340 
GENERAL INDEX. 
♦Quadric transformation. Prof. H. J. S. 
Smith on, 1878, 465 
* _ Prof. F. Purser on bitangents to 
the surface of centres of a, 1874, 19 
♦Quadrics and other surfaces, W. Spot- 
tiswoode on multiple contact of, 1874, 
19 
-ternary, Prof. R. W. Genese on 
syzegetic relations between the co¬ 
efficients of, 1882, 452 
Quadrumana, Dr. Collingwood on Geof- 
froy St. Hilaire’s distinction between 
catarrhine and platyrrhine, 1862, 106 
- Dr. Edwards Crisp's contributions 
to the anatomy of the, with a compa¬ 
rative estimate of the intelligence of 
the apes and monkeys, 1S64, 92 
Quamic, binary, W. Spottiswoode on the 
reduction of the decadic, to its canon¬ 
ical form, 1861, 11 
-binary, Prof. Cayley on the number 
of covariants of a, 1871, 9 
- binary, report on the calculation of 
tables of fundamental invariants of, 
1882,37 
Quantitative analysis, a method of. by 
Dr. G. H. Bailey and J. C. Cain, 1890, 
772 
Quartan curves, F. W. Newman on tri- 
diametral, 1S72, 22 ; on, with three 
or four diameters, 23 ; on monodia- 
metral, ib. 
Quartic surface with twelve nodes, a 
form of, Prof. Cayley on, 1S86, 540 
Quartics, bicircular, the geometrical 
treatment of, F. Purser on, 1S78, 
465 
- binodal, Prof. R. W. Genese on a 
class of, 1881, 538 
Quartz, Dr. Smith on certain difficulties 
in the way of separating gold from. 
1861, 92 
-implement from St. George’s Sound, 
H. Woodward on a, 1870, 158 
* -Prof. Croullebois on the action of, 
on ultra-violet rays, 1872, 36 
- a specimen of, from Australia, 
exhibiting curious optical properties, 
Dr. P. Frazer on, 1888, 655 
* -nodules, Dr. Robert Sim on certain, 
occurring in the Crystalline Schists 
near Killin. Perthshire, 1872, 122 
Quartzites, Alexander Bryson on artifi¬ 
cially produced, 1863, 67 
Q.uartzose conglomerate of the New Red 
Sandstone of the central portion of 
England, Edward Hull on the source 
of the, 1869, 91 
Quaternary deposits, Charles Moore on 
new discoveries connected with, 186S, 
/ 4 
-mammalia, W. Boyd Dawkins on 
the relation of the, to the Glacial 
Period, 1871, 95 
Quaternions, application of, Prof. J. D. 
Everett on a new, 1874, 11 
♦-application of, to the rotation of a 
solid, Prof. P. G. Tait on the, 1868, 11 
-the establishment of the elementary 
principles of, on an analytical basis, 
Dr. G. Plarr on, 1882, 451 
Quebec, the apatite deposits of the pro¬ 
vince of, G. C. Brown on, 1884, 716 
Queen Charlotte Islands, R. Brown on 
the physical geography of the, 1868, 
T 
1 JJ 
Queensland, R. Daintree on the general 
geology of, 1871, 95 
-the present and future of, C. Lum- 
holtz on, 1889, 667 
Quixcke (Prof. G.) on the magnetic pro¬ 
perties of gases, 18S7, 60 S 
♦Quinine, Wentworth L. Scott on the 
presence of, and other alkaloids in the 
animal economy, 1867, 104 
Quixx (E. P.) on a simple method of 
projecting upon the screen microscopic 
rock sections, both by ordinary and by 
polarised light, 18S7, 725 
Race affinities of the Madecasees, C. S. 
Wake on the, 1869, 151 
- elements of the Irish people, G. 
Henry Kinahan on the, 1S69, 136 
Races of men, classification of. Prof. W. 
Turner on the index of the pelvic 
brim as a basis of. 1S85, 1205 
-of men inhabiting the Jummoo and 
Kashmir territories, F. Drew on the 
distribution of the, 1874. 147 
- extinction of, R. Lee on the, 1863, 
140 
- mixed, Hyde Clarke on the want 
of statistics on the question of, 1869, 
181 
-non-Aryan and non-Semitic white, 
and their place in the history of civil¬ 
isation, J. S. Stuart-Glennie on the, 
1887, 89 S 
-anciennes de l’lrlande. H. Martin 
sur les, 1878, 5 S 5 
♦Racial photographs, a collection of, J. 
Park Harrison on, 1881, 693 
- photographs from the ancient 
Egyptian pictures and sculptures, re¬ 
port of the Committee for procuring, 
1887, 439 
Racines aeriferes, Prof. C. Martins sur 
les, ou vessies natatoires, la synonymie, 
etc., de quelques especes aquatiques du 
genre Jussi tea, 1867, 163 
♦Radcliffe (Dr.) on the mechanism of 
muscular contraction, 1872, 152 
Radcliffe Observatory, Oxford, the Rev. 
R. Main on the longitude of the, as 
deduced from meridional observations 
of the moon, 1S69, iS 
