880 
Potassium, the distribution of, in animal 
and vegetable cells, Prof. A. B. Mac- 
allum on, 757. 
tPouLtTon (Prof. E. B.), the mimetic 
resemblance of diptera for hymeno- 
ptera, 607. 
records of paleolithic man from a 
new locality in the Isle of Wight, 715. 
PoyNnTING (Prof. J. H.) on seismological 
investigations, 41. 
on the tangential stress due to light 
incident obliquely on an absorbing 
surface, 434. 
PRAEGER (R. Lloyd) on the exploration 
of the Edenvale Caves, co. Clare, 288. 
Praisos and Heleia (Palaikastro) in 
Eastern Crete, excavations at, by R. C. 
Bosanquet, 721. 
Precipitin test, the, in the study of 
animal relationships, by Dr. G. H. F. 
Nuttall, 607. 
PREECE (Sir W. H.) on magnetic observa- 
tions at Falmouth, 29. 
on practical electrical standards, 30. 
Prehistoric archzology in Greece, Dr. P. 
Kabbadias on, 718. 
Prehistoric science in Denmark, the latest 
discoveries in, by Prof. V. Schmidt, 
723. 
*Pressure, temperature, and air circula- 
tion in the South Atlantic Ocean, the 
relation between, by Commander C. 
Hepworth, 461. 
PRICE (L. L.), economic theory and fiscal 
policy, 654. 
Protamines, Prof. A. Kossel and H. D. 
Dakin on, 755. 
Proteases of plants, Prof. 8. H. Vines on 
the, 814. 
Protection, the effect of, on some German 
industries, by Prof. W. Lotz, 651. 
Protective duties, the influence of, on 
the industry and food supply of France, 
by Yves Guyot, 648. 
Proteids, the state of solution, of, second 
report on, 341. 
*Pseudomorphosis in organic persul- 
phates, by Prof. R. Wolffenstein, 
525. 
Psilotum triquetrum, the anatomy of, by 
Miss 8S. O. Ford, 780. 
Psychology and logic, the present educa- 
tional position of, by Miss E. EH. C. 
Jones, 840. 
Ptolemy’s map of Asia Minor: method 
of construction, by Rev. H. 8. Cronin, 
627. 
Publications of scientific societies, on the 
conformity of, with certain bibliogra- 
graphical requirements, by John Hop- 
kinson, 394. 
*Puccinia glumarum, the normal his- 
tology of the uredo of, T. B. P. Evans 
on, 822. 
REPORT—1904. 
*Puccinia Malvacearum, the life-history 
of, V. H. Blackman and Miss H. C. I. 
Fraser on, 813. 
*PUNNETT (R. C.), experiments on 
heredity in fowls, 593. 
{Quantitative determination of the ano- 
malous dispersion of sodium vapour, 
by Prof. R. W. Wood, 438. 
Rabbits, experiments on heredity in, by 
C. C. Hurst, 592. 
RABOT (C.), glacier-bursts, 632. 
Racial human types, graphical repre- 
sentation of the various, by W. L. H. 
Duckworth, 718. 
Radiation, the reaction of the, on a 
moving electron, by Prof. M. Abraham, 
436. 
Radiation from the earth, an instrument 
for the measurement of the, by Prof. 
K. Angstrém, 462. 
Radio-active surfaces, the production of, 
by C. E. 8. Phillips, 473. 
*Radio-activity of ordinary matter, dis- 
cussion on the, 471. 
Radio-activity of the hot springs of Aix- 
les-Bains, Dr. G. A. Blanc on the, 471. 
Radium compounds, the bearing of the 
colour phenomena presented by, W. 
Ackroyd on, 524. 
Radium emanation, a volatile product of 
the, by W. C. D. Whetham, 474. 
Radium radiations, the influence of, on 
atmospheric oxidation in presence of 
iron, H. J. H. Fenton on, 512. 
Rainfall, the relation of the short-period 
barometric see-saw to, by Dr. W. J. 8. 
Lockyer, 459. 
Rainfall, the unsymmetrical distribution 
of, about the path of a barometric 
depression, Dr. H. R. Mill on, 480. 
Rainfall of England, 1861-1900, by J. 
Hopkinson, 485. 
Rainfall of the Midland and Eastern 
counties of England, the, by J. Hop- 
kinson, 483 
*RAMSAY (Sir Wm.), changes produced 
by the B-rays, 517. 
RASTALL (R. H.), basic patches in the 
granite of Mount Sorrel, Leicester- 
shire, 562. 
—— on boulders from the Cambridge 
district, 571. 
RAYLEIGH (Lord) on practical electrical 
standards, 30. 
RAYNOR (Rev. G. H.) and L. DONCASTER 
on experiments on heredity and sex- 
determination in Abraxas grossulariata, 
594. 
