214 
GENERAL INDEX. 
tHuxLEY (Prof. T. H.) on some organisms 
which live at the bottom of the North 
Atlantic, in depths of 6,000 to 15,000 
feet, 1868, 102 
- on the provision existing in the 
United Kingdom for the vigorous prose- 
cution of physical research , 1869, 213 
—— Presidential Address at Liverpool , 
1870, lxxiii 
*-on the relations of Penicillium, To- 
rula , and Bacterium , 1870, 119 
- on the foundation of zoological sta¬ 
tions, 1872, 47 ; 1873, 408 
- on science lectures and organisation, 
1873, 495 , 507 
-- on the structure and classification of 
the Lahyrinthodonts, 1874, 149 
--on the development of the columella 
auris in the Amphibia, 1874, 141 
-- on the zoological station at Naples . 
1875, 18 ; 1877, 228 
- on the occupation of a table at the 
zoological station at Naples , 1878, 149 ; 
1879,165; 1880, 161 ; 1881,178; 1882, 
288 ; 1883, 234 
-Address to the Department of An¬ 
thropology, 1878, 573 
-- on the Scottish zoological station , 
1881, 177 ; 1882, 282 ; 1883, 233 
- on promoting the establishment of 
marine biological stations on the coast 
of the United Kingdom, 1885, 480 
- on the desirability of further re¬ 
search in the Antarctic regions, 1888, 
316 
-Rev. T. Hincks on the ovicells of the 
Polyzoa, with reference to the views of, 
1861, 145 
-the two objections of, relative to 
certain experiments, statement in reply 
to, by Dr. H. C. Bastian, 1870, 129 
Huygens’s problem on the impact of 
elastic balls, elementary solution of, 
by Prof. P. Mansion, 1875, 18 
Huyton, the fossils from the railway sec¬ 
tion at, W. Carruthers on, 1870, 71 
-- and St. Helen’s, section of strata be¬ 
tween, C. Ricketts on, 1870, 85 
Hymna-den, W. Bo}'d Dawkins on the 
Wokey Hole, 1862, 71 
-the Rev. W. S. Symonds on the con¬ 
tents of a, on the Great Doward, Whit¬ 
church, Ross, 1871, 109 
*Hyalonema and some other vitreous 
sponges, Prof. Wyville Thomson on, 
1870, 128 
*Hybodus Delabechei , E. C. H. Day on a 
head of, 1865, 51 
Hybrids or crosses, John Crawfurd on the 
supposed infecundity of human, 1864, 
142 
- and their parents, Dr. J. M. 
Macfarlane on, 1890, 867 
Hydracids of halogens, the action of light 
on the, in the presence of oxygen, Dr. 
A. Richardson on, 1887, 638 
Hydracids , the action of light on the, in 
presence of oxygen, report on, 1888, 89 ; 
1889, 59 ; 1890, 263 
Hydrate theory of solution , the present 
position of the, S. U. Pickering on, 
1890, 311 
Hydrated salts , Dr. E. Wiedemann on the 
resistance of, 1887, 346 
^Hydrates, a new class of, Prof. F. 
Guthrie on, 1874, 22 
Hydration of salts and oxides, C. F. 
Cross on the, 1881, 602 
Hydraulic apparatus for railway 
signalling, by C. E. Carr, 1889, 737 
- bucketting-engine for the Hercu¬ 
laneum graving dock, Liverpool, P. 
Westmacott on the, 1870, 229 
-buffer, Col. H. Clerk on the, 1869, 209 
- internal scraping of the Torquay 
water-main, R. E. Froude on the, 
1869, 210 
-power, the supply of, E. B. 
Ellington on, 1883, 646 
-press, Edward T. Bellhouse on the 
applications of the, 1861, 255 
-- steam lifeboat, J. F. Green on a, 
1890, 947 
Hydric sulphate, S. Williams on the 
action of phosphoric chloride on, 1869, 
82 
*Hydriodic acid, R. D. Silva on the 
action of, on mixed ethers of the 
general formula G n H „, l+1 + O.CH 3 ,1876, 
68 
^Hydrocarbon, an apparently new, dis¬ 
tilled from Japanese petroleum, bj r 
Dr. Divers and T. Nakamura, 1885, 975 
-oils, the separation of, from fat oils, 
A. H. Allen on, 1881, 589 
*Hydrocarbons, applications of the. 
derived from artificial and natural 
sources, Dr. B. H. Paul on recent, 1863, 
191 
-the decomposing action that chloride 
of aluminium exerts on, Profs. C. 
Friedel and J. M. Crafts on, 1883, 468 
* -destructive distillation of, R. Smith 
on the gaseous products of the, 1867, 43 
->■- of the formula (C 5 H s ) n , Prof. W. A. 
Tilden on, 1882, 494 
- synthesis of some, W. Odling on 
the, 1862, 48 
* -from turpentine, two new, A. C. 
Letts on, 1876, 65 
-in the solar atmosphere, Capt. Abney 
on, 1881, 524 
* -typical, from marsh-gas to anthra¬ 
cene, with the oxidation of the latter 
into anthroquinone and alizarine, Dr. 
MacVicar on the, 1870, 61 
-wave-lengths of the spectra of the, 
Prof. W. Swan on the, 1871, 43 
