994 
Harker (J. A.) and Prof. H. B. Dixon 
on the rate of explosion of hydrogen 
and chlorine in the dry and moist 
states, 776. 
—— and P. J. Hartog on an apparatus 
for the determination of freezing-points 
of solutions, 779. 
Harmer (8S. F.) on the occupation of a 
table at the laboratory of the Marine 
Biological Association at Plymouth, 
444; on the regeneration of lost parts 
in polyzoa, 862. 
Harries (Dr. A.) and H. N. Lawrence, 
alternating versus continuous currents 
in relation to the human body, 957. 
Hart (T.) on volcanic eruptions, 825. 
Hartley (Prof. W. N.) on electrolysis in 
its physical and chemical bearings, 
138; onthe preparation of a new series 
of wave-length tables of the spectra of 
the elements and compounds, 224; on 
the action of light on the hydracids of 
the halogens in presence of oxygen, 
263; on the absorption spectra of pure 
compounds, 339. 
*Hartnell (W.) on electric lighting and 
fire insurance rules, 958. 
Hartog (Prof. M. M.) on the steps taken 
for establishing a botanical station at 
Peradeniya, Ceylon, 470; the cytology 
of the chytridian Woronina, 872; on 
the acclimatisation of the tussock grass 
of the Falkland Islands, 7b. 
Hartog (P. J.) and J. A. Harker on an 
apparatus for the determination of 
freezing-points of solutions, 779. 
Harvie-Brown (J.) on making a digest 
of the observations on the migration 
of birds, 464. 
Hatch (Dr. F. H.) on some West-York- 
shire mica-trap dykes, 813. 
—— and J. C. Antrobus on the composi- 
tion and origin of Cheshire boulders, 
813. 
*Haycraft (J. B.) on the structure of 
muscular fibre as demonstrated by 
‘castings’ taken in collodium, 860. 
Herdman (Prof. W. A.) on improving 
and experimenting with a deep-sea 
tow-net for opening and closing under 
water, 471. 
*Hereditism, the doctrine of, Rev. F. O. 
Morris on, 969. 
Hessian fly, Cecidomyia destructor (Say), 
the life-history of the, by F, Enock, 
864. 
*Hewetson (H. B.), some of the probable 
causes of variation in the eggs of 
birds, 860. 
Heywood (J.) on the teaching of science 
in elementary schools, 489. 
Hick (T.) on a case of apogamy in Vau- 
cheria hamata (Vauch.), Lyngb., 872. 
Hicks (Dr. H.) on an ancient sea-beach 
INDEX. 
near Bridlington Quay, 375 ; on the pre- 
historic inhabitants of the British 
Islands, 548; on pre-Cambrian rocks 
occurring as fragments in the Cambrian 
conglomerates in Britain, 803; the 
effects produced by earth movements 
on pre-Cambrian and Lower Palzeozoic 
rocks in some sections in Wales and 
Shropshire, 804. 
Hickson (Dr. 8. J.) on the meaning of 
the ampulle in Millepora murrayt 
(Quelch), 863; on the male gonangia 
of Distichopora and Allopora, 864. 
*Hierro and Graciosa, two outlying mem- 
bers of the Canary Islands, notes on 
the natural history of, by Rev. Canon 
Tristram, 855. 
Higgins (F.), column-printing telegraph, 
959. 
Higgs (G.), recent photographs of the 
less refrangible portions of solar spec- 
trum under different atmospheric con- 
ditions, 760. 
High vacua, notes on, by J. Swinburne, 
727. 
Hillhouse (Prof.) on the disappearance 
of native plants from their local habi- 
tats, 465. 
Holgate (B.), the carboniferous strata of 
Leeds and its immediate suburbs, 795; 
some physical properties of the coals 
of the Leeds district, 796. 
Hollander (B.), old and modern phreno- 
logy, 980. 
Honduras (Spanish), by W. Pilcher, 897. 
Hooper (W.), some recent changes in the 
conditions governing the London 
money market, 923. 
Hopkinson (Dr. J.) on standards for use 
in electrical measurements, 95; on 
electrolysis in its physical and chemi- 
cal bearings, 138. 
Hopkinson (J.) on the work of the 
Corresponding Societies Committee, 55 ; 
the climate of Scarborough compared 
with that of some other sea-side health 
resorts, 748; the inland compared with 
the maritime climate of England and 
Wales, ib. ; a comparison of the climate 
of Halifax, Wakefield, Bradford, Leeds, 
and Hull, 749; on meteorological photo- 
graphy, 751. 
*Horne (W.), a suggestion as to the 
boring of stone hammers, 980. 
Hoyle (W. E.) on improving and experi- 
menting with a deep-sea tow-net for 
opening and closing under water, 471. 
Hughes (Prof. T. McK.) on the erratic 
blocks of England, Wales, and Ireland, 
340. 
Hull (Dr. E.) on the circulation of under- 
ground waters, 352. 
Human footprints in recent voleanic mud 
in Nicaragua, by Dr. J. Crawford, 812, 
a 
