1000 
tion, preservation, and systematic 
registration of, 429. 
Photographs of the invisible, in solar 
spectroscopy, by Dr. C. P. Smyth, 750. 
Photometer, a new direct-reading, measur- 
ing from unity to infinity, by F. H. 
Varley, 759. 
Phrenology, old and modern, by B. Hol- 
lander, 980. 
*Phylloglossum, notes on, by Prof. F, O. 
Bower, 867. 
Phyllopoda, the fossil, of the paleeozoic 
rocks, eighth report on, 424. 
*Phylogeny of ferns, the question of the, 
Prof. F. O. Bower on, 867. 
Physical and Mathematical Section, 
Address by Dr. J. W. L. Glaisher to 
the, 719. 
Physical development, by Dr. Hambleton, 
974. 
Physical studies of an ancient estuary, 
by Rey. A. Irving, 818. 
Pickering (Prof. 8. U.) on the biblio- 
graphy of solution, 310; the present 
position of the hydrate theory of solu- 
tion, 311, 337. 
Pilcher (W.), Honduras (Spanish), 897. 
Pinus Thunbergii, on androgynous cones 
in, and some remarks on their mor- 
phology, by F. E. Weiss, 854. 
Pitt-Rivers (Gen.) on the work of the 
Corresponding Societies Committee, 
55; on editing a new edition of ‘An- 
thropological Notes and Queries,’ 547 ; 
on the anthropological measurements 
taken at Newcastle, 1889, 549; *exca- 
vation of the Wansdyke at Woodyates, 
983. 
Plant (J.) on the erratic blocks of Eng- 
land, Wales, and Ireland, 340; on the 
circulation of underground waters, 352. 
Plants, native, the disappearance of, from 
their local habitats, third report on, 
465. 
Platinum thermometer, a comparison of 
a, with some mercury thermometers at 
low temperatures, by E. H. Griffiths, 
130. 
Playfair (Lt.-Col. Sir R. L.), Address to 
the Geographical Section by, 874. 
Pleuracanthus and Xenacanthus, the 
palzeozoic elasmobranch genera, restora- 
tion of the, by Dr. A. Fritsch, 822. 
*Pneumatic distribution of power, Prof. 
A. Lupton on the, 954, 
Policy, the, of exercising a discrimination 
between the deserving and undeserving 
in the giving of public poor relief, by 
J. King, 921. 
*Political partition of Africa, the, by A. 
S. White, 892. 
Polyzoa, the regeneration of lost parts in, 
S. F. Harmer on, 862. 
_—— the cretaceous, report on, 378. 
INDEX. 
Power of certain bacteria to form organic 
compounds from inorganic matter, R. 
Warington on the, 866. 
Powers of circles and spheres, some geo- 
metrical theorems relating to the, Prof. 
W. W. Johnson on, 743. 
Poynting (Prof.) on electrolysis in its 
physical and chemical bearings, 138. 
Pre-Cambrian rocks occurring as frag- 
ments in the Cambrian conglomerates 
in Britain, Dr. H. Hicks on, 803. 
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, 
498. 
Preece (W. H.) on standards for use in 
electrical measurements, 95; on the 
character of steel used for permanent 
magnets, 752; on the form of sub- 
marine cables for long-distance tele- 
phony, 959. 
Prehistoric civilisation, indications of 
retrogression in, in the Thames valley, 
by H. Stopes, 979. 
Prehistoric inhabitants of the British 
Islands, the localities in which evi- 
dences are found of the existence of, 
fourth report of the Committee for 
ascertaining and recording, 548. 
Prehistoric otter and beaver traps, Dr. 
R. Munro on, 978. ; 
Prestwich (Prof.) on the erratic blocks of 
England, Wales, and Ireland, 340; on 
the circulation of underground waters, 
352. 
Price (L. L.) on some typical economic 
fallacies made by social reformers, 
928. 
Ptolemaic geography and Ptolemaic 
maps, some points in connection with, 
by Dr. Schlichter, 897. 
Pulsations of a rotating bell, G. H. 
Bryan on the, 743. 
Quantitative analysis, a method of, by 
Dr. G. H. Bailey and J. C. Cain, 772. 
Radiometric record of sun-heat from 
different parts of the solar disc, W. HE. 
Wilson on a, 760. 
Railway throngh Southern Persia, a, by 
Maj.-Gen. Sir F. J. Goldsmid, 888. 
Raiyan Canal, the, by Cope Whitehouse, 
955. 
Ramsay (Prof. W.) on electrolysis in its 
physical and chemical bearings, 138 ; 
on the action of light on the hydracids 
of the halogens in presence of oxygen, 
263; on the properties of solutions, 
