INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1841. 
A. 
Airy (George Biddell, Esq.). Supplement to a paper “ On the theoretical explanation of an 
apparent new polarity in light,” 1. 
America , magnetic observations on the west coast of, and the adjacent islands, 11. 
Animal tissues, researches tending to prove the non-vascularity and peculiar uniform mode of 
organization and nutrition of certain, viz. articular cartilage and the cartilage of different 
classes of fibro-cartilage ; the cornea, the crystalline lens, and the vitreous humour ; and the 
epidermoid appendages, 159. The first class of non-vascular animal tissues: articular carti- 
lage and fibro-crrtilage, 162. 1. Articular cartilage, 163. 2. Fibro-cartilage, 174. The 
second class of non-vascular animal tissues : of the cornea, the crystalline lens, and the 
vitreous humour, 178. 
Attractions, on the calculation of, and the figure of the earth, 75. 
B. 
Bakerian Lecture, 99. 
Barometer , on a cycle of eighteen years in the mean annual height of the, in the climate of London; 
and on a constant variation of the barometrical mean according to the moon’s declination, 277. ' 
Barometer, note on an inequality in the height of the, of which the argument is the declination of 
the moon, 73. 
Barometrical averages (table of), on successive solar years, from 1815 to 1832, constructed to 
show the moon’s influence on the mean height, varying according to her declination, 277. 
(table of), on successive cycles of nine years, classed according to the 
moon’s place in declination, 278. 
Barometrical mean in our climate is depressed (on an average of years) by the moon’s position in 
south declination, 279. 
Barry (Martin, M.D.). Supplementary note to a paper entitled “ Researches in Embryology. 
Third series : a contribution to the physiology of cells,” 193. 
On the chorda dorsalis, 195. 
On the corpuscles of the blood. Part II., 201. 
On the corpuscles of the blood. Part III., 217. 
Belcher (Captain, R.N.). Magnetic observations on the west coast of America and the adja- 
cent islands, 11. 
2 s 
MDCCCXLI. 
