INDEX. 311 



Nervous tissue, the elements of, compared with corpuscles of the blood, 232. 

 Newport (George, Esq.). On the organs of reproduction, and the development of the Myria- 

 poda. First Series, 99. 



O. 



Otaheite, new determination of the magnetic elements at, 29. 



Ovum, the elements of the, compared with corpuscles of the blood, 241. 



P. 



Pigmentum nigrum, the elements of the, compared with corpuscles of the blood, 225. 



Polarity in light, supplement to a paper " On the theoretical explanation of an apparent new," 1. 



Polarized light, on the phenomena of thin plates of solid and fluid substances when exposed 



to, 43. 

 Pulley, modulus of the, 302. 

 Pus-globules, derived from corpuscles of the blood, 219. 



R. 



Rutherford (William, Esq.). Computation of the ratio of the diameter of a circle to its cir- 

 cumference to 208 places of figures, 281. 



S. 



Sabine (Lieut.-Colonel Edward, R.A.). Contributions to terrestrial magnetism. No. II., 11. 

 Saurians, remains of, discovered in the strata of Tilgate Forest, 141. 

 Spermatozoon, the elements of the, compared with corpuscles of the blood, 241. 



T. 



Table of correction for temperature of magnetic needles, 16. 



' — of observations with magnetic intensity needles on the west coast of America and the adja- 

 cent islands, 18, 23. 



of observed values of horizontal magnetic intensity, on the west coast of America, &c., 



21, 23. 



of observations of the inclination of the magnetic needle, on the west coast of America 



and the adjacent islands, ^6. 



of the general results of Captain Belcher's magnetic observations on the west coast of 



America and the adjacent islands, 28. 



of observations with magnetic intensity needles at Otaheite, 29. 



' — of observed values of the horizontal magnetic intensity at Otaheite, 30. 



of observations of the magnetic inclination at Otaheite, 30. 



of the general results of Captain Belcher's magnetic observations at Otaheite, 30. 



of magnetic declination observed at Matavai Bay, Otaheite, 34. 



— — — of observations of the magnetic inclination at Point Venus, Otaheite, 35. 



— of barometrical averages on successive solar years, from 1815 to 1832, constructed to 



show the moon's influence on the mean heights, varying according to her declination, 277. 



on successive cycles of nine solar years, classed according to the 



moon's place in declination, 278. 



