Nature, Dec. 29, 1881] 



Cross (C. R.), Acoustic Phenomenon noticed in a Crooljes Tube, 



45 

 Cryptogams, Evolution of the, J. Starkie Gardner, 73, 558, 606 

 Crystal Palace, Proposed Internationa! Electrical Exhibition at, 



539, 610; List of the Honorary Conncil, 590 

 Ctenophora, Prof. AUnian on the Development of the, 117 

 Cucl<oo, Notes of the, J. Birmingham, 165 

 Gumming (Miss C. F. Gordon), " At Home in Fiji," 2S1 

 Cumuli, Formation of, M. A. Veeder, 5 

 Cunningham (John P.), Thunderstorm at the Cape, 166 

 Cunningham (Dr. D. J.), Functional Metamorphosis of Muscles, 



527 

 Cupressme.-e, the, a Chapter in the History of the Conifera;, J. 



Starkie Gardner, 103 

 Cnrran (Dr. W.), Speaking Tube Anticipated, 80; Buoyancy 



of Bodies in Water, 166 

 Currents, Tidal, vostis Wind Waves, G. H. Kinahan, 460 

 Currey (Frederick, F.R.S.), the Death of, 475 ; Obituary Notice 



of, 485 

 Cycadaceous Stem, Australian, at Kew Gardens, 425 

 Cycle of Celestial Objects, Admiral W. H. Smyth, 234 

 *-ygi'''. X> Variable Star, 277 

 Cyprus, Geology of, 473 



Danzig, Naturforschende Gesellschaft, 315 

 Dark Day in New England, Chas. W. Harding, 557 

 Dark Day, A. '^.-evor Crispin, 605 



Darwin (Chas., F.R.S.), Inheritance, 257; Leaves Injured at 

 Nigh' ^y Free Radiation, 459 ; the Formation of Vegetable 

 Mwiild through the Action of Worms, with Observations on 

 (heir Habits, Geo. J. Romanes, F.R.S., 553 ; on the Bodily 

 and Mental Development of Infants, 565 

 Darwin (G. H.), on the Stresses caused in the Interior of the 



Earth by the Weight of Continents and Mountains, 231 

 Darwin, the Student's, Edward B. Aveling, Geo. J. Romanes, 



F.R.S., 429 

 Davis' Lectures for 18S1 , 16 



Davis (Dr. Joseph Barnard), Obituary Notice of, 81 

 Dawson (Principal J. W., F.R.S.), Oldest-known Insects, 483 

 Dawson (James), Australiin Aborigines: the Languages and 

 Customs of several Tribes of Aborigines in the Western Dis- 

 trict of Victoria, Australia, Ed%\ard B. Tylor, F.R.S., 529 

 Deaf and Dumb, the Education of the, 363 

 Dearborn Observatory, Chicago, 477 



Decomposition, Apparent, of Sunlight by Intermittent Reflect- 

 ing Surfaces, Frederick J. Smith, 140 

 Denka Language, Prof. Beltrame's Work on, 314 

 Denning (W. F.), a New Comet, 541, 557, 591, 612 

 Descent of Birds, W. A. Forbes, 3S0 

 Descent, Studies in the Theory of, Dr. Aug. Weismami, Alfred 



R. Wallace, 457 

 Desmids, , New Zealand, 389 



Deville (Etienne Heniy Sainte-Claire), Obituary Notice of, 219 

 Dewar (Prof., F.R.S.), on the Alleged Decomposition of the 



Elements, 468 

 Diamonds, Coal, and Gold of India, V. Ball, 579 

 Dictionary of Chemistry and Allied Sciences, H. Watts, F.R.S., 



.53° 

 Diffraction Rings, Photographing-Optical Phenomenon, Prof. 



John Le Conte, 4S5 

 Discontinuous Phosphorescent Spectra in High Vacua, William 



Crookes, F.R.S., 89 

 Diving Bell, Early Notice of, 202 : Primitive, N. S. Pleineken, 



485 

 Domestic Sanitation, Competitive Examination on, 65 ; Dr. B. 



W. Richardson on, 565 

 Dorset, the Spiders of, with an Appendix containing Descrip- 

 tions of those British Species not yet found in Dorsetshire, 

 Rev. Octavius Pickard Cambridge, 482 

 Douglas (Mrs. Stair), Life and Selections from the Correspond- 

 ence of William Whewell, D.D., Prof. T. G. Bonney, 

 F.R.S., 137 

 Draper (Dr. Henry), the Comet, 236, 308 

 Dresser (Henry E.), a List of European Birds, 52 

 Drew (Samuel), Optical Illusion, loi 



Drowning, how to Prevent, Dr. Henry MacCormac, 62, loi, 

 166 ; E. Hill, 79 ; Wm. Chappell, loi ; Dr. R. E. Dudgeon, 

 126 ; Dr. W. Henry Kesteven, M. Chatel, 142 ; Dr. W. 

 Curran, 166; W. Mattieu Williams, John Rae, 190 ; Prof. 

 W. T. Thiselton Dyer, F.R.S., 214 ; Prof. J. Le Conte, 260 

 Dubrunfaut (M.), Death of, 589 



Dudgeon (Dr. R. E.), how to Preveat Drowning, 126 



Dufour (M. Henri), Assassination of, 567 



Duncan (John), the Alford Weaver-Botanist, 6 ; Death of, 361 



Duncan (P. Martin, F.R.S.), Arctic Echinodermata, 97; Car- 

 bonic Acid Gas not free in Sea Waiter, 213 



Dust- Winds at Hankow, H. B. Guppy, 127 



Dutch Arctic Expedition, Zoology of the, 57 



Dyer (Prof. Thiselton, F.R.S.), on the Labels of Plants in Kew 

 Gardens, 16; how to Prevent Drowning, 214 



Dynamos, the Proper Proportions of Resistance in the Working 

 Coils, the Electro-Magnets, and the External Circuits of, Sir 

 William Thomson, F.R.S., 526 



Eagle, an Aged, 16 



Early English Pendulum Measures, Major J. Herschel, F.R S , 



237 

 Earth, the Figure of the, Mansfield Merriman, 259 

 Earth-Electric Cloud, Madeira, Prof. Piazzi Smyth, 530 

 Earth-Electricity, a Case of Slow, Sub- Tropical Discharge of, 



and the Sun Recognisant thereof. Prof. Piazzi Smyth, 212 

 Earth, Stresses caused in the Interior of, by the Weight of Con- 

 tinents and Mountains, G. H. Darwin, 231 

 Earthquakes : at Sicily, 17 ; in Japan, Prof. John Milne on, 64; 

 of Japan, B.A. Report on, 462 ; at Mottling, 65 ; Shocks of, 

 on Mount Vesuvius, 132; in Switzerland, 147; in Van, 147 ; 

 in Hungary, 177 ; in Van, Capt. Emilius Clayton, 119, 238 ; 

 at Agram, 202, 61 1 ; at Metkovich (Dalmatia), 265 ; in Eastern 

 France, 291 ; at Bangor, Maine, U.S., 314 ; at Geneva, 341 ; 

 the Swiss Seismological Commission, 362 ; Dr. K. von FriLsch 

 on, 363 ; at Chio and Tchesme, 426 ; at Teversal, Notting- 

 hamshire, 427 ; in North Island, New Zealand, 477 ; felt in 

 the Basin of the Lake of Geneva, 519; at Elmira, State of 

 New York, 519; in Changeri in Anatolia, 540; Quarlerly 

 Jicview on, 5S4 

 Ebonite, the Transparency of, to Heat Rays, 294 

 Echinodermata of the Arctic Seas, Dr. P. Martin Duncan, 



F.R.S., and W. Percy Sl.iden, 97 

 Eclipses, Total Solar, occurring before the End of the Present 



Century, 102 

 Economics and Statistics view-ed from. the Standpoint of the 



Preliminary Sciences, P. Geddes, 523 

 Eddystone Lighthouse, 132 



Eder on Photo-chemistry of Silver Bromide, 542 

 Edinburgh : Royal Society, 47, 119, 273 ; New Botanical Lec- 

 ture Theatre, 426 

 Edmonds (F. B.), on the Sun-Spot Period and Planetary Tides 



in the Solar Atmosphere, 466 

 Education Society, 134 

 Egypt, Nummulitic Echinids of, 66 

 Egyptian Excavations and Mummies, 481 

 Egyptian Geographical Society, 296 

 Elasmobranchs, F. M. Balfour on, 159 



Electricity: Electric Lighting, 6, 33, 60; in the City, 17 ; in 

 Collieries, 3S3, 510 ; at the Paris Opera, 566, 589 ; Electricity 

 in France, 1 7 ; Proposed Electric Railway in Paris, 1 7, 147, 426, 

 476; Dr. W. Spottiswoode, F. R.S., on, 164; the Future Deve- 

 lopment of Electrical Appliances, Prof. John Perry, 19 ; L'Elec 

 trician, 39 ; the Paris Exhibition, 39, 88, 201, 225, 290, 314, 

 340, 362, 426, 455, SI I, 533, 563, 585, 607 ; Electric Railway 

 in Germany, 64; Electricity, Prof. Fleeming Jenkin, F.R.S., 

 76 ; Storing of, 68 ; Conservation of, 105 ; Prof Silvanus P. 

 Thompson, 78, 164; G. Lippmann, 140; Plantes Electrical 

 Accumulator, 147 ; Storage of Electric Energy, Sir William 

 Thomson, F.R.S., 137, 156 ; Prof. Osborne Reynolds, 

 F.R.S., 156; the Propulsion of Vessels by, 109; Electrical 

 Shadows, Prof. \V. Holtz's, 130 ; a Case of Slow, Sub- 

 Tropical Discharge of Earth Electricity and the Sun Recog- 

 nisant thereof. Prof. Piazzi Smyth, 212 ; New Meter for 

 Electric Currents, John T. Sprague, 335 ; Electricity and 

 Magnetism, Hydrodynamic Analogies to. Prof. George 

 Forbes, 360 ; Proposed International Electrical Exhibition 

 at the Crystal Palace, 539,610 ; List of the Honorary Council, 

 S90 ; Electrical Discharge, its Forms and its Functions, Dr. 

 William Spottisw^oode, F.R.S., 546,569; on some Applica- 

 tions of Electric Energy to Horticulture and Agriculture, Dr. 

 C. W. Siemens, F.R.S., 567 

 Electromagnet, a Large, 202 

 Electrolytic Conduction, Prof. Helmholtz on, 47 

 Elemental^ Bodies, on the Equivalents of the, Considered as 

 Representing an Arithmetical Progression Deducible from 

 Mendeleeff's Tables, Prof. J. P. O'Reilly, 274 



