22 
Index to the Proceedings and Transactions of the 
Jeffreys, J. Gwyn.—On some of the 
MoUusca procured during the Arctic 
Expedition of the ^‘Fox” in 1858 
and 1859. Proc. ii., 1878-80, pp. 
125-128. 
Johnson, T.—Callosities of Nitophyllum 
versicolor^ Harv. (a New Mode of vege¬ 
tative Eeproduction of Floridese). 
Proc. VII., 1891-92, pp. 155-159. 
-- Pogotrichmn hihernicum, sp. n. 
Proc. VIII., 1893-98, pp. 1-10. 
JoLY, J.—The Abundance of Life. 
Proc. VII., 1891-92, pp. 55-90. 
- On an Apparatus for Obtaining 
telegraphically the Leadings of 
Meteorological Instruments placed 
at a Distance from the Observer. 
Proc. IV., 1883-85, pp. 158-165. 
-On the Bright Colours of Alpine 
Flowers. Proc. viii., 1893-98, pp. 
145-153. 
-On a Direct Leading Electrolytic 
Ampere Meter. Proc. vii., 1891-92, 
pp. 559-562. 
--On the Formation of Crystals of 
Calcium Oxide and Magnesium Oxide 
in the Oxyhydrogen Flame. Proc. 
VI., 1888-90, pp. 255-256. 
-On the Geological Investigation of 
Submarine Locks. Proc. viii., 1893- 
98, pp. 509-514. 
■-On a Hydrostatic Balance. Proc. 
V. , 1886-87, pp. 347-354. 
-On the Influences of Temperature 
upon the Sensitiveness of the Photo¬ 
graphic Dry Plate. Proc. viii., 1893- 
98, pp. 222-224. 
- On a Mercury-Glycerine Bar¬ 
ometer. Proc. VII., 1891-92, pp. 
547-551. 
--On a Method of Determining the 
Absolute Density of a Gas. Proc. 
VI. , 1888-90, pp. 534-541. 
*-On a Method of Determining the 
Speciflc Gravity of small Quantities 
of dense or porous Bodies. Proc. v., 
1886-87, pp. 41-47. 
-- On a Method of Photography in 
Natural Colours. Trans, vi., 1896- 
98, pp. 127-138. 
I JoLY, J.—Notes on the Microscopical 
Character of the Volcanic Ash from 
Krakatoa. Proc. iv., 1883-85, pp. 
291-299. 
-Notes on the Minerals of the Dub¬ 
lin and Wicklow Granite. I.—The 
Beryl and lolite of Glencullen. Proc. 
V., 1886-87, pp. 48-72. 
-On the Occurrence of Harmotome 
at Glendalough, Co. Wicklow. Proc. 
V., 1886-87, pp. 165-168. 
■- On the Origin of the Canals of 
Mars. Trans, vi., 1896-98, pp. 249- 
268. 
-On a Peculiarity in the Nature of 
the Impressions of Oldhamia antiqua 
and 0, radiata. Proc. v., 1886-87, 
pp. 445-447. 
- On the Permanency of Frost- 
marks, and a possible Connexion 
therewith with Oldhamia radiata 
and 0. antiqua. Proc. v., 1886-87, 
pp. 156-158. 
- The Phenomena of Skating and 
Professor J. Tliomson’s Thermody¬ 
namic Lelation. Proc. v., 1886-87, 
pp. 453-454. 
-On a Photographic Method of de¬ 
tecting the Existence of Variable 
Stars. Proc. viii., 1893-98, pp. 
184-185. 
- On Photometers made of Solid 
Paraffin, or other Translucent Sub¬ 
stance. Proc. IV., 1883-85, pp. 345- 
346. 
- On Shutters for Use in Stellar 
Photography. Proc. vii., 1891-92, 
pp. 196-200. 
- On a Speculation as to a Pre- 
Material Condition of the Universe. 
Proc. VII., 1891-92, pp. 563-573. 
- A Theory of Sun-Spots. Proc. 
VIII. , 1893-98, pp. 697-700. 
-Useful Methods in Teaching Ele¬ 
mentary Physics. Proc. viii., 1893- 
98, pp. 215-221. 
-On the Volume Change of Locks 
and Minerals attending Fusion. 
Trans, vi., 1896-98, pp. 283-304. 
