INDEX. 



709 



glycerine, 75-82. Preparation and Characters 

 of Nitroglycerine, 83. 

 Nitroglycerine. The Elementary Composition of 

 Nitroglycerine. By Matthew Hay, M.D., and 

 Obmb Masson, M.A., B.Sc, E.E.S.E., 87. 







Old Red Sandstone. See under Sandstone. 



Partitions. Note on a Prohlem in Partitions. By 

 Professor Tait, E.S.E., 340. 



Patella vulgata. Anatomy and Physiology of 

 Patella vulgata. Part I. — Anatomy of. By 

 E. J. Harvey Gibson, F.E.S.E., 601. 



Peach (B. N.), F.E.S.E., and Horne (John), 

 F.E.S.E. The Old Eed Sandstone Volcanic 

 Bocks of Shetland, 359. 



Pennatulida. Eeport on the Pennatulida dredged 

 hy H.M.S. "Triton." By A. Milnes Marshall, 

 M.D., Professor of Zoology in Owens College, 

 119. 



Pentastomum, A New Species of, from the Mesen- 

 tery of Proteles cristatus, with an account of 

 its Anatomy. By W. E. Hoyle, M.A., 

 F.E.S.E., 165. Body-Wall, 167. Muscular 

 System, 169. Digestive Tract, 174. Secretory 

 Organs, 177. Nervous System, 180. Genera- 

 tive Organs, 181. 



Proteles cristatus. See Pentastomum. 



Pycnogonida dredged in the Faroe Channel during 

 the Cruise of H.M.S. "Triton" in August 

 1882. By Dr P. P. C. Hoek, 1. 



E 



Eattray (John), M.A., F.E.S.E.. Note on Ecto- 

 carpus, 589. 



S 



Sandstone (Old Bed) Volcanic Mocks of Shetland. 

 By B. N. Peach, F.E.S.E., and John Horne, 

 F.E.S.E., 359. 



Sang (Edward), LL.D., F.E.S.E. On the Approxi- 

 mation to the Eoots of Cubic Equations hy 

 help of Eecurring Chain- Fractions, 311. 



Shetland. On the Old Eed Sandstone Volcanic 

 Eocks of Shetland. By B. N. Peach, F.E.S.E., 

 and John Horne, F.E.S.E., 359. Contem- 

 poraneous Lavas and Tuffs, 361. Intrusive 

 Igneous Eocks, 368. Microscopic Characters, 

 379. Chemical Analysis of Eight Specimens 

 of Shetland Volcanic Eocks, 359. 



Sladen (W. Percy), F.L.S., F.G.S. Asteroidea 

 dredged in the Faroe Channel during the 

 Cruise of M.H.S. "Triton" in August 1882, 

 153. 



Smith (Professor C. Michie), F.E.S.E. Observations 

 on a Green Sun and associated Phenomena, 

 389. 



Observations on Atmospheric Electricity, 



583. 



Smith (Professor Eobert H.). A New Graphic 

 Analysis of the Kinematics of Mechanisms, 

 507. 



Smyth (C. Piazzi), F.E.S.E., Astronomer-Eoyal 

 for Scotland. Bright Clouds on a Dark Night 

 Sky, 11. 



Note on the Little b Group of Lines in the 



Solar Spectrum and the new College Spectro- 

 scope, 37. 



Note on Sir David Brewster's Line in the 



Infra-Bed of the Solar Spectrum, 233. 



Micrometrical Measures of Gaseous Spectrum 



under High Dispersion, 415. 



— — The Visual, Grating and Glass-Lens, Solar 

 Spectrum in 1884, 519. 



Solomon Group. Observations on the Eecent Cal- 

 careous Formations of the Solomon Group, 

 made during 1882-84. By H. B. Guppy, 

 M.B., F.G.S., 545. 



Spectroscope. The new (Edinburgh) College Spec- 

 troscope. By C. Piazzi Smyth, F.E.S.E., 

 Astronomer-Eoyal for Scotland, 37. 



Spectrum of Green Sun. By Professor C. Michie 

 Smith, 393. 



Sp>ectrum Analysis. 



Note on the Little b Group of Lines in the 



Solar Spectrum and the new College Spectro- 

 scope. By C. Piazzi Smyth, F.E.S.E., 

 Astronomer-Eoyal for Scotland, 37. 



Note on Sir David Brewster's Line Y in the 



Infra-Bed of the Solar Spectrum. By C. 

 Piazzi Smyth, F.E.S.E., 233. 



Micrometrical Measures of Gaseous Spectra 



under High Dispersion, 416 ; Candle Spectrum, 

 or HC Gas in Blowpipe Flame, 418; the CO 

 Spectrum, 435 ; Elementary Gases, H, 440 ; 

 O, 444; N, 446. By C. Piazzi Smyth, 

 F.E.S.E., 415. 



— ■ — ■ The Visual, Grating and Glass-Lens, Solar 

 Spectrum in 1884. By C. Piazzi Smyth, 

 F.E.S.E., 519. 



Stichocotyle Nephropis, a new Trematode. By J. 

 T. Cunningham, F.E.S.E., 273. 



Sun. Observations on a Green Sun and associated 



