INDEX TO VOL. XXV. 



AbNE? (W. de W.), admitted, 92. 

 Absolute units, on the determination of 



Verdet's constant in, 144. 

 Absorption-spectra of iodine, 4G. 

 , on the, of bromine and iodine 



monochloride, 4. 

 Acoustics, on the application of the prin- 

 ciple of reciprocity to, 118. 

 Adams (W. G.) and Day (R. E.) on the 



action of light on selenium, 113. 

 Address of the President, 339. 

 Agassiz (J. L. R.), obituary notice of, xxii. 

 Air-pump and vacuum-tap, on a new form 



of the Sprengel, 396. 

 Airy (H.) on the leaf-arrangement of 



crowberry, 158. 

 Albuminoid fluids, on certain unusual 



coagulation-appearance3 found in mucus 



and other, 140. 

 Aldabra group and Mascarene Islands, on 



the living and extinct races of gigantic 



land-tortoises of the, 506. 

 Alkalized urine, on the deportment of, 



457. 



AUman (Prof.) on the Hydrozoa of the 

 'Valorous' cruise, 1875, 223. 



Alluvial plains, on the origin of windings 

 of rivers in, 5. 



Amphibia, on the structure and develop- 

 ment of the skull in the Urodelous : 

 Part I., 333. 



o 



Angstrom (A. J.), obituary notice of, 

 xviii. 



Animal mechanics, on some elementary 

 principles in: No. VIII. The law of 

 fatigue, 131. 



Annelida of the 'Valorous' cruise, 1875, 

 215. 



Anniversary Meeting, Nov. 30, 1876, 337. 

 Annual Meeting for election of Fellows, 



Jtme 1, 1876, 92. 

 Archebiosis, on the conditions favou.ring, 



in previously boiled fluids, 149. 

 Archer (W.), admitted, 92. 

 Armstrong (H. E.), admitted, 303. 

 Arnott (Dr. N.), obituary notice of, xiv. 



VOL. XXY. 



Atmosphere, on the influence of height in 

 the, on the diurnal variation of the 

 earth's magnetic force, 566. 



Atmospheric temperature, on the varia- 

 tions of the daily range of, as recorded 

 at the Kew Observatory, 156, 577. 



Auditors, election of, 304 ; report of, 337. 



Auditory ossicles of the Mammalia, on 

 the comparative anatomy of the, 101. 



Barometer, on a simultaneous disturbance 

 of the, and of the magnetic needle, 90. 



, on simultaneous variations of the, 



in India, 24 ; supplementary note, 39. 



Barometric pressure, on the diurnal va- 

 riations of the wind and, 402. 



pressure, on the mean directions and 



distribution of the lines of equal, and 

 their relations to the mean direction 

 and force of the wind over the Bi-itish 

 Isles, &c., 515. 



Bastian (H. C), researches illustrative of 

 the physico-chemical theory of fermen- 

 tation, and of the conditions favouring 

 archebiosis in previously boiled fluids : 

 No. I., 149. 



Bernard (C), Copley medal awarded to, 

 356. 



Bicircular quartic, addition on the, 565. 

 Biological results of a cruise in H.M.S. 



' Valorous ' to Davis' Strait in 1875, 



177. 



Bleekrode (L.) on electrical conductivity 

 and electrolysis in chemical compounds, 

 322. 



Bombay Presidency, on the meteorology 

 of the, 539. ^ 



Bosanquet (E. H. M.) on the Hindoo 

 division of the octave, with some addi- 

 tions to the theory of the higher orders, 

 640. 



British Isles, on the mean direction and 

 force of the wind over the, 515. 



Brodie (Sir B. C.) on the calculus of 

 chemical operations: Part II. On the 

 analysis of chemical events, 83. 



2u 



