918 



INDEX. 



Photographs of lightning, Prof. L. Weber 



on, 507. 

 Photography, a mode of, by J. Hancock, 

 519. 



as an aid in anatomical, histological, 



and embryological work, Prof. Fraser 

 on, 639 



, pin-hole. Lord Kayleigh on, 493. 



Phyllopoda, the fossil, of the palaeozoic 



rocks, seventh report on, 63. 

 Physical and chemical constitution of 

 comets and meteorites, the, by P. 

 Braham, 520. 

 Physical and Mathematical Section, 

 Address by Capt. W. de W. Abney to 

 the, 481. 

 Physical basis of commercial geography, 



the, by Dr. H. R. Mill, 659. 

 Physical qualifications, experiments at 

 Eton College on the degree of con- 

 cordance between difEerent examiners 

 in assigning marks for, by A. A. Somer- 

 ville, 477. 

 Physical science, suggestions for a course 

 of elementary instruction in, by Prof. 

 Armstrong, 229. 

 Physiography of the Lower Trias, the, by 



T. M. Reade, 566. 

 Physiology of the lymphatic system, 

 third report on the, 128 ; the stromata 

 of the red corpuscles, ib. ; the aqueous 

 humour, 130. 

 Pickering (Prof.) on the bibliography of 



solution, 53. 

 Pin-hole photograishy, Lord Rayleigh on, 



493. 

 Pitt-Rivers (Gen.) on the effects of 

 different occupations and employ- 

 ments on the physical development of 

 the human body, 186 ; on editing a 

 new edition of 'Anthropological Notes 

 and Queries,' ib. ; on the work of the 

 Corresponding Societies Committee, 

 187 ; on the anthropological measure- 

 ments taken at Bath, 423. 

 Placentation of the dugong. Prof. Sir W. 



Turner on the, 629. 

 Plant (J.) on the circulation of under- 

 ground waters. 71 ; on the erratic blocks 

 of England, Wales, and Ireland, 115. 

 Plants, the anatomy of, on some recent 

 progress in our knowledge of, by Dr. 

 D, H. Scott, 647. 

 Play fair (Col. Sir L.) on some remarkable 

 monuments in the neighbourhood of 

 Tiaret in Algeria, 668. 

 Polyzoa, the, of the Hunstanton red 



chalk, by G. R. Vine, 578. 

 Poor-law administration, by Rev. W. 



Bury, 715. 

 Poor-law progress and reform, exempli- 

 fied in the administration of an East 

 London union, by W. Vallance, 713. 

 Pnpp's system of transmitting power by 



compressed air, experiments upon, in 

 Paris, by Prof. A. B. W. Kennedy, 

 448. 



Portuguese explorations in Austral 

 Africa during the nineteenth century, 

 by J. Batalha-Reis, 663. 



Potter (M. C), *the protection of buds 

 against the sun, 648 ; *the biology of 

 Erythrina lithosperma, ib. 



*Poulton (E. B.) on the supposed trans- 

 mission of acquired characters, 620. 



Poynting (Prof.) on electrolysis in its 

 physical and chemical bearings, 223. 



Prall's system of central station heating 

 and power supply, by W. W. Phipson, 

 749. 



Precautions to be adopted when the 

 electric light is supplied by means of 

 accumulators, by K. Hedges, 740. 



Precious metals, the amount of the, in 

 use as money in the principal countries, 

 the chief forms in which the money is 

 employed, and the amount annually 

 used in the arts, report as to the sta- 

 tistical data available for determining, 

 164. 



Preece (W. H.) on standards for use in 

 electrical measurements, 41 ; on the 

 development of graphic methods in 

 mechanical science, 322 ; on the rela- 

 tive effects of steady and alternate 

 currents on different conductors, 513 ; 

 telephonic communication between 

 London and Paris, 744. 



and G. Forbes, a new thermometric 



scale, 514. 



Prehistoric inhabitants of the British 

 Islands, the localities in which evi- 

 dences are found of the existence of, 

 third report of the Committee for 

 ascertaining and recording, 318. 



Prestwich (Prof. J.) on underground tem- 

 perature, 35 ; on the circulation of 

 underground waters, 71 ; on the 

 erratic blocks of England, Wales, and 

 Ireland, 115. 

 Price (Prof. B.) on the possibility of cal- 

 culating tables of certain mathematical 

 functions, 28. 

 Price (L. L.), the relations between in- 

 dustrial conciliation and social reform, 

 706. 

 ♦Protection of buds against the sun, the, 



by M. C. Potter, 648. 

 ♦Protoplasm, living, the state of the 



water in, Prof. M. M. Hartog on, 645. 

 Prussiate of potash, the manufacture of, 



by Dr. J. B. Readman, 535. 

 *PterichthyidEe, remarks on the zoologi- 

 cal affinities of the, by Dr. R. H. 

 Traquair, 638. 

 Pure fermentations, contributions to the 

 study of, by Prof. P. F. Frankland, 

 G. C. Frankland, and J. J. Fox, 544 



J 



