INDEX. 
Refraction, 108, 479. 
Refrigeration, mode of measuring, 59. 
Resistance, on the solid of least, 66. 
Retina of the eye of the common ca- 
lamary, 1. 
Reviews :—Whewell’s Newton and 
Flamsteed, 139; Young’s Theory and 
Solution of Algebraic Equations, 402; 
Wiegmann’s Herpetologia Mexicana, 
410; Cooper’s Flora Metropolitana, 
411; Samouelle’s Entomologist’s Use- 
ful Compendium, 412; Webster's 
Principles of Hydrostatics,andTheory 
of the Equilibrium and Motion of 
Fluids, 544. 
Richardson (W.) on selenite in the sands 
of the plastic clay near Herne Bay, 
558. 
Rigaud (Prof.) on a note in the Quar- 
terly Review respecting Mr. Whewell, 
218; on Newton, Whiston, Halley, 
and Flamsteed, 220; on the aurora 
borealis of Nov. 18, 1885, 350; in- 
quiry relative to Dr. Pemberton’s 
translation of Newton’s Principia,441. 
Riley (Dr.) on various fossil remains of 
Saurian animals, 577. 
Riolite, 261. 
Ritchie (Dr.) on magnetic action, 55, 
242; researches in electricity and 
magnetism, 455. 
Roberts (Mr.) on a machine which ren- 
ders objects visible while revolving 
200,000 times in a minute, 71. 
Robinson (Dr.) on the aurora of Nov. 
18, 1835, 236. 
Rose (C. B.) on the geology of West 
Norfolk, 28. 
Royal Institution, 348. 
Royal Society, 147, 412, 545. 
Royal Society of Edinburgh, 424. 
Rudberg’s (M.) undulatory theory of 
dispersion, 28, 113, 210. 
Rumker (C.), new method of reducing 
lunar observations, 373. 
Russell (J. S.) on the solid of least re- 
sistance, 66. 
Schweitzer (G.) on the cause of the 
presence of lead in English chemical 
preparations, 267. 
Sculpture, production of busts, &c. by 
machinery, 70. 
Sepia Loligo, on the eye of the, 1. 
Shell, on a substance resembling, 545. 
Sherard (W.), the founder of the Pro- 
fessorship of Botany at Oxford, 424. 
Ships, new form for the construction of, 
66. 
Silver, German, analysis of, 80. 
Smith (J. D.), analysis of German sil- 
599 
ver, and the separation of zine from 
nickel, 80; on the separation of ba- 
rytes and strontia, 259; on the com- 
position of carbonate of zinc, 261. 
Snow, red, 80. 
Soda, chloride of, its use in fever, 64. 
Solar eclipse of May 15, 298, 589, 590. 
Solar spectrum, lines of the, 384. 
Solid of least resistance, on the, 66. 
Solly (E. jun.) on the conducting power 
of iodine, bromine, and chlorine for 
electricity, 130, 400. 
Sowerby (J. de C.) on the habits of the 
long-eared bat, 265. 
Specific heats of dry gases, error in Dr. 
Apjohn’s formula for inferring, 21. 
Squire (T.) on the solar eclipse of 
May 15, 298. 
Starch, potatoe, 586. 
Steam-engines :—improvements in, 71 ; 
of Cornwall, 20,136; rotatory, 20,136. 
Steam-vessel, iron, magnetic experi- 
ments on, 547. 
Stevelly (Prof.), description of a self- 
registering barometer, 67. 
Strigisan, a variety of wavellite, 173. 
Stromite and thulite, 169. 
Strontia and barytes, separation of, 259. 
Sturgeon (W.), description of the aurora 
borealis of Nov. 18, 134. 
Stutchbury (S.) on various fossil re- 
mains of Saurian animals, 577. 
Suberic acid, 443. 
Sulphate of copper, action of hydro- 
chloric acid on, 353. 
Sulpho-benzide and nitro-benzide, 257. 
Sulphur, vaporization of, 189. 
Sykes (Col.) on the caves of Ballybunian, 
574. 
Symbolic notation, on, 101. 
Talbot (H. F.) on the repulsive power 
of heat, 189; on the integral calculus, 
549. 
Taylor (J.) on the duty of steam- 
engines in Cornwall, 67; on rotatory 
steam-engines, 136. 
Tellurium, properties of, 84. 
Temperature, thermometer for deter- 
mining minute differences of, 57. 
Thebaia, a new alkali in opium, 444. 
Thermal springs, temperature of, 551. 
Thermometer :—for determining minute 
differences of temperature, 57 ; fallacy 
of determining climate by the, 61 ; 
for measuring refrigeration, 61 ; veri- 
fication of, 552. 
Thompson (J.V.) on the metamorphoses 
in the Macroura, 421. 
Thomson (Dr.) on sesquisulphate of 
manganese, 173. 
