72 
GENERAL INDEX 
Cayley [Prof. A.] on the progress of the 
chief branches of mathematics and 
physics, 1879, 37 
- on the calculation of tables of the fun¬ 
damental invariants of algebraic forms, 
1879, 66 ; 1880, 38 ; 1881, 55 ; 1882, 37 
-on a diagram connected with the 
transformation of elliptic functions, 
1881, 534 ; a partial differential equa- 
tim connected with the simplest case 
of Abel’s theorem, ib. 
f- on a proof of Wilson’s theorem, 
1882, 450 
- Presidential Address at Southport , 
1883, 3 
-on a form of quartic surface with 
twelve nodes, 1886, 540 
- on the possibility of calculating 
tables of certain mathematical func¬ 
tions, 1889, 28 
* -on curves in space, 1889, 499 
Cedrus Libani, John Hogg on the Wel- 
ling tonia gigantea, with remarks on its 
form and rate of growth as compared 
with the, 1868, 100 
Cefn Cave, D. Mackintosh on the origin 
of two polished and sharpened stones 
from, 1875, 75 
--the caves of, near St. Asaph, North 
Wales, the results of recent further 
excavations in, by Prof. T. McK. 
Hughes and Mrs. Williams Wynn, 1881, 
700 
Celebes, Alfred R. Wallace on the pro¬ 
gress of civilisation in northern, 1861, 
149 
Celestial photography, report on the pro¬ 
gress of, by Warren de la Rue, 1861, 94 
Cell contents, M. Ward on some, 1883, 
537 
-pathology, Dr. J. Hughes Bennett 
on the formation of pus, in reference to 
the doctrine of, 1865, 101 
* -question, discussion on the present 
aspect of the, 1887, 763 
-- theories, J. F. Dickson on, 1861, 
122 
- walls, the constitution of, and its 
relation to absorption in mosses, J. It. 
Yaizey on, 1887, 772 
Cells of living beings, Prof. L. S. Beale 
on the structure and growth of the, 
1861, 164 
Cellulose and coal, C. F. Cross and E. J. 
Bevan on, 1881, 603 
Celt, German, and Slavonian, the words, 
their misinterpretation, and its results, 
Dr. R. G. Latham on, 1883, 567 
Celt, an elaborately finished, found on the 
moors near Marsden, J. W. Davis on, 
1879, 395 
Celtic engravings, some late, on a slate 
tablet, found at Towyn, J. Park Harri¬ 
son on, 1881, 701 
Celtic earthworks in Hampshire, in refer¬ 
ence to the density of the Celtic popu¬ 
lation, T. W. Shore on, 1888, 852 
-ethnology, H. H. Howorth on some 
new facts in, 1866, ill 
• -languages, R. S. Charnock on, 1863, 
134 
-languages, John Crawfurd on the 
so-called, in reference to the question 
of race, 1863, 135 
Celts, Northumbrian, Rev. G. R. Hall on 
the social life of the, 1863, 137 
*Cement, G. F. Deacon on the form of 
blocks for testing, 1876, 220 
Census of the United Kingdom in 1861, 
J. T. Hammick on the general results 
of the, 1861, 220 
- of the United Kingdom, report of 
the committee on a uniformity of plan 
for the, 1871, 57 
-- reform, J. Valentine on, 1871, 223 
- of India, the first general, T. W. 
Saunders on, 1884, 804 
- reasons for a Quinquennial, by G. 
B. Longstaff, 1888, 769 
Centenarian longevity, Sir G. D. Gibb on, 
1871, 151 
Centenarians, living, Sir G. D. Gibb 
on the vocal organs in, 1873, 128 
^Central Asian railway, the, in relation 
to the commercial rivalry of England 
and Russia, Hon. G. Curzon on, 1889, 
663 
Central nucleus of a plane section, Prof. 
G. Jung on a new construction for the, 
1876, 25 
Centre-rail system, the application of the, 
to a railway in Brazil and to other 
mountain lines, J. B. Fell on, 1870, 
216 
-railway, W. C. Thomas on the, 1873, 
219 
Centres of finite twist and stretch, Prof. 
R. W. Genese on, 1888, 579 
^Centroids and their application to some 
mechanical problems, Prof. A. B. W. 
Kennedy on, 1876, 26 
Cephalaspidean fishes, E. Ray Lankester 
on some new, 1867, 63 
Cephalaspis, E. Ray Lankester on the 
British species of, 1865, 65 
Cephalodiscus, a new form allied to Prof. 
Allman’s Rhabdopleura, dredged in 
H. M.S. ‘ Challenger,’ preliminary note 
on, by Prof. McIntosh, 1882, 596 
* -S. F. Harmeron, 1887, 759 
Cephalopod shells, H. G. Seeley on the 
significance of the septa and siphuncles 
of, 1869, 100 
Cephalopoda, dibrancliiate, Albany Han¬ 
cock on certain points in the anatomy 
and physiology of the, 1861, 166 
-Robert Garner on a male octopodous . 
cuttlefish and some other, 1868, 96 
