Vlll 



Index 



Nature, 

 March 23, 191 1 



and T. Harvey Johnston, 130; Chemotactic and Similar 

 Reactions of the Swarm Spores of Myxomycetes, S. 

 Kusano, 151 ; Nuclear Relations of Paramecium cauda- 

 ium during the Asexual Period, K. R. Lewin, 161 ; 

 Further Evidence in favour of a so-called Pure-line 

 Method in Corn Breeding, Dr. G. H. Shull, 217; a Bio- 

 logical Inquiry into the Nature of Melanism in 

 Amphidasis hetularia, Linn., H. S. Leigh, 270; Remark- 

 ;ible New Species of Volvox collected by Mr. Rousselet in 

 Rhodesia, Prof. G. S. West, 278 ; Spawn and Larva of 

 the Salamander, Amhly stoma Jeffersonianum, Prof. W. H. 

 Piersol, 279 ; Ostracoda collected by D. Pedashenko in 

 Issykkul, 279 ; Sex Relationship, Dr. R. J. Evvart, 322, 

 406 ; Hertha Ayrton, 406 ; Life-history of the Reindeer 

 Warble-fly {Oedcmagena tarandi), Prof. G. H. Carpenter, 

 345 ; Preliminary Note on Unio pictorum, U. tumidus, 

 and D. cygnea, Margaret C. March, 361, 429 ; Some 

 African Rotifers — Bdelloida of Tropical .Africa, Jas. 

 Murray, 361 ; an Introduction to Biology for Students in 

 India, Prof. R. E. Lloyd, 370 ; Action of X-rays on the 

 Developing Chick, J. F. Gaskell, 428; Determination of 

 Sex, Prof. J. Arthur Thomson, 463 ; Problem of Sex- 

 determination, 550 ; Die Variabilitat niederer Organis- 

 men, Hans Pringsheim, C. Clifford Dobell, 501 ; Populare 

 Vortrage aus dem Gebiete der Entwickelungslehre, Dr. 

 Wilhelm Breitenbach, 540 ; Microfauna of the Nile, Dr. 

 E. von Daday, 549 ; Germinal Localisation in the Egg 

 of Cerebratulus, N, Yatsu, 550 ; an Entoproctan Poly- 

 zoon {Barentsia benedeni), James Ritchie, 565 ; Marine 

 Biology, the Michael Sars North Atlantic Deep-Sea 

 Expedition, 1910, Dr. Johan Hjort, 52 ; the Michael 

 Sars North Atlantic Deep-Sea Ex{>edition, 1910, Dr. 

 Johan Hjort at Royal Geographical Society, 388 ; Work 

 of the Port Erin Biological Station, 83 ; the Ova and 

 Larvae of Teleostean Fishes taken at Plymouth in the 

 Spring and Summer of 1909, 85; Comparison of the 

 Summer Plankton on the West Coast of Scotland with 

 that in the Irish Sea, Prof. W. A. Herdman, 96 ; the 

 Siphonophora of the Research Biscayan Plankton, H. B. 

 Bigelow, 96 ; Eel-Larvae {Leptocephalus hrevirostris) 

 from the Central North Atlantic, Dr. Johan Hjort, 104; 

 the Megalospheric Form of Ammodiscus incertus, F. 

 Chapman, 139 ; the Southern Division of the Mannar 

 Pearl-oyster Fishery, Dr. A. Willey, 148 ; Pearl and Pearl- 

 oyster Fishery, A. Scale, 177; Pearl-fishery off Bantayan, 

 L. E. Griffen, 246 ; the Breeding Seasons of Calanus 

 finmarchius, G. P. Farren, 565 



Birds: the Flight of Birds against the Wind, Dr. W. Ainslie 

 HoUis, 107 ; the Flight of Birds, Lucien Fournier, A. Mal- 

 lock, F.R.S., 445 ; the Sailing-flight of Birds, Canon R. 

 Abbay, 475; F. W. Headley, 511; A. Mallock, F.R.S., 

 £;n ; Edward D. Hearn, 511 ; Position of Birds' Nests in 

 Hedges, Lt.-Col. J. H. Tull Walsh, 207; the Conduct 

 and Song of Birds, F. C. Constable, 308 ; the Birds of 

 Dumfriesshire, a Contribution to the Fauna of the Solway 

 Area, Hugh S. Gladstone, 378 ; the British Bird-Book, 

 407 



Birkenmajer (Dr. L.), Several Entirely Unknown Auto- 

 graphs of Nicolaus Copernicus, 217 



Birkenstock (M.), Bright Bolides, 385 



Bison, Present Condition of American, and Seal Herds, 12 



Black (Adam), Study of Artificial Pyrexia produced by 

 Tetrahydro-^-naphthalamine Hydrochloride, 565 



Blackman (Dr. F. F., F.R.S.), on Respiration, 26; 

 Germination Conditions and the Vitality of Seeds. 58 ; 

 a New Method for Estimating Gaseous Exchanges of 

 Submerged Plants, 1530 ; on Assimilation in Submerged 

 Water-plants and its Relation to the Concentration of 

 . Carbon Dioxide and other Factors, c;3o 



Blackman (Prof. V. H.), the Vermiform Male Nuclei of 

 Lilium, 58 ; a Form of Nuclear Division Intermediate 

 between Mitosis and Amitosis in Coleosporium Tussila- 

 ginus, 59 



Blair (Mr.), Relations of Science with Commercial Life, 90 



Bloch (Eugene), Action of a Magnetic Field on the Electric 

 Discharge, 97-8 ; the Discharge Potential in the Magnetic 

 Field, 463 



Bodeker (Dr.), Native Methods of Fishing in Relation to 

 the Incidence and Dissemination of Sleeping .Sickness, 178 



Bodroux (F.), .Action of some Esters on the Monosodium 

 Derivative of Benzyl Cyanide, 328 



Bohr (M.), Determination of the Tension of a Recently 

 Formed Water-surface, <)5 



Boisbaudran (Lecoq de), the Dehydration of Salts, 565 



Bolides, Bright, M. Birkenstock, 385 



Bolton (Herbert), Collection of Insect Remains from the 

 South Wales Coalfield, 462 



Boltwood (Dr. B. B.), Radiochemistry, A. T. Cameron, 1C3 



Bongrand (J. Ch.), Propiolic Compounds, 161 



Bonhote (J. Lewis), Experiments on the Occurrence of the 

 Web-foot Character in Pigeons, 160 



Bonin (Gerhardt v.), Klaatsch's Theory of the Descent of 

 Man, 508 



Borrelly (M.), Observation of the Faye-Cerulli Comet made 

 at the Observatory of Marseilles with the Comet Finder, 

 261 



Boselli (Jacques), Resistance to the Movement of Small 

 Non-spherical Bodies in a Fluid, 429 



Bosler (J.), les Theories Modernes du Soleil, 68 



Bosvvorth (T. O.), Keuper Marls around Charnwood 

 Forest, 360 ; Metamorphism round the Ross of Mull 

 Granite, 387 



Botany : Death and Obituary Notice of Prof. D. P. 

 Penhallow, 16; Specimen of Agave Americana in 

 Flower, 17; New Philippine Plants, E. D. Merrill, 20; 

 Flowers which Undergo Marked Changes after Fertilisa- 

 tion, Dr. H. Fitting, 20 ; the Teaching Botanist, Prof. 

 W. F. Ganong, 36 ; Death of Dr. Theodore Cooke, 46 ; 

 Obituary Notice of, 82 ; the Botanical Journal, 47 ; Rela- 

 tionship that Exists between the amount of Chlorophyll 

 present in a Leaf and the Energy of Photosynthesis, 

 W. N. Lubimenko, 48 ; Examples of a Monstrous 

 Carnation, 48 ; Pteridophyta for the Transvaal Province, 

 J. Burtt-Davy, 48; Two Notes from India, Capt. J. H. 

 Barbour, 73 ; Sexual Dimorphism in Plants, Prof. K. 

 Goebel, 8.1^ ; Linnean Society, 96, 160, 226, 395, 496 ; 

 Struggle for Water between the Soil and the Seed, .V. 

 Muntz, 97 ; the Jodrell Laboratory at Kew, Sir W. T. 

 Thiselton-Dyer, K.C.M.G., F.R.S., 103; the Arnold 

 Arboretum, W. J. Bean, 117; Wild Flowers of the 

 British Isles, H. Isabel Adams, 134 ; Catalogue of Hardy 

 Trees and Shrubs Growing in the Grounds of Syon 

 House, Brentford, A. B. Jackson, 136 ; Action of Light 

 on Plants, H. Rousset, 149 ; Theoretical Origin of 

 Plantago maritima, L., and P. alpina, L., from P. 

 coronopus, L. Vars, Prof. G. Henslow, 160 ; a Theoretical 

 Origin of Monocotyledons from Aquatic Dicotyledons 

 through Self-adaptation to an Aquatic Habit, Prof. G. 

 Henslow, 160 ; Some Crosses with Rivet Wheat, Prof. 

 Biffen, 160; Inheritance of the Yellow Tinge in Sweet- 

 pea Colouring, Mrs. D. Thoday and D. Thoday, 160 ; 

 Extinction of Cryptogamic Plants, A. R. Horwood, 177 : 

 Botanical Expedition in the Victorian Alps, Plants Re- 

 corded in the District bv Dr. A. J. Ewart, J. W. Audas, 

 177; Flora of Mt. Pulog, E. D. Merrill and M. L. 

 Merritt, 217: New South W'ales Linnean Society, 22S, 

 362 ; Vegetation on the Kasatzkisch Steppe, V. Alechin, 

 246; Bud-rot Disease of Palms, Dr. E. J. Butler, 246; 

 Veronica prostraia, L., teucrium, L., und austriaca, L., 

 nebst einem anhang iiber deren nachste vervvandte. Dr. 

 Bruno Watzl, 267 ; Comparative Anatomy of the Leaves 

 of Certain Specifs of Veronica. R. S. Adamson. 30- ; 

 Lichen Collected in the Jugiur Chain (Stanovoi), Ir. M. 

 .Shegolef, 279 ; das Pflanzenreich, Papaveraceae- 

 Hvoecoideae et Papaveraceae-Papaveroideae, Friedrich 

 Feddc, 302 ; Plant Anatomy from the Standpoint of the 

 Development and Functions of the Tissues and Handbook 

 of Microtechnic, Prof. W. C. Stevens, 33.5 ; Dr. Ernest 

 Durand's Bequest to Paris Museum of Natural History, 

 343 ; Sporangium of Lycopodiiim pithyoides, Miss A. G. 

 Stokey, 341; ; Reports of the Botanical Departments in 

 Trinidad and Tobago. Prof. P. Carmody. 345 : Catalogue 

 of Hybrid Plants raised at Kew during Past Years, 346 ; 

 Sigillaria and Stigmariopsis, Prof. F. E. Weiss, 361, 

 429 ; Botany for High Schools. Prof. G. F. Atkinson, 

 -370; Hausliche Blumenpflege. Paul F. F. Schulz. 370: 

 Flora of the Samoa Islands, Dr. F. Vaupel. 382 ; Report 

 on the International Botanical Congress, held at Brussels 

 on May 14-22, iqio. Dr. O. Stapf, -^q; ; a Text-book of 

 Botany for Colleges and Universities, Prof. J. M. 

 Coulten, Prof. C. R. Barnes, and Prof. H. C. Cowles. 

 399 ; Plant Life in Alpine Switzerland, E. A. Newell 



