541 



INDEX to VOL. XIII. 



AbNEY (Capt. W. de W.) on the 

 violet phosphorescence in calcium 

 ' sulphide, 212. 



Acoustical observations, 340. 



Andalusites, on the dichroism of two 



., European, 529. 



Atmospheric electricity, on evapora- 

 tion as a cause of, 398. 



Atomic arrangement, on the influ- 

 ence of, on the physical properties 

 of compounds, 112, 180. 



■-, weight and the chemical and 



physical properties of elements, on 

 the connexion between, 26. 



Barfield (H.) on the coefficients of 

 induction, 95. 



Bayley (T.) on the connexion between 

 . atomic weight and the chemical 



- and physical properties of ele- 

 , ments, 26. 



Bevan (E. J.) on pseudo-carbons, 

 325. 



Bicket (J. H.) on chemical equiva- 

 lence, 169. 



Bidwell (S.) on the effect of tempe- 

 rature on the electrical resistance 

 of mixtures of sulphur and carbon, 

 347. 



Binaural audition, on, 321. 



Bismuth, on the fluid density of, 360. 



Books, new : — Mascart and Joubert's 

 Lecons sur l'Electricite et le Mag- 

 netisme, 214; King and Rowney's 

 Old Chapter of the Geological 

 Record, 217; Journal of the Royal 



; Society of New South Wales, 222 ; 



. Cunningham's Roorkee Hydraulic 

 Experiments, 299; Stanley's Ex- 

 perimental Researches into the 

 Properties and Motions of Fluids, 

 300 ; Brauns's Geology of the En- 

 virons of Tokio, 367; Burnside and 

 . Panton's Theory of Equations, 

 368 ; Webb's Celestial Objects for 

 Common Telescopes, 368 ; Max 

 Midler's Kant's_ Critique of Pure 

 Reason, 462 ; Wright's Lessons on 

 Form, 466 ; Wormell's Magnetism 

 and Electricity, 534 ; The Calen- 



' dar of the University of Tokio for 

 1880-81, 535. 



Phil. Mag. S. 5. No. 84. Suppl. 



Rosanquet (R. H. M.) on the beats 

 of mistuned consonances, 131. 



Boys (C. V.) on integrating and 

 other apparatus for the measure- 

 . ment of mechanical and electrical 

 forces, 77; on apparatus for calcu- 

 lating efficiency, 193 ; on water- 

 pipes that do not burst with frost, 

 244. 



Burbury (S. H.) on the dissipation 

 of energy, 417. 



Carbon, on the electric resistance of, 

 under pressure, 262 ; on the effect 

 of temperature on the electrical 

 resistance of mixtures of sulphur 

 and, 347. 



Carbonic acid and water, on the com- 

 bination of, 228. 



Carbons, on the forms of, 325. 



Carnelley (Prof. T.) on chemical 

 symmetry, 112, 180. 



Cellerier (C.) on the distribution of 

 the molecular velocities in gases, 

 47. 



Chappuis (J.) on the liquefaction of 

 ozone, 467. 



Chardonnet (M. de) on the action of 

 telephonic currents upon the gal- 

 vanometer, 468. 



Chase (Dr. P. E.) on the photody- 

 namic paraboloid, 74. 



Chemical action, on the retardation 

 of, 41& 



affinity, on the determination of, 



in terms of electromotive force,265. 



equivalence, researches on, 169. 



symmetry, on, 112, 180. 



Clausius (Prof. R.) on the theoretic 

 determination of vapour-pressure 

 and the volumes of vapour and 

 . liquid, 132, 376 ; on the different 

 systems of measures for electric and 

 magnetic quantities, 381. 



Cockle (Sir J.) on new transforma- 

 tions of ordinals, 44; on trans- 

 formation, 357. 



Colours, on the relative intensity of, 

 538. 



Consonances, on the beats of mis- 

 tuned, 68, 131. 



Copper, on the fluid density of, 361. 



VoL13. 2S 



