640 



INDEX. 



Instrument, on an, for calculating 

 f\$(x)ty(x)d!C \ the integral of the 



product of two given functions, 266. 

 Instruments for measuring currents and 



temperature in the ocean, 321. 

 Integrating machine, on an, having a new 



kinematic principle, 262. 



Jaundice, an inquiry into the cause of the 

 slow pulse in, 442. 



Jodrell (T. J. P.), letter to the President 

 from, 316. 



Jones (J. P.) on instruments for record- 

 ing the direction and velocity of cur- 

 rents and the temperature of the water 

 at different depths in the ocean, 321. 



Kew Committee, report of the, 102. 



, results of the monthly obser- 



servations of magnetic dip, horizontal 

 force, and declination made at the Kew 

 Observatory from April 1869 to March 

 1875 inclusive, 232. 



Key (T. H.), obituary notice of, x. 



Kinematic principle, on an integrating 

 machine having a new, 262. 



Klein (E.), admitted, 32. 



Lang (P. von), experiments on the fric- 

 tion between water and air, 441. 

 Lankester (E. P.), admitted, 32. 

 Lecture, the Bakerian, 1, 455. 

 Legg (J. W.), an inquiry into the cause 



of the slow pulse in jaundice, 442. 

 Lemurs, on the placentation of the, 409. 

 Lepas fascicularis, on the development of, 



and the " ■Archi.zoea " of Cirripedia,129. 

 Leyden jar, on the residual charge of the, 



407. 

 Liebig (J.), obituary notice of, xxvii. 

 Light and heat, on the nature of the force 



producing the motion of a body exposed 



to rays of, 391. 



, on the action of, on tellurium and 



selenium, 163. 

 Line-spectra of elementary bodies, on the 



compound nature of the, 352. 

 Linear differential equation of any order, 



mechanical integration of the general, 



with variable coefficients, 271. 

 equations of the second order, 



mechanical integration of the, with 



variable coefficients, 269. 

 Liquids, researches upon the specific 



volumes of: Part II., 283; Part III., 



298. 

 Lisbon, on the diurnal variations of the 



disturbances of the magnetic declination 



at, 373. 

 Liver, on the production of glycosuria by 



the effect of oxygenated blood on the, 



51. 

 Lockyer (J. N.), preliminary note on the 



compoun nature of the line-spectra of 



ele menta bodies, 352. 

 Locomotor system of Medusae, on the, 143. 

 Logan (Sir W. E.), obituary notice of, i. 



Machine, on an integrating, having a new 



kinematic principle, 262. 

 Magnetic declination, on the diurnal 



variations of the disturbances of the, 



at Lisbon, 373. 



dip, horizontal force, and declina- 

 tion, results of the monthly observations 

 of, made at the Kew Observatory from 

 April 1869 to March 1875 inclusive, 

 232. 



Mammalian ovum, description of a, in an 

 early condition of development, 399. 



Mammals, on the organ of Corti in, 346. 



Matter, on the gaseous state of, 455. 



Mechanics, on some elementary principles 

 in animal: No. VII. The law of 

 fatigue, 42. 



Medals, presentation of the, 89. 



Medusas, on the locomotor system of. 

 143. 



Meeting, anniversary, November 30, 1875, 

 70. 



Meldrum (C.) on a secular variation in 

 the rainfall in connexion with the 

 secular variation in amount of sun- 

 spots, 379. 



Metals, on the replacement of electro- 

 positive by electro-negative, in a voltaic 

 cell, 47. 



Meteorological Committee, report of the, 

 to the President and Council of the 

 Royal Society on the work done in the 

 Meteorological Office since their ap- 

 pointment in 1866 to Dec. 31, 1875, 

 189. 



Millejpora, on the structure of a species of, 

 occurring at Tahiti, 448. 



■ , Pooillopora, and Stylaster, on the 



structure of species of the genera, 59. 



Minute anatomy, on the, of the alimentary 

 canal, 241. 



Monte Video, report to the Hydrographer 

 of the Admiralty on the voyage of the 

 ' Challenger' from the Falkland Islands 

 to, 623. 



Moseley (H. N.) on the structure and re- 

 lations of the Alcyonarian Heliopora 

 ccsrulea, with some account of the 

 anatomy of a species of Sarcophyton, 

 notes on the structure of species of the 

 genera Millepora, Pooillopora, and Sty- 

 laster, and remarks on the affinities of 

 certain Palasozoic corals, 59. 



on the structure of a species of 



Millepora occurring at Tahiti, Societv 

 Islands, 448. 



, preliminary report to Prof. W. 



Thomson on the true corals dredged 

 by H.M.S. ' Challenger,' in deep water, 



