INDEX, 
891 
Parerson (Miss B. M.) and Prof. J. C. | *Phototropy and thermotropy, by Prof. 
Irvine, the constitution of mannitol 
triacetone, 441. 
Parerson (Miss H. Leslie), pigmy flints 
in the Dee Valley, 605. 
Parrren (Dr. C. J.) on bird-migration as 
observed at the Tuskar light-station, 
508. 
Pracu (Dr. B. N.), Address to the Geo- 
logical Section, 448. 
and Dr. J. Horn, the archean 
rocks of Lewis, 471. 
Pearling industry, the, and_ biological 
science, by Dr. H. L. Jameson, 487. 
Prox (J. W.), vocational training in 
Edinburgh, 698. 
*Prppre (Prof. W.). the law of equivolu- 
minal oscillations in metals, 401. 
an apparatus for the solution of 
equations of the nth degree, 405. 
HET (‘T. Eric), are we justified in speak- 
ing of a megalithic race ? 609. 
Pellian terms, arithmetical factors of the, 
by Lt.-Col. A. Cunningham, 412. 
*Pentaerythritol tetranitrate, by Prof. 
C. R. Marshall, 447. 
Periodogram, the, and the method of 
correlation, by J. I. Craig, 416. 
Periodograms, some notes on, by Prof. 
H. H. Turner, 416. 
PeRKIN (Prof. W. H.) on the study of 
hydro-aromatic substances, 124. 
Permeability of cells, the, and a new 
method of vital staining, Prof. Leon 
Asher on, 655. 
Perry (Prof. J.) on seismological investi- 
gations, 69. 
on practical electrical standards, 109. 
on the work of the Corresponding 
Societies Committee, 761. 
Prravet (Prof. J. E.) on the investigation 
of the wpper atmosphere, 105. 
on gaseous explosions, 192. 
t—— and Dr. C. N. Lauper, experi- 
ok 
Pp 
mental investigation of the transmission 
of heat, 567. 
Purrin (Prof. W. M. Flinders), an early | 
dynastic cemetery in Egypt, 616. 
Pettycur limestone, the fossil flora of 
the, in relation to botanical evolution, 
by Dr. W. T. Gordon, 470. 
*Phagocytosis, demonstration of a 
method for measuring, by Prof. H. J. 
Hamburger, 655. 
Phenylmethylearbinol, interconversion 
of the enantiomorphous forms of, by 
Dr. A. McKenzie and G. W. Clough, 
446, 
Phosphorous vapour, the dissociation of, 
Prof. A. Stock and Dr. G. E. Gibson 
on, 445. 
Photo-electric properties of thin metallic 
films, the, by J. Robinson, 400. 
| Physical 
| Physical 
| 
A. Senier, 447. 
Phyllochetopterus, the habits of, by 
F. A. Potts, 513. 
and Mathematical Section, 
Address by Prof. H. L. Callendar to 
the, 387. 
characters of the ancient 
Egyptians, interim report on the, 268. 
Physiological Section, Address 
Leonard Hill to the, 624. 
Pierce (G. W.) and Prof. A. E. Krn- 
NELLY, the impedance of telephone 
receivers as affected by the motion of 
their diaphragms, 565. 
Pigmy flints in the Dee Valley, by Miss 
H. Leslie Paterson, 605. 
*PrKE (Prof. F. H.), the general condition 
of the spinal vaso-motor paths in 
spinal shock, 659. 
PINKERTON (Dr. P.), the present position 
of mathematical teaching, 706. 
Planck’s quantum of action, on an 
hypothesis as to the nature of, by 
Dr. G. E. Gibson, 408. 
Plankton of Lough Neagh, Ireland, the, 
by Dr. W. J. Dakin and M. Latarche, 
491. — 
*Plant breeding at St. Andrews, by Dr. 
J. H. Wilson, 683. 
Plant enzymes, the study of, particularly 
with relation to oxidation, report on, 115. 
PLuMMER (W. E.) on seismological in- 
vestigations, 69. 
Plymouth marine laboratory, report on the 
occupation of a table at the, 190. 
Podocarpee, the root-nodules of the, 
by Prof. W. B. Bottomley, 679. 
*Pomataceros, on the development of 
the mesoderm and head kidneys of, 
by Dr. C. Shearer, 515. 
Porter (Dr.) on the effect of climate wpon 
health and disease, 290. 
Porter (Dr. Annie) and Dr. H. B. Fant- 
HAM, the Isle of Wight disease of bees 
(Microsporidiosis), 515. 
Portland stone, experiments on the 
weathering of, by Dr. J. 8. Owens, 572. 
Positive quadratic forms, a mode of com- 
position of, by Prof. E. H. Moore, 
413. 
—— the formation of stolons in trypano- 
syllis, 513. 
Post-glacial changes of level versus recent 
stability of the lake region of America, 
by Dr. J. W. Spencer, 476. 
Porrs (F. A.), the habits of phyllo- 
chetopterus, 513. 
the formation of stolons in try- 
panosyllis, 513. 
Poutton (Prof. E. B.) on zoology organisa- 
tion, 190. 
—— on acquiring and arranging collections 
by 
