Index. 
667 
Shipley (A. E.) and Wilson (Edwin). 
On a Possible Stridulating Organ 
in the Mosquito, Anopheles maculi- 
pennis (Meig), ( Title only), 586. 
Silver Salts. Action on Ammonium 
Persulphate, by Hugh Marshall 
and J. K. H. Inglis, 88-93. 
Skinner (Wm.). Notice of, in Presi- 
dent’s Address, 5. 
Smith (Alexander). Amorphous 
Sulphur and its Relation to the 
Freezing-Point of Liquid Sulphur, 
299-301. 
On Cases which Determine 
the Formation of Amorphous 
Sulphur, 342-343. 
The Influence of Varying 
Temperature and Pressure on the 
Vapor Density of Calomel Vapor 
( Title only), 588. 
Further Note on the Causes 
which Determine the Formation of 
Amorphous Sulphur ( Title only), 
593. 
(A. Caineron). A Direct 
Method of Determining Latent 
Heat of Evaporation at the Boiling- 
Point, 450-459. 
Smyth (The late Professor C. Piazzi). 
Does the Spectrum Place of the 
Sodium Lines vary in different 
Azimuths ? 225-232. 
Sodium Lines, Spectrum Place of, in 
Relation to Azimuth, by C. P. 
Smyth' 225-232. 
Spectrophotometer, Divided Lens in 
Optical Train of, by J. R. Milne, 
496-500. 
Spectrum Place of Sodium Lines in 
Relation to Azimuth, by C. P. 
Smyth, 225-232. 
Spectrum Elements, Measurement of 
Intensity of, by J. R. Milne, 496- 
500. 
Spleen. The Condition of the Iron 
in the Spleen, by Wm. Brodie 
Brodie, 21-25. 
Sulphur, Amorphous. Relation to 
Freezing-Point of Liquid Sulphur, 
by Alexander Smith, 299-301. 
Molecular Weight of, by Alex- 
ander Smith, 299-301. 
Promotion and Restraint of 
its Formations by Foreign Bodies, 
by Alexander Smith, 342-343. 
Superposed Magnetic Inductions in 
Iron {Abstract), by James Russell, 
312-313. 
Superposition of Magnetic Fields, 
affecting Shielding in Hollow Iron 
Cylinders, by James Russell, 94-96. 
Tait (The late Professor P. G.). 
Quaternion Notes, 344-346. 
Minute of Council in reference 
to, 2-3. 
Donation of Books from the 
Library of, 601. 
Tank for Conductivity Cell, by J. J. 
Manley, 352. 
Temperature Coefficients (Electric) of 
Sea-Waters, by J. J. Manley, 360- 
362. 
Thallium. Thallic Sulphates and 
Double Sulphates, by Hugh 
Marshall, 305-311. 
Thio-urea and Iodine, Dissociation of 
Compound of, by Hugh Marshall, 
233-239. 
Trisecting Angle, Miller’s Instrument 
for, by Jas. N. Miller, 7-8. 
Trisectrix Curves, History of, by 
George Chrystal, 9. 
Sextic, by George Chrystal, 
10 . 
of Maclaurin, by George 
Chrystal, 20. 
Turner (Sir Wm.). The Occurrence 
of the Sperm Whale or Cachalot 
in the Shetland Seas, with Notes 
on the Tympano-petrous Bones 
of Physeter, Kogia, and other 
Odontoceti, 423-436. 
A Contribution to the Crani- 
ology of the People of Scotland 
( Title only), 604. 
Vector, General Scalar Function of a, 
by J. H. Maclagan-Wedderburn, 
409-412. 
Walker (James) and Robertson (A. 
J.). Freezing-Point Depression in 
Electrolytic Solutions, 363-379. 
Wedderburn (J. H. M.). See Mac- 
lagan-Wedderburn (J. H.). 
Wenley (James A.). Notice of, in 
President’s Address, 598. 
Whale, Sperm, Occurrence of, in 
Shetland Seas, with Notes on 
the Tympano-petrous Bones of 
Physeter, Kogia, and other 
Odontoceti, by Sir Wm. Turner, 
423-436. 
White Blood Cells, Necrobiotic 
Changes in, by Alexander Goodall 
and Edward Ewart, 289-298. 
Whiting, 'Young Scales of the, by 
Alex. Wallace Brown, 437-438. 
Williams (W. ). Notice of, in 
President’s Address, 4. 
— (W. Owen). Obituary Notice 
of Col. J. H. B. Hallen, 642-644. 
