INDEX. 



559 



Forbes (D.), analyses of samples of the 

 deep-sea bottom, collected in the dredg- 

 ing-operation3 of H.M.S. ' Porcupine,' 

 490. 



Frankland (E.), analyses of samples of sea- 

 water collected during the third cruise of 

 H.M.S. ' Porcupine,' 488. 



and Duppa (B. P.) on the successive 



action of sodium and iodide of ethyl 

 upon acetic ether, 228. 



and Lockyer (J. N.), researches on 



gaseous spectra in relation to the phy- 

 sical constitution of* the sun, stars, and 

 nebula? (third note), 79, 118. 



Frog, physiological action of atropine, di- 

 gitaline, and aconitine on the heart and 

 blood-vessels of the, 46. 



Furluraniline, on, 537. 



Furl'urol, action of, on aniline furfurani- 

 line, 538 ; on toluidine fui-furtoluidine, 

 540. 



Fui-furtoluidine, on, 541. 



Galvanic currents, discussion of magnetic 

 effects inferred from, 184. 



Garrod (A. H.) on the relative duration 



f of the component parts of the radial 

 sphygmograph trace in health, 351. 



Gladstone (J. H.) on the refraction-equi- 

 valents of the elements, 49. 



Glucina, note on the spectrum of, 548. 



Gore (G.) on fluoride of silver (Part I.), 

 157. 



Granites of Scotland, on the constituent 

 minerals of, 312. 



Greenhow (Dr. E. H.) admitted, 493. 



Greenland, fossil flora of the north of, 

 notice of, 107. 



Griess (P.) on the action of cyanogen on 

 anthranilic acid, 89, 99. 



Gull (Dr. W.W.) admitted, 116. 



Guthrie (F.) on approach caused by vibra- 

 tion, 93. 



Hand and foot, on the difference be- 

 tween, as shown by their flexor ten- 

 dons, 359. 



Haughton (Rev. S.) on some elementary 

 principles in animal mechanics : "No. II., 

 22 ; "No. III., on the muscular forces 

 employed in parturition, 257 ; No. IV., 

 on the difference between a hand and a 

 foot, as shown by their flexor tendons, 

 359. 



on the constituent minerals of the 



granites of Scotland, as compared with 

 those of Donegal, 312. 



Heart, rate of beats as affected by alcohol, 

 390. 



Heat, rate of increase of, in Rose Bridge 



Colliery, 176. 

 Hemioosia, on a distinct form of transient, 



212/ 



Heppel (J. M.) on the theory of continu- 

 ous beams, 176. 



Herschel (Capt. J.), spectroscopic obser- 

 vations of the solar prominences, being 

 extracts from a letter addressed to Sir 

 J. F. W. Herschel, 62, 119. 



Hofmann (A. W.) and Olshausen (Otto) 

 on compounds isomeric with the cya- 

 nuric ethers, 493. 



Hofmann (A. W.), contributions towards 

 the history of thiobenzamide, 499. 



Holtenia, a genus of vitreous sponges, on, 

 32. 



Horizontal force, results of monthly ob- 

 servations of, at Kew Observatory, 231. 



Huggins (W.), note on the spectra of 

 erbia and some other earths, 546. 



Hull (E.), observations on the temperature 

 of the strata taken during the sinking of 

 the Rose Bridge Colliery, Wigan, Lan- 

 cashire, 1868-69, 173. 



Human economy, on some of the more im- 

 portant physiological changes induced 

 in the, by change of climate, 513. 



Hydrocarbons, researches on (No. Y.), 25. 



Hydrochloric acid, action of, on codeia, 

 83, 322 ; on chlorocodide, 85, 122. 



Induction-coil, great, some experiments 

 with the, at the Royal Polytechnic, 65. 



Iodide of ethyl, on the successive action of, 

 on acetic ether, 91, 228. 



Jacobi's theorem respecting the relative 



equilibrium of a revolving ellipsoid of 



fluid, 171. 

 Jago (J.) admitted, 493. 

 Jeffreys (J. G.), scientific exploration of 



the deep sea, 397. 

 , scientific exploration of the deep sea 



in H.M. surveying-vessel ' Porcupine,' 



1869, 98. 



Jenkins (H. M.) on Palceocoryyie, a genus 

 of the tubularine hydrozoa, 42. 



Jevons (W. S.) on the mechanical per- 

 formance of logical inference, 166. 



Jupiter, spectroscopic observations of, 

 242, 248. 



Beared (A.) on the presence of sulphocy- 

 anides in the blood and urine, 16. 



Lee (R. J.) on the organs of vision in the 

 common mole, 322. 



Le Sueur (A.), account of the great Mel- 

 bourne telescope from A pril 1868 to its 

 commencement of operations in Aus- 

 tralia in 1869, 216. 



, spectroscopic observations of the 



nebula of Orion, and of Jupiter, made 

 with the great Melbourne telescope, 

 242. 



on the nebulas of Argo and Orion, 



and on the spectrum of Jupiter, 245. 



