658 
INDEX. 
Medusce, on the circulating fluids of, 603. 
Meteorological instrument, automatic registration of, by photography, 19. 
Methyl, action of zinc upon iodide of, 427 ; action of mercury upon ditto, 436. 
Mollusca, on the circulating fluids of, 653. 
Myriapoda, on the circulating fluids of, 646. 
N. 
Nelson (Henry, M.D.). On the Reproduction of Ascaris mystax, 563. 
Nymphceacece, monocotyledonous character of, 293. 
O. 
O’Brien (Rev. Prof.). On symbolic forms derived from the conception of the translation of a 
directed magnitude, 161. 
Organic bodies, on a new series of, containing metals, 417. Action of tin upon iodide of ethyl, 
418. Oxide of stanethylium, 420. Sulphide of ditto, 421. Chloride of ditto, 422. Stan- 
ethylium, ibid. Action of zinc upon iodide of methyl, 427. Zincmethylium, ibid. Zinc- 
ethylium, 436. Zincamylium, ibid. Action of mercury upon iodide of methyl, ibid. 
Ovules discovered in the Fallopian tubes, 57. 
P. 
Periodical laws discoverable in the mean effect of the larger magnetic disturbances, 103. 
Photography applied to the automatic registration of magnetometers, &c., 19. 
Polypifera, on the circulating fluids of, 602. 
Porifera, on the nutrient fluids of, 601. 
Pseudoscope, description of, 11. 
R. 
Refrangibility of light, on the change of, 463. 
Reproduction of Ascaris mystax, 563. 
Respiratory action, on the manifestation of current force during, 285. 
S. 
Sabine (Colonel Edward). On Periodical Laws discoverable in the mean effects of the larger 
Magnetic Disturbances, No. II., 103. 
Saturated vapours, on a general law of density in, 83. 
Secretion, an experimental inquiry undertaken with the view of ascertaining whether any and 
what signs of current force are manifested during this process in living animals, 279. On 
the manifestation of current force during biliary secretion, 280 ; during urinary secretion, 
283 ; during mammary secretion, 284 ; during respiratory action, 285. 
Sharpe (Daniel, Esq.). On the Arrangement of the Foliation and Cleavage of the Rocks of the 
North of Scotland, 445. 
Singapore, on the lunar atmospheric tide at, 125. 
