6 Index to the Proceedings 
Fume-Chambers with Effective Ven- 
tilation, Construction of (HARTLEY), 
IBROGs Kay BSI, 
Galactosides, Synthesis of (RYAN and 
Minus). Proc. 1x., 506: 
Gallium, Determination of the Wave- 
lengths of the principal Lines in 
the Spectrum of (HartiEy and 
RamaAGe). Trans. vit, 1. 
Gas Supply in Dublin, Recent Analyses 
of the (REYNOLDS). Proc. rx., 304. 
Gases transmitted through Water ; 
Unrecognized Factors in the Process 
(ApENEY). Trans. vut., 161. 
Geissler Tubes, Theory of the stra- 
tified discharge in (Gru). Proc. 
1Ok.5 GH. 
Geodetical Instruments, some New 
Forms of (GRuBB). ‘Trans. vi., 
385. 
Geological Age of the Harth, An 
Kstimate of the (Jony). ‘rans. 
VIt., 23. 
Gill (Rev. H. V.) On a possible Con- 
nexion between the Eruption of 
Vesuvius and the Earthquake at 
San Francisco in April, 1906. Proc. 
hy MO 
—— On the Theory of the Stratified 
Discharge in Geissler Tubes. Proc. 
tx., 415. 
Glacial Drainage round Montpelier 
Hill, County Dublin, some Results 
of (WRIGHT). Proce. 1x., 575. 
Glucinum, Extraction of, from Beryl 
(Pottoxk). Trans. vuz., 139. 
Glucosides, Synthesis of (Ryan). 
Proc. Ix., 508. 
Gold in County Wicklow, and an 
Examination of Irish Rocks for 
Gold and Silver (LyBurRN). Proc. 
Tx., 422. 
Gordon (T. E.) and Drxon (A. F.) 
Curious Water-worn Markings on 
Rocks at Dooghbeg, Co. Mayo. 
IER, S05 Se), 
—— Deposits of Unbroken Marine 
Shells at High Levels in the Car- 
raun Peninsula, Co. Mayo. Proc. 
Mi, BD. 
Grubb (Sir Howard). A Circum- 
ferentor. Proc. x., 1438. 
—— Floating Refracting Telescopes. 
iRrochexelioar 
—— A modified Form of Electrical 
Control for Driving Clocks. Proc. 
XI., 34. 
—— A new Collimating Telescope 
Gun-Sight for Large and Small 
Ordnance. ‘Trans. vi., 321. 
and Transactions of the 
Grubb (Sir Howard). A new Form 
of Dipleidoscope. Proc. x., 141. 
—— A new Form of Position-Finder 
for Adaptation to Ships’ Compasses. 
Proc. x., 146. 
—— A new Form of Right-Ascension 
slow Motion, for Equatorial Tele- 
scopes, illustrated by the Driving- 
Gear of the Cape Town Equatorial. 
JARO, XI, Bs 
—— Note on the Results that may 
be expected from the proposed 
Monster Telescope of the Paris Ex- 
hibition of 1900. Proc. 1x., 55. 
—— On the Correction of Hrrors in 
the Distribution of Time Signals. 
Proe. Ix., 37. 
—— Proposal for the Utilization of 
the “ Marconi” System of Wireless 
Telegraphy for the Control of 
Public and other Clocks. Proc. rx., 
46. 
—— Registration of Star-Transits by 
Photography. Proc. x., 138. 
—— Some New Forms of Geodetical 
Instruments. Trans. vil., 385. 
Gun-Sight consisting of a Collimating 
Telescope adaptable for Large and 
Small Ordnance (GruBB). Trans. 
Vil., 321. 
Hackett (F. E.) The Photometry of 
N-Rays. Trans. vi., 127. 
—— The Secondary Radiation ex- 
cited by yw Rays. Trans. 1x., 201. 
—— See McCLELLAND and Hackett. 
Hall (D. H.) On the Concentration 
of Soap Solution on the Surface of 
the Liquid. Proc. rx., 56. 
Hartley (W. N.) The Action of Heat 
on the Absorption Spectra and 
Chemical Constitution of Saline 
Solutions. Trans. vir., 253. 
—— An Investigation of the Con- 
nexion between Band and Line 
Spectra of the same Metallic Ele- 
ments. Trans. 1x., 85. 
—— Note on the Spectra of Calcium 
and Magnesium, as observed under 
different Conditions. Proc. xt., 
243. 
—— Notes on the Constitution of 
Nitric Acid and its Hydrates. Proc. 
Xo DBs 
—— On Haze, Dry Fog, and Hail. 
IERO Cs TWX Y4L7/, 
—— On the Conditions of Equilibrium 
of Deliquescent and Hygroscopic 
Salts of Copper, Cobalt, and Nickel, 
with respect to Atmospheric Mois- 
ture. Trans. vi., 313. 
