INDEX 
TO VOLUME IX 
Adeney (W.E.). Studies in the Chemical 
Analysis of Fresh and Salt Waters, 
Part I.—Application of the Aération 
Method of Analysis to the Study of 
River Waters, 346. 
Aération Method of Analysis applied to 
the Study of River Waters (ADENEY), 
346. 
Altitude of a Celestial Object at Sea at 
Night-time, or when the Horizon is 
obscured (Jozy), 559. 
Amidoketones, Preparation of (Ryan), 
019. 
Anatase, Pseudo-opacity of (Joty), 475. 
Atmospheric Carbonic Anhydride, Method 
for determining its Amount, suitable 
for Scientific Expeditions (Lerrs and 
Buake), 436. 
Award of the Boyle Medal to GrorcE 
JOHNSTONE STONEY, M.A., D.SC., F.R.S., 
at the Evening Scientific Meeting of 
the Royal Dublin Society, held March 
22nd, 1899, 97. 
Award of the Boyle Medal to Professor 
Thomas Preston, M.A., D.SC., F.R.S., 
1899, 543. 
Bennett (S. R.). Actinometric Observa- 
tions of the Solar Eclipse, 365. 
Birefringence, Method of identifying 
Crystals in Rock Sections by the use of 
(Jouy), 485. 
Buoy Lamps and Beacons, Improvements 
in (WicHAm), 76. 
SCIEN. PROC. K.D.8., VOL. IX., PART V. 
Carbonic Anhydride of the Atmosphere 
(Lerts and Buaxe), 107. 
Carpenter (G. H.). Collembola from 
Franz-Josef Land (collected by Mr. 
W.S. Bruce, 1896-97), 271. 
— Pantopoda from the Arctic Seas, 
279. 
Carson (J.). See Apenzny (W. E.). 
Cassiterite in the Tertiary Granite of the 
Mourne Mountains, Co. Down (Sry- 
MOUR), 083. 
Cole (G. A. J.) and CunnincHam (J. A.). 
On certain Rocks styled ‘‘ Felstones,”’ 
occurring as Dykes in the County of 
Donegal, 314. 
Collembola from Franz-Josef Land (Car- 
PENTER), 271. 
Corallinacex, List of Irish (Jounson and 
Hensman), 22. 
Corallorhiza imnata, R. B., and its Myco- 
rhiza (JENNINGS and Hanna), 1. 
Crystallization of Minerals in Igneous 
Rocks, Theory of the Order of (Cun- 
NINGHAM), 383. 
Cunningham (J. A.). A Contribution to 
the Theory of the Order of Crystalliza- 
tion of Minerals in Igneous Rocks, 383. 
Cunnincuam (J. A.), see Cone (G. A. J.). 
Cyanogen Compounds in Coal Gas 
(HartLey), 289. 
Doyle (K. D.). The Rio del Fuerte of 
Western Mexico, and its Tributaries, 
60 
22 
