INDEX, 



963 



•Pharynx of Eristalig, J. J. Wilkinson 

 on the, 790. 



Phillips (C. E. S.) on the apparent 

 emission of cathode rays from an 

 electrode at zero potential, 639. 



(Prof. E. W.) an fertilisation in 



Ph<sophyce(B, 569. 



Phosphorescent glow in gases, J. B. B. 

 Burke on the, 643. 



Pkotograplis of geological interest in the 

 United Kingdom, Uletenth report on, 

 350. 



of anthropological interest, Report 



on, 568. 



Photography, the application of, to the 

 elucidation of meteorological pheno- 

 mena. Ninth report on, 56. 



of a moving object, some points in 



connection with the, W. E. Plummer 

 on, 677. 



*PhlegraBan Fields, the land-level of the, 

 the possibility of obtaining more re- 

 liable measurements of the changes of, 

 E. T. Giinther on, 814. 



Phylhrhoe, the anatomy of, JR. T. Giinther 

 on, 386. 



Physical and Mathematical Science, Ad- 

 dress by Dr. J. Larmor to the Section 

 of, 613. 



Pinnotheres, the development and natural 

 history of, A. B. Darhishire on, 399. 



Plankton and physical conditions of the 

 English Channel in 1899, Second report 

 on the, 379. 



♦Plant-form in relation to nutrition. 

 Prof. P. Groom on, 93(5. 



Plants, assimilation in, Report on an 

 experimental investigation of, 569. 



, the influence of smoke on, in the 



north of England, A. Wilson on, 930. 



Plateaux, ancient, in Anglesey and Car- 

 narvonshire, E. Greenly on, 737. 



Pleistocene Canadian flora and fauna, 

 Final report on, 328. 



Plummer (W. E. )o» seismological investi- 

 gation, 59. 



on some points in connection with 



the photography of a moving object, 

 677. 



Plymouth, Report on the occupation of a 

 table at the Marine Biological Labora- 

 tory, 399. 



PocKLiXGTON (H. C.) on the radiation 

 of a black body on the electro-magnetic 

 theory, 654. 



Point-groups, the pircsent state of the 

 theory of, Frances Harduastle on, 

 121. 



PoiEAULT (G.) and E. J. Butlee, Obser- 

 vations on PytMum by, 942. 



, Observations on Chytridineffi 



by, 942. 



PolyehcBto worms, the structure of certain, 

 E, S. Goodrich on, 384. 



*P0PE (W. J.) on recent development 



in stereochemistry, 701. 

 POULTON (Prof. E. B.) on observations 



by A. K. Marshall on mimicry in 



South African insects, 793. 

 on observations by E. Shelford on 



mimicry in Bornean insects, 795 

 Power generation, the comparative cost 



of, by the steam engine, water turbine 



and gas engine, J. B. C. Kershaw on, 



873. 

 POYNTING (Prof. J. H.) on seismological 



investigation, 59. 

 Peaegise (E. Lloyd) on tlie exploration 



of caves in Ireland, 340. 

 Peeecb (Sir W. H.) on practical electrical 



standards, 53. 



on the B.A. screw gauge, 436. 



on wireless telephony, 638. 



on the Manchester and Liverpool 



Express Eailway, 875. 

 Preservation of specimens, the methods of, 



used at the Naples Zoological Station, 



Prof. R. Ramsay Wright on, 388. 

 Presidential Address at Bradford by Sir 



William Turner, 3. 

 Peeston (the late Prof. T.) on radiation 



from a source of light in a magnetic 



field, 52. 

 Peiestman (Arthur) on municipal trad- 

 ing, 843. 

 Price (L. L.) on future dealings in 



raw produce, 421. 

 on some economic consequences of 



the South African War, 847. 

 (W. A.) 071 the B.A. screw gauge 



36. 

 and J. Marshall Gorham on ex- 

 periments on screw threads, 444. 

 Price- changes in the foreign trade of 



France, Prof. A. W. Flux on, 853. 

 Primes, the determination of successive 



high, Lieut.-Col. A. Cunningham and 



H. J. Woodall on, 646. 

 Pythium, a new species of, the biology 



and cytology of, Prof. A. H. Trow on, 



941. 

 . , Observations on, by G. Poirault and 



E. J. Butler, 941. 



Quantics, binary, the asyzygetic and 

 I perpetuant covariants of systems of, 

 [ Maj. P. A. MacMahon on, 646. 



— binary and other, the symbolism 

 appropriate to the study of orthogonal 

 and Boolian invariant sj'stems which 

 appertain to, Maj. P. A. MacMahon 

 on, 647. 



in 7f, variables, the characteristio 



symbolic determinant of n, a property 

 of the, Maj. P. A. MacMahon on, 644. 

 Quintic curve. A, cannot have more than 

 fifteen real points of inflexion, by 

 A. B. Basset, 647. 



3q3 



