496 
POPULAR SCIENCE REVIEW. 
Newfoundland Heather 88 
New South Wales, Secondary Fos- 
siliferons Deposits of. 96 
Newt, Reproduction of the Limbs 117 
Niobium, Compounds of 92 
Nitrogen, Determination of, in Am- 
moniacal Salts 204 
Nitrogen of Manures in Soils, Ac- 
cumulation of. 79 
Nitroglycerine, How to Use 105 
Noad, H. M., Induct orum or Induc- 
tion Coil 194 
Noad, M. D., Textbook of Elec- 
tricity 69 
Noctiluca, Action of Electricity on 118 
Northumberland and Durham, Na- 
tural History Transactions 308 
Norton, A. T., Osteology for Stu- 
dents 74 
Obituary 332 
(Ecistes, A New Species of ...: 351 
Oil Wells in Baden 217 
Oppert, E., Hospitals, Infirmaries, 
and Dispensaries : their Con- 
struction, Arrangement, and 
Management 305 
Optics, Recent Memoir on 484 
Organic Analysis, New Method of 453 
Origin of Species 66 
Orion, Nebula of 448 
Oscillariae, Movement of 453 
Osteology of Insectivora 350 
Osteomalacea, Cause of. 470 
Oxalic Acid in the Negative Bath 341 
Oxide of Tungsten, N ew Reactions of 2 1 7 
Oxychloride of Magnesium, a New 
Cement 455 
Oxygen, Cheap Mode of Obtaining 453 
„ Determination of, in Or- 
ganic Analysis 203 
Ozone, A Town Without 474 
„ Density of 454 
,, Determination of the Den- 
sity of 345 
Ozone, Development of, during the 
present Year 345 
Ozone, New Test for 476 
„ Relation of, to Direction of 
Wind 476 
Paleozoic Insects of Nova Scotia 461 
Palladium and Copper, Separation of 203 
Palm, A Hybrid 313 
Parabolic Governor 100 
Paraffin Lamps and their Dangers. 
By J. Attfield 167 
Parasites of a Desmid 452 
Pascal-Newton, Controversy 448 
Pelobates fuscus, Embryology of... 489 
Pendula (Brass), Expansion of. 447 
Pergeze, Analysis of the Waters... 92 
Perseberg Iron Mines 471 
Petroleum as Steam Fuel 216 
,, for Steam Engines 473 
Petroleum, (New) Compound 203 
,, Origin of 211, 325 
,, Production of Steam by 
Employment of 104 
Phosphate of Lime Bed in North 
Wales 324 
Phosphates (Soluble) in Cotton-fibre 
and Seeds 319 
Phosphoric Acid, Action of Bismuth 
on 202 
Phosphorus, Luminosity of 485 
Photographic Awards at Paris Ex- 
hibition 481 
„ Lens (another new ?) ... 107 
,, Medals, Presentation of 109 
„ Paper (a New) 108 
,, Prize, Due de Luynes ... 340 
„ Process, Claudet’s 108 
„ Society 342 
„ Transfers 479 
Photographs, Hardness a Defect in 228 
„ in Colours 341 
„ in N atural Colours ... 108 
„ of Brass-rubbing 229 
„ of Fossil Plants 315 
„ of Medical Men 437 
„ of Sierra Nevada ... 460 
„ Preservation of 341 
,, Permanent 109 
Photography 106, 227, 339, 479 
,, and Electricity 229 
„ and Navigation 110 
„ at the Paris Exhibition 339 
„ by Artificial Light 47 9 
„ in London 342 
„ Submarine 113 
Photo-Engraving Process (New) ... 343 
,, Heliograph, Kew 444 
Photosphymograph 469 
Physics 110, 230, 344, 483 
,, of the Brain. By B. W. 
. Richardson, M.D., F.R.S 415 
Pig, Specific Relations of 115 
Pine (the), Medical Products of ... 220 
Planarise of our Ponds and Streams. 
By E. Ray Lankester 388 
Planet, A New 447 
Plant Beds of North Greenland ... 461 
Plants (Fossil) ofBilin 453 
,, „ of Wolfang 460 
„ ,, Photographs of. 315 
„ Hawaiian 449 
,, Hybridization of 314 
„ of Iceland 315 
„ Illustration of Natural Se- 
lection in 316 
„ No New Genera of, in 1900 449 
,, Starchy Matter of 89 
„ Struggle for Existence 
amongst. By Dr. J. D. Hooker.. 131 
Plant-tissues, Gases in 450 
Plates, Long-kept 343 
Plesiosaurus, New Species of 208 
