of Botany, Dr. E. Strasburger, Fritz Noll, H. Schenck 
and the late A. F. W. Schimper, 28; Leaf Decay and 
Autumn Tints, Dr. P. Q. Keegan, 30; Die Vegetation 
der Erde, vi., Der Hercynische Florenbezirk, Dr. Oscar 
Drude, 49; Autophyllogeny in the Vine (Vitis), Herbert 
Campion, 57; Experiments on Wheat, R. H. Biffen, 92; 
Mendel’s Laws and their Application to Wheat Hybrids, 
R. H. Biffen, 454; Structure of Leaves of Pteris aquilina 
in Relation to Environment, L. A. Boodle, 119; Linnean 
Society, 119, 359, 430, 454, 478, 598; Flora of the Upper 
Gangetic Plain and of Adjacent Siwalik and Sub- 
himalayan Tracts, J. F. Duthie, 125; Notes from a 
Lincolnshire Garden, 126; Flowering Plants and Ferns of 
the Cape Peninsula, Dr. Bolas and Major Wolley-Dod, 
136; South African Flowering Plants, Prof. G. Henslow, 
460; Embryology of the Amentiferze, Part ii., Carpinus 
Betulus, Dr. Margaret Benson and Miss_ Elizabeth 
Sanday, 142; Die europdischen Laubmoose, Dr. George 
Roth, 150; on the Anatomy of the Roots of Palms, Dr. 
Eric Drabble, 160; Myriactis Areschougii and Coilodesme 
californica, Miss May Rathbone, 167; New South Wales 
Linnean Society, 168, 288; New Species of Callitris from 
New South Wales, R. T. Baker, 168; a Transpiration 
Model Elucidating Mode of Ascent of Water in Tall 
Trees, Dr. Dixon, 184; an Interesting Yucca, Prof. 
T. D. A. Cockerell, 198; Bericht ti. d. Erste Zusammen- 
kunft der freien Vereinigung der systematischen 
Botaniker u. Pflanzengeographen zu Berlin, 214; Réle 
of Calcium Oxalate in the Nutrition of Plants, M. Amar, 
240; American Tropical Laboratory, N. L. Britton, 247; 
Princeton Expedition to Patagonia, P. Dusén, 253; 
A. W. Evans, 253; G. Macloskie, 253; Systematic and 
Distributional Arrangements of the Genus Polygonum in 
India, Captain Gage, 258; on the Emission of Water 
Vapour by Plants, and on their Spontaneous Desiccation, 
M. Berthelot, 263 ; the Life-history of Araiospora, C. A. 
King, 280; Willow Canker, Prof. T. Johnson, 287; the 
Emission of n-Rays by Plants, Edouard Meyer, 287; 
Transpiration of the Leaves of Eucalyptus, Ed. Griffon, 
311; Geschichte und Herkunft der Schweizerischen 
Alpen-Flora, M. C. Jerosch, 340; Influence of the 
Carbonic Acid Emitted by the Soil on Vegetation, E. 
Demoussy, 359; Culture of Higher Plants in the Presence 
