469 



INDEX to VOL. VI 



xjlBNEY (Capt.) on photography 

 at the least-refrangible end of the 

 solar spectrum, 154. 



Acoustic repulsion, on, 225, 270. 



Alloys of copper, zinc, and nickel, on 

 the analysis of, 14. 



Amalgam surfaces, on motions pro- 

 duced by dilute acids on some, 211. 



Ammonio-argentic iodide, on the 

 behaviour of, 73. 



Audition, on some phenomena of 

 binaural, 383. 



Aurora borealis, on the, 289, 360, 423. 



Ayrton (Prof. W. E.) on the electri- 

 cal properties of bees'-wax and lead 

 chloride, 132. 



Ball (Dr. R. S.) on the principal 

 screws of inertia of a free or con- 

 strained rigid body, 274. 



Bayley (T.) on the analysis of alloys 

 containing copper, zinc, and nickel, 

 14. 



Becquerel (H.) on the magnetic ro- 

 tation of the plane of polarization 

 of light, under the influence of the 

 earth, 76. 



Bees'-wax, on the electrical proper- 

 ties of, 132. 



Blaikley (D. J.) on brass wind instru- 

 ments as resonators, 119. 



Blake (Rev. J. F.) on the measure- 

 ment of the curves formed by Ce- 

 phalopods and other mollusks, 241. 



Boltzmann (Prof. L.) on some prob- 

 lems of the mechanical theory of 

 heat, 236. 



Bonney (Prof. T. G.) on the serpen- 

 tine and associated igneous rocks 

 of Ayrshire, 149. 



Books, new : — Ferrers's Spherical 

 Harmonics, 66 ; Blanford's Indian 

 Meteorologist's Vade Mecum, 67 ; 

 Smyth's Astronomical Observa- 

 tions, 145 ; Clifford's Elements of 

 Dynamic, 306 ; Proctor's Moon, 

 309; Tait and Steele's Dynamics 

 of a Particle, 391 ; Baron Ray- 

 leigh's Theory of Sound, 462. 



Bosanquet (R. H. M.) on the relation 

 between the notes of open and 

 stopped pipes, 63. 



Brass wind instruments as resonators, 

 on, 119. 



Brough (R. S.) on some magnetic 

 elements for Northern India, 464. 



Brown (J.) on the theory of voltaic 

 action, 142. 



Callaway (C.) on the quartzites of 

 Shropshire, 233. 



Cephalopods, on the measurement of 

 the curves formed by, 241. 



Chase (Prof. P. E.) on the nebular 

 hypothesis, 128, 448 ; on Watson's 

 intra-Mercurial planet, 320. 



Chemical change, on the laws of, 371. 



Chemistry, recent researches in solar, 

 161. 



Clarke (Col. A. R.) on the figure of 

 the earth, 81. 



Clausius (Prof. R.) on the mecha- 

 nical theory of heat, 237, 400. 



Comets' tails, on a possible cause of 

 the formation of, 459. 



Conroy (Sir J.) on the light reflected 

 by potassium permanganate, 454. 



Cooper ( W. J.) on the action of per- 

 manganate of potash on certain 

 gases, 288. 



