April 



Sature, 1 

 it 14, 1921 J 



Index 



vu 



Cohn (li. J.). The Relation littween the Isoelectric I'oint 

 of a (ilobuliii and its Solubility and Acid-combining 

 CajKicily in Salt Solution, 58H 



Colainonico (C), A Zone of Carso known as " Vurgo " in 

 the Bari Territory, 426 



Cole (Prof. G. A. J.), hederal Science During the World- 

 war: Geology in Austj-ia-Hungary in 11)14-19, 675; 

 The Floor of Anglesey, 382 



Cote (Prof. \.. J.), and Miss Sarah Jones, Occurrence of 

 Red Calves in Black Breeds of Cattle, 544 



Cole (S. W.), Practical Physiological Chemistry. Sixth 

 edition, 595 ; re-appointed Lecturer in Medical Chemis- 

 try in Cambridge University, 298 



Collignon (M.), The Propagation of the Sound of Guns to 

 Great Distances, 818 



Collin (J. K.), Keys to the British Species of the Sylvaticus 

 Group of the Genus Pipunculus, 575 



Collinge (Dr. \V. E.), The Effects of Oil from Ships on 

 Certain Sea-birds, 830 ; The Status of the Rook in its 

 Relation to the Farmer, Fruit-grower, and Forester, 



570 



< ollins (C. \V.), and C. E. Hood, Egg-laying Habit of 



Euhiomyia calosoniac, 27 

 Collins (E. J.), The Genetics of Sex in t'tinaria hygrome- 



trica, 39J 

 <"ollins (Marjorie I.), Certain Variations of the Sporocyst 



in a Species of Saprokgnia, 135 ; The Structure of the 



Resin-secreting Glands in some .^ustralian Plants, 267 

 Collins (S. H.), Chemical Fertilisers and Parasiticides, 



206 

 Coltman-Rogcrs (C), Conifers and their Characteristics, 



563 

 Colwcll (H. A.), The History of Electrotherapy, 448, 641 

 Compton (Prof. .\. H.), The Elementary Particle of Posi- 

 tive Electricity, 828 

 Comstock (Rev. J. H.), .\n Inlrrxluction to Entomology. 



Par^ i. Second edition, 340 

 Comurci (P.), So-called Hydrocastorite of Elba, 35 

 Conklin (Prof. E. G.), The Rate of Evolution, 133 

 Cooke (C. J. Bowen), [iobiluary],< 287 

 Cooke (W. E.), The Eclipse of iqa2 in Australia, 387 

 Copaux (H.), and C. Philips, The Heat of Oxidatfon of 



Beryllium. 299 

 Cope (J. I..). Departure of, on Expedition to the .Xntarclic, 



>.V' 

 iliiix (Mr>. W . Hi. I .i/^s of Ir.igrance in Musk Plants, 



22 1 



Copeman (Dr. M.), The Relationship of Smallpox and 

 .'Mastrim and an Anomalous Varioloid Disease in Nor- 

 folk, ^75 

 ("uppock (J. B.). Volumetric .Analysis. Second edition, 7 

 Corbin (H. E.), and A. M. Stewart, A Handbook of 



Physics and Chemistry. Fiftji <Hlition, 107 

 Corblin (H.), A Heat Compressor with a Membrane, 746 

 Cornish (Dr. Vaughan), Imperial Capitals, 390 

 ("ornubert (R.), The Spectrochemical Study of the a-ailyl 



and a-allyl-methylryclohexanones, 555 

 Cnrtic (Rev. .\. I..), Observations on Solar Faculx and 

 Photographs of Calcium Flocculi, 358 ; The Spectrum 

 of Nova Cygni Ml., 79 

 <'i>ry (C. B.), Catalogue of Birds of the Americai, 672 

 <(rtte (J. H.), The Gases Dissolved in Water, 253 

 <X)tter (J. R.), The Energy of Cyclones, 407, 438 

 ('otinn (I.. A.), and .Miss M. Peart, The Calculation of the 

 Refrartite Index in Random Sections of Minerals, s"? 

 Coupin (H.), Resintance of .Seedlings to Starvation, 231 

 Courwy (P. R.), The Electrical Traniimissiun of Pictures. 



"5 

 Courtonnc (H.), The Opposed .Acljon of Soluble Chlorides 



and Sulphates on Starchy Materials, 586 

 Craig (E. H. Cunningham), Oil-finding : An Introduction to 



the Geological Study of Petroleum. Second edition, 78 

 Cramer (Dr. W.), Directions for a Practical Course in 



Chemical Physiology, Fourth edition, 499 



< rnnip (Prof.), Pneumatic Elevators for the Unloading of 



Grain, 423 

 Cra«tcr (l.f.-Col. J. E. E.), .\n Investigation of Rlver-How, 



Rainfall, and Evaporation Records, 554 

 Creed (F. G.), Apparatus for Printing wirele»« Messages, 



47 » 



Creighton (Dr. C), Some Conclusions on Cancer, 824 



Crewe (the Marquess of), The Imperial College of Science 

 and Technology, 552 



Crommelin (Dr. A. C. D.), Gibcrne's This Wonderful 

 Universe. New edition, 595; Lewis's Splendours of 

 the Sky, 309; Relativity and the Motion of Mercury's 

 Perihelion, 787 ; The Annular Eclipse of April 8, 835 



Crompton (Col.), The Blunting of the Edges of Cutting- 

 tools, 422 



Crooke (Dr. W.), Curious Rites at the Accession of 

 Rajas in India, 769 



Crossley (Dr. A. W.), The British Cotton Industry Research 

 Association, 411 



Crowthcr (Dr. W. L.), The Tasmanian Aborigines, 330; 

 and C. Lord, Descriptive Catalogue of the Osteo- 

 logical Specimens relating to Homo tasmanensis 

 contained in the Tasmanian .Museum, 330 



Crozier (Dr. J. B.), [obituary article], 700 



Culpin (Dr. M.), Psychoneuroses of War and Peace, 686 



Cummins (Col. S. L.), appointed Professor of Tuberculosis 

 at the Welsh National Medical School, 392 



Cunningham (Dr. Brysson), The Durability of Maritime 

 Structures, 235 



Cunningham (E.), Relativity : The Growth of an Idea, 



784 

 Cunningham (J. T.), Heredity and .•\cquired Characters, 



630 ; Heredity and Biological Terms, 828 

 Cunnington (Dr. W. A.), Fauna of the .African Lakes, 



with .Special Reference to Tanganyika, 489 

 Curie (Mme.), The .Action of Red and Infra-red Rays on 



Phosphorescent Substances, 851 ; The Radio-elements 



and their Applications, 417 

 Curtis (II. L.), Problem of the High-frequency Resistance 



and Inductance of Parallel Wires, 641 

 Cushny (Prof. A. K.), The British Association, 147 

 Cuttica (V.), Thermic .Analysis of the System of Nitrate 



of Thallio-nitrite of Thallium, 522 



Dall (Dr. W. H.), Annotated List of Br.ichiopoda in the 

 U.S. National Museum, 158; Pliocene and Pleistocene 

 Fossils from Alaska, 122 



Dallon (Sir Cornelius N.), [obituary], 287 



Dalton (J. P.), The Integrated Velocity Equations of 

 Chemical Reactions, 426 



Daly (Prof. R. A.), The Possibility of a General World- 

 wide Sinking of Sea-levol during Post-Glacial Tiines, 

 576, 587 ; The Planetesimal Hypothesis, 642 



Damant (Lieut. -Comdr. G. C. C), A Diver's Notes on 

 Submarine Phenomena, 142 



Damiens (A.), The Bromine and Chlorine existing 

 Normally in Animal Tissues, 459 ; The .Subiodide of 

 Tellurium, Tel„ 586 ; The Toxicological Detection of 

 Poisons containing Bromine, 521 



Dangcard (A. P.), An Alga cultivated in the Dark for 

 Eight Years, 850 



Danjon (A.), A New Variable Star of Short Period, 458; 

 A Relation between the Light of the Eclipsed Moon 

 and Solar Activity, 586; New Determination of the 

 Solar Period, 618'; and C. Rougier, The Green Ray 

 or Flash, 772 ; The Spectrum and Theory of the Green 

 Ray, 395 



Danois (Dr. Ed. Ic), " Le Merlu, ' 441 



Darke (W. F.). J. W. McBain, and C. S. Salmon, The 

 Ultra-microscopic Structure of Soaps, 848 



Darling (C. R.), Pyrometry : A Practical Treatise on the 

 .Measurement of High Temperatures. Second edition, 



37' 

 Darmois (E.), Influence of Ammonium .Molybdatc on the 

 Rotary Power of Malic Acid, 35 ; The Dispersion of 

 the Refraction of Hydrocarl>ons, 490 

 l>'.\rsonval (Prof.), The Spahlingcr "Treatment for Tuber- 

 culosis, 839 

 Darwin (C. G.), The Structure of the Atom, 51, 81, 116 

 Darwin (Sir Francis), .Springtime and other Essays, 171 

 Dauvillier (A.), A New Theory of Photographic Phenomena, 

 363 ; The Mechanism of the Chemical Reactions caused 

 by the X-Rays, 209 

 Davenport (Dr. C. B.), Studios of Heredity, 582 

 David (Prof. T. W. Edgeworth), appointed a K.B.E., 249 



