INDEX. 
Pagurus and Adamsia, Habits of . . 287 
Palaeontology, Relation of Botany 101 
Palliser Bolts 538 
Palmidactylism in several Gene- 
rations 270 
Palmogloea macrococca, What is 387 
Pharmacopoeia, New 401 
Phillips’s Atmospheric Electricity 513 
Phipson, Dr., Aniline Dyes 429 
Photogenic Pictures 72 
Photographic Pictures, Minute and 
Magnified 71 
,, Printing and En- 
graving 1 
,, Society, the London 414 
Photograph of the Sun 516 
Photographs, Action of Hot Water 
on 416 
,, Method of Restoring 416 
,, reputed Watt 276, 
413, 551 
Photography 128, 276, 412, 551 
,, British Journal of .. 280 
,, in application to Mi- 
croscope 279 
Photometer, New 136 
Photo-Sculpture 553 
Phthisis, Use of Alcohol in .... 400 
Physics 132, 280, 417, 556 
Physical Geography and Geology 94 
Pianofortes, Appai'atus for Tuning 79 
Pig-Iron, Titanium in 275 
„ Vanadium in 408 
Planet, New 515 
Planets, Observations of Minor . . 244 
Plants, Respiration of 389 
,, Vascular System in 250 
Plesiosaurus Cramptoni, Anatomy 259 
Pneumatic Despatch, by S. J. 
Mackie, Plate XIX 460 
Polariscope, New Lantern 417 
Pollen Grains, Persistance of Fer- 
tilising Power in 519 
Polyzoa, British 563 
Pork, Diseased, by J. Gamgee . . 141 
Postage Stamps, Damping 80 
Potato, Effects of Phosphate and 
Potash on 381 
Preserving Provisions 75 
Pressure, Forging by 263 
Prior, R. C. A., Popular Names 
of British Plants 228 
Prize Essays, Medical 543 
Projectiles, Destructive Effects of 116 
Psorospermiae, Real Nature of .. 138 
Pteromalus, Metamorphoses of .. 136 
Pumps, Centrifugal 264 
Pupil, Dilatation of 402 
Pyrenees Stone, Age in 261 
Pyrites Burners, Thallium from . . 272 
Pyro and Meta Arseniates, Non- 
existence of 390 
571 
Quinine in Jamaica Cinchonas 518 
Radial Axle Boxes 535 
Railway Wheels, Elastic 535 
,, Tunnel through the Alps, 
Plate VII 157 
Rainwater, Composition of . . 256, 525 
Raphides 251, 388, 518 
Reason Why, The. 94 
Refrigerators 237 
Respiration of Fruits 518 
„ Products of 120 
Reviews of Books .. 83, 217, 370, 501 
Rhizopods, Variation of Species. . 425 
Richardson, Dr. B. W., Greek Fire 164 
Roberts, G. E., Pre - Historic 
Dwellings, Plate XV 362 
Roots of Plants, Functions of . . . . 514 
Rotifers, Vitality of 289 
Rusts, Plates XII., XIII.-XX. 
317, 469 
Ruta-muraria, Peculiar Form of. . 387 
Rutile, Reproduction of 126 
Sagenite, Reproduction of 126 
Salmon Characters of Male .... 424 
Salt Water Entomostraca in Fresh 
Water 565 
Satellites of Sirius 515 
Savory, W., on Life and Death . . 379 
Saxby, Weather System 508 
Scapho-cephalic Skulls, Cause of 403 
Schreibersite, Characters of 276 
Scientific Summary. . 97, 243, 381, 514 
Scotland, Ancient Shell Mounds 111 
Sea Louse of the Baltic 423 
Sewing Machines, Patent 79 
Sharks, Fossil Fresh-water 262 
Signal Lanterns 76 
Signals, Faulkner’s Electric Pit . . 547 
Silica Compound, New 524 
Silver in Copper Mines 125 
,, Method for Extraction of. . 404 
Sirenia, Skeleton of 288 
Sirius, Companions of 98 
Skin of Hands and Feet 119 
Skin Parasites, Nature of 540 
Smuts and Bunts 35 
Smuts in Wheat, M. Lavalle’s 
Conclusions 521 
Soap for Dirty Hands 390 
Soil, Character of, Population De- 
pendent upon 382 
Solid Bodies, Specific Heat of. . . . 135 
Solar Discoveries, Nasmyth’s .... 3S5 
„ Envelope 516 
„ Faculse 99 
,, Light, Analysis of 560 
,, Rays Electric Agents 133 
Sound, Laplace’s Correction for 
Velocity of 284 
Space, Motion of Solar System in 385 
