Index. 
875 
Ethyl-chlorate of Triethyl-phosphorus- 
betaine, Action of Heat on, 44. 
Eugyra Kerguelenensis, new species, 
237. 
Euplectella : Its Structure, 2. 
Everett (Professor), Letter to Professor 
Tait on Mirage, 358 ; Note on Mir- 
age, 361. 
Faroe Islands. — On the Physical and 
Biological Conditions of the Channel 
between Scotland and the Farce 
Islands, by Sir Wyville Thomson, 
233. 
Faroe Channel. — Exploration of, by 
Staff-Commander Tizard and John 
Murray, in the “Knight-Errant,” 
638 : I. Introduction, 638 ; II. 
Origin and Objects of the “Knight- 
Errant” Investigations, 640; III. 
Narrative of the Cruise, 644 ; IV. 
Results, 648 ; Wyville Thomson’s 
Ridge, 648 ; Temperature, 652 ; 
Surface Dredging, 654, 657 ; Its 
Minerals, Animals, &c., 658 ; On 
the Plateau surrounding North 
Rona and Sulisker, 657 ; Soundings, 
Dredgings, and Trawlings in the 
Warm Area, 660; Description of the 
Muddy Deposit, 662 ; List of the 
Animals taken in the Warm Area, 
665 ; Dredgings and Trawlings in 
the Cold Area, 666 ; Its Minerals, 
&c., 669 ; List of the Animals taken 
in the Cold Area, 670 ; Soundings, 
Dredgings, and Trawlings on the 
Ridge, Minerals aud Organisms, 671; 
List of the Animals taken on the 
Ridge, 673 ; Report on the Fishes, 
by Dr. A. Gunther, F.R.S., 677 ; 
Report on the Mollusca, by Dr. 
Gwyn Jeffreys, F.R.S., 680; Report 
on the Crustacea, by Rev. A. M. 
Norman, 683; Report on the Pycno- 
gonida, by Dr. P. P. C. Hoek, 689; 
Report on the Polyzoa, by Dr. G. 
Busk, F.R.S., 690 ; Report on the 
Annelida, by Dr. M‘Intosh, F.R.S., 
693; Report on the Holothurioidea, 
by Dr. Hjalmar Theel, 694; Report 
on the Echinoidea, by Professor A. 
Agassiz, 697; Report on the Aster - 
oidea, by W. Percy Sladen, F.L.S., 
698; Report on the Ophiuroidea, by 
Professor Theodore Lyman, 707 ; 
Report on the Foraminifera, by H. 
B. Brady, 708 ; Report on the Gas 
Contents of Sea Water, by Professor 
Dittmar, 718; Rocks of North Rona, 
by Professor A. Renard and John 
Murray, 720. 
| Ferguson (William), of Kinmundy, 
on „a Cist discovered at Parkhill, 
Aberdeenshire, 405. 
Ferrous Salts, The Oxidation of, by 
J. Y. Buchanan, 191. 
Fishes of the Faroe Channel, by Dr. 
A. Gunther, F.R.S., 677. 
Flint (The Rev. Professor) Contributes 
Obituary Notice of the Rev. John 
Cumming, 328. 
Focus of Object Glass, Easy Method 
for Determining the Position of, 50. 
Fogs. — On Dust, Fogs, and Clouds, 
by John Aitken, 14. 
More Perfect Combustion will 
remove the Pea-Soup character of 
Town Fogs, 18. 
Foraminifera of the Faroe Channel, by 
A. B. Brady, F.R.S., 708. 
Forbes (Prof. George), Additional Note 
on an Ultra-Neptunian Planet, 89. 
Simple and Accurate Method 
of Determining the Longitude of a 
Place by a Single Observer, without 
measuring Time, 167. 
Fossil Fishes of Eskdale and Liddes- 
dale, by Dr. R. H. Traquair, 603. 
Fossil Plants of Eskdale and Liddes- 
dale, by Robert Kidston, 603 ; of 
Canonbie, 604. 
Fraser (Professor T. R. ), contributes 
Obituary Notice of Professor San- 
ders, 333. 
Fungi. — Diagnoses Fungorum Nov- 
orum in Insula Socotra, a Bayley 
Balfour, C. Cockburn et A. Scott, 
lectorum, 456. 
Galvanic Polarization, by Professor 
Helmholtz, 202. 
Gases : Their Compression by High 
Pressures, by Prof. Tait, 293. 
Geddes (Patrick) and Beddard (F. E.), 
on the Histology of the PedicellariEe 
and the Muscles of Echinus sphcerct 
(Forbes), 88. 
on the Classification of Sta- 
tistics, and its Results, 295. 
on the Nature and Functions 
of the Yellow Cells of Radiolarians 
and Ccelenterates, 377. 
Geikie (Archibald), F.R.S., on the 
Carboniferous Rocks of the South of 
Scotland, 598. 
Geneva, The Lake of. — The Colour of 
its Waters, 477, 478. 
Glass. — Crushing of Glass by Pressure, 
by Prof. Tait, 204. 
Globigerina bulloides , 716. 
Goodwin (W. L.), on the Nature of 
Solution, 834. 
