INDEX II. 
Canada and the United States (1872- 
73), 172. 
*Andrews (Prof. T.) on experiments at 
high pressures, 22; on the composi- 
tion of an inflammable gas issuing 
from below the silt-bed in Belfast, 50; 
*on an aspirator, 51. 
Anemometer, an, designed by Mr. W. 
De La Rue, F.R.S., to furnish tele- 
graphic information of the occur- 
rence of strong winds, notice of, by 
R. H. Scott, 37. 
*Anteater, the Great, Prof. Macalister 
on the tongue of, 143, 
Anthropology, Address by Sir W. R. 
Wilde to the Department of, 116, 
of prehistoric Peru, T, J. Hutchin- 
son on the, 154, 
— , Rey. Dr. M‘Cann on the methods 
of a complete, 156. 
Apothecia occurring in some Scytone- 
matous and Sirosiphonaceous algal 
species, in addition to those previously 
known, notes on, by W. Archer, 131, 
* Approximate parallel motion, W. Hay- 
den on, 18, 
Archer (W.), notes on apothecia occur- 
ring in some Scytonematous and Siro- 
siphonaceous algal species, in addition 
to those previously known, 131; on 
Chlamydomyxa labyrinthuloides (n. g. 
et sp.), a new sarcodic freshwater or- 
anism, 136. 
Ashe (1.) on the cause of the progressive 
motion of cyclones, and of the sea- 
sonal variations in their paths, 34, 
*Aspirator, an, Dr. Andrews on, 51. 
¥ , Prof. Delffs on an, 57. 
Astronomy, Col. 8. Wortley on photo- 
graphy in connexion with, 20. 
Atmospheric ozone, T. Moffat on the 
apparent connexion between sun-spots 
and, 37. 
*Atya spinipes, Prof. Cunningham on, 
and on an undescribed Pontonia, 137. 
Aulopora arachnoidea, description of, by 
Dr. H, A. Nicholson, 90. 
Balfour (F. M.) on the development of 
the Elasmobranch fishes, 138, 
Banbridge, the meteorology at, for ten 
years, J. Smyth, jun., on, 39. 
*Barrett (Prof. W. F.) on the teaching 
of practical physics, 22 ; *on an appa- 
ratus for showing the interference of 
sound, 41, 
Basalt, W, CO. Roberts on the columnar 
form of, 91. 
Bases and acids present in a solution, 
Prof. G. Wiedemann on the propor- 
239 
tions in which they combine with 
each other, 32, 
Becker (Miss L, E.) on some practical 
difficulties in working the Elementary 
Education Act (1870), 192, 
Beddoe (Dr.) on modern ethnological 
migrations in the British Isles, 145, 
*Beedy (Miss) on reform in the work of 
the medical profession, 192. 
Belcher (R, B.) on disturbance of the 
weather by artificial influences, espe- 
cially battles, military manceuvres, 
great explosions, and conflagrations, 
Belfast, Dr. Andrews on the composition 
of an inflammable gas issuing from 
below the silt-bed in, 50. 
Bell (1. L.) on the joint action of car- 
bonic acid and cyanogen on oxide of 
iron and on metallic iron, 51. 
Bennett (A, W.) on the form of pollen- 
grains in relation to the fertilization 
of flowers, 133. 
Beynon (G. W.) on compensating appa- 
ratus for distant signal-wires of rail- 
ways, 220, 
Biddulph (Col.) on the Yarkund mission, 
181. 
Biological Section, Address by Prof. Red- 
fern to the, 96. 
*Biology, systematic, E, Ray Lankester 
on English nomenclature in, 137, 
"Eliade, Prof, F, Guthrie on the flight of, 
2, 
——, spring migratory, of the north of 
England, T. Lister on, 137. 
Blanford (H. F.) on certain protracted 
irregularities of atmospheric pressure 
in the Indian monsoon region, and 
their relation to variations of the local 
rainfall, 36. 
Botany and Zoology, Address by Dr. 
Hooker to the Department of, 102. 
*Botly (W.) on workmen’s dwellings, 
from a commercial standpoint, 192. 
Bottomley (W.) on the eclipsing-appa- 
ratus constructed for the lighthouse on 
the Holywood Bank, in Belfast Lough, 
220. 
*Braham (P.), further experiments on 
light with circularly ruled plates of 
glass, 25; *ona mode of producing 
spectra on a screen with the oxyhy- 
drogen flame, 56; and J. W. Gate- 
house on the dissociation of nitric 
acid by various means, 55. 
Brain, the morphology of, and the func- 
tion of hearing, preliminary notice 
= an inquiry into, by Prof, Cleland, 
