Tod 
Porn (Prof. W.J.) on the study of isomor- 
phous derivatives of benzene sulphonic 
acid, 272. 
*____ the nature of valency, 480. 
PoRTER (Dr. C.) on the effect of climate 
upon health and disease, 403. 
PouLToN (Prof. E. B.) on zoology organi- 
sation, 350. 
PoynTING (Prof. J. H.) on seismological 
investigations, 83. 
PRATT (A. H.), calcium: its properties 
and possibilities, 487. 
Pre-Devonian beds of the Mendips, 
report on the investigation of the, 
315. 
PREECE (Sir W.H.) on practical elec- 
trical standards, 73. i 
on magnetic observations at Falmouth 
Observatory, 93. 
+——. Pupin’s compensated cable for tele- 
phone transmission, 620. 
Prehistoric objects in British New Guinea, 
some new types of, by Dr. C. G. Selig- 
mann and T, A. Joyce, 640. 
Primula sinensis, the inheritance of 
certain characters in, R. P. Gregory 
on, 691. 
Prine (T. V,), MARGARET WHITE, and 
J. E. PETAVEL on the meteorological 
observations made at Glossop Moor 
kite station during 1906-07, 467. 
*Protozoa, models of, by F. R. Rowley, 
553. 
Pseudo-high vacua, by F. Soddy and 
T. D. Mackenzie, 440. 
Pteridophytes, the embryology of, by 
Prof. F. O. Bower, 686. 
PULLEN-BURRY (Miss B.) on the condi- 
tions of the Maoris in 1907, 642. 
*PUNNETT (R. C.), the experimental 
study of heredity, 555. 
{;Pupin’s compensated cable for tele- 
phone transmission, by Sir W. H. 
Preece, 620. 
*Pycnogonida (sea-spiders), 
Hodgson, 542. 
by T.. Vi 
Racial types in Connaught, by Prof. R. J. 
Anderson, 654. 
*Radio-activity, helium and, in common 
ores and minerals, by Hon. R. J. Strutt, 
439. 
Radio-telegraphy, the arc and the spark 
in, by W. Duddell, 728. 
Radium, the effect of high temperature 
on the activity of the products of, by 
Prof. E. Rutherford and J. E. Petavel, 
456. 
—— the production and origin of, by 
Prof. E. Rutherford, 456. 
*Radium emanation, on variability in 
the products resulting from changes 
in, by Sir W. Ramsay, 440, 
INDEX. 
- 
Radium emanation, the active deposit 
from, the transmission of, to the anode, 
by Sidney Russ, 451. 
Radium in the rocks of the Simplon 
tunnel, the distribution of, by Prof. J. 
Joly, 510. 
Rainfall, the quantity and composition of, 
and of lake and river discharge, interim 
report on, 353. 
*RAMSAY (Sir Wm.) on variability in the 
products resulting from changes in 
radium emanation, 440. 
RANDALL-MACIVER (D.) on anthropo- 
metric investigation in the British Isles, 
354. 
RANKINE (A. 0.) on a theoretical method 
of attempting to detect relative mo- 
tion between the ether and the earth, 
454. 
RAw (F.), the trilobite fauna of the 
Shineton shales, 511. 
—— the development of Olenus Salteri, 
Call., 513. 
RAYLEIGH (Lord) on practical electrical 
standards, 73. 
REA (Carleton), a@ plea that local 
societies should give greater attention 
to the investigation of the fungi of their 
districts, 40. 
READ (C. H.) on the work of the Corre- 
sponding Societies Committee, 29. 
—— on the age of stone cireles, 368. 
—— on the exploration of the ‘ved hills’ 
of the East Coast salt marshes, 373. 
— on the collection of photographs of 
anthropological interest, 374. 
—— on the lake village at Glastonbury, 
392. 
Real variable, the theory of functions of 
a, some new results in, by Dr. W. H. 
Young, 445. 
‘Red hills’ of the Hast Coast salt 
marshes, report on the exploration of 
the, 373. 
REID (Clement) on seismological inves- 
tigations, 82. 
—— on the fossiliferous drift deposits at 
Kirmington, Lincolnshire, §¢., 325. 
on peat moss deposits in the Cross 
Fell and other districts, 410. 
Reinforced concrete, some new uses for, 
by W. N. Twelvetrees, 624. 
*Religion and custom in the South Seas, 
by O. Bainbridge, 647. 
RENNIE (J.) on practical electrical 
standards, 73. 
Resistance coils and comparisons, by 
C. V. Drysdale, 624. 
REYNOLDS, Prof. (8. H.) on the pre- 
Devonian beds of the Mendips, 315. 
RICHARDSON (L. F.) on a freehand 
potential method, 457. 
RICHARDSON (Nelson) on seismological 
investigations, 83. 
