INDEX. 
753 
OLIVER (Prof. F. W.) on the registration | Perry (Prof. J.) on the work of the Cor- 
of botanical photographs, 417. 
—— on the structure and affinities of | 
Physostoma elegans (Williamson), 690. 
OmoND (R. T.) on meteorological observa- 
tions on Ben Nevis, 100. 
*Operational invariants, by Major P. A. 
MacMahon, 449. 
Ophiothria fragilis, some points in the 
development of, Prof. E. W. MacBride 
on, 542. 
Optical pyrometry, by Dr. L. Holborn, 
440, 
, by Prof. C. Féry, 442. 
ORTON (Prof. K. J.P.) on the transfor- 
mation of aromatic nitroamines and 
allied substances, and its relation to | 
substitution in benzene derivatives, 
101. 
—— on the crystalline rocks of Anglesey, 
317. 
Oscillations of the level of the land in the 
Mediterranean basin, interim report on 
the, 350. 
Oxides of carbon, by Dr. Boudouard, 485. 
Pagan Saxons in Kast Yorkshire, the 
cephalic indices and the computed | 
stature of the, by J. R. Mortimer, 
657. 
PAGE (T.E.) on the curricula of secondary 
schools, 422. 
Paleontology of the North Derbyshire 
and Notts coalfield, or the southern 
part of the North Midland coalfield, 
the, by A. R. Horwood, 514. | 
PALGRAVE (R. H. Inglis) on the amount 
of gold coinage in circulation in the 
Onited Kingdom, 353. 
PEACH (Dr. B.N.) on life-zones in the 
British carboniferous rocks, 316. 
PEARSON (Prof. H. H. W.), a botanical 
excursion in the welwitschia desert, 
685. 
Peat moss deposits in the Cross Fell, 
Caithness, and Isle of Man districts, 
report on the, 410. 
Pellian terms (Tp, vp, &c.), factorisation 
of the, by Lieut.-Co]. A, Cunningham, | 
462. | 
PENCK (Prof. A.) on the quantity and | 
composition of rainfall and of lake and 
river discharge, 353. 
Pendulation theory, the, in relation to | 
geographical distribution, by Prof. H: 
Simroth, 544. 
*Perfusion experiments, discussion on the 
value of, 673. 
Periodicity, the determination of, from a 
broken series of maxima, Prof. H. H. | 
Turner on, 466, 
PERKIN (Prof. W. H.) on the study of 
hydro-aromatic substances, 104. 
1907, 
responding Societies Committee, 29. 
—— on practical electrical standards, 73. 
on seismological investigations, 83. 
on the teaching of elementary me- 
chanics, 97. 
on the curricula of secondary schools, 
422, 
PETAVEL (J. E.) and W. A. HARWOOD 
on the recent balloon ascents, 468. 
—— and Prof, E. RUTHERFORD, the effect 
of high temperature on the activity of 
the products of radium, 456. 
, MARGARET WHITE, and T. V. PRING 
on the meteorological observations made 
at Glossop Moor kite station during 
1906-07, 467. 
PETRIE (Prof. W. M. Flinders) on the col- 
lection of photographs of anthropological 
interest, 374. 
| +—— Egyptian soul-houses and other 
discoveries, 1907, 644. 
+Petrol and gas engines, the present con- 
dition of, by Dugald Clerk, 620. 
Photographic survey of ancient remains 
in the British Islands, Rev. Kh. A. 
Bullen on the advisability of appoint- 
ing a committee for the, 37. 
Phylogenetic connections of the recent 
addition to the thread bacteria (Spivo- 
phyllum ferrugineum [Ellis}), the, by 
David Ellis, 693. 
Physical and Mathematical Section, 
Address by Prof. A. E. H. Love to 
the, 427. 
Physical development in schools, types 
of, by Cecil Hawkins, 705. 
*Physics of the earth, results of recent 
researches on the, by Dr. J. T. T. See, 
468. 
Physiological Section, Address by Dr. 
A. D. Waller to the, 658. 
Physiology of heredity, experimental 
studies in the, report on, 410. 
Phystostoma elegans (Williamson), the 
structure and affinities of, Prof. F. W. 
Oliver on, 690. 
PICKLES (A. R.), the scholarship system, 
71. 
Pisolitic iron ores of Wales, W. G. Fearn- 
sides on the, 510. 
Plankton fishing off the Isle of Man, by 
Prof. W. A. Herdman, 550. 
PLATNAUER (H. M.) on the fossiliferous 
drift deposits at Kirmington, Lincoln- 
shire, Se, 325. 
Play of forces in the normally dividing 
cell, by Prof. M. Hartog, 668. 
PLUMMER (W. HE.) on seismological in- 
vestigations, 83. 
*Poliination of flowers, the, by Prof. F. E. 
Weiss, 687. 
Polypterus, the systematic position of, 
E. 8. Goodrich on, 545, 
3¢ 
