(jOl 
INDEX TO VOL. XVI. 
Acetic and chloroacetic acids, on, 152. 
Achromatic eye-pieces, single, their su- 
periority to the double eye-pieces of 
Huyghens, 595. 
Acids: — acetic, 3,152; chloroacetic, my- 
ronic, 152; polychromatic, 154; sa- 
licic, 214; .sulphuric, 219. 
iEther ; — chloric, 6 ; sulphuretted, 8 ; chlo- 
rosulphuretted, 8 ; chlorinated acetic, 8 ; 
chlorinated formic, 8 ; chlorinated cam- 
phoric, 9; xrhlorinated benzoic, 9; chlori- 
nated cenanthic, 9 ; chloropyromucic,10. 
Airy (G. B.) on the determination of the 
orbits of comets, 72. 
Alais, description of some French cast 
irons prepared near, 571 ; analysis of 
irons from, 576 ; chemical constituents 
of, 576. 
Albumen, action of, on metallic salts, 154. 
Alten, in Finmarken, meteorological ob- 
servations made at, 596. 
Amidogene, combinations of salicyle with, 
216. 
Amplitude of De la Caille’s arc of the 
meridian, verification of the, 594. 
Analyses; — of salicine, 210; of oil of pep- 
permint, 419; of minerals from the 
Skutteruder mine, 483 ; of iron from 
Champagne, 522; of iron from del’Isere, 
522; of iron from Siegen, 522; of 
irons from Alais, 576 ; of English cast 
steel, 585. 
Arago (M.), experiment proposed by, as 
a test of the accuracy of the undulatory 
hypothesis of light, 157. 
Arc of the meridian, Abbe de la Caille’s, 
on the, 594. 
Ardennes, fossils discovered in the clay 
slate tract of the, 389. 
Argand oil lamp, on obtaining an increas- 
ed quantity of light from a common, 194. 
Arsenic, contained in the human body, on, 
341. 
Astronomical refractions, on, 89, 434. 
Astronomical Society, Royal, 72, 144. 
Baily (Francis), letter to, from Professor 
Schumacher, on the discovery of a comet 
by M. Galle, 151. 
Bakerian Lecture : Mr. Ivory on the the- 
ory of the Astronomical Refractions, 89 . 
Barry (Dr. Martin), researches in em- 
bryology ; 3rd series : a contribution to 
the physiology of cells, 526. 
Beaumontite, a new mineral, 156. 
Berkeley (Rev. M. J. ) on a gall gathered 
in Cuba, by W. S. Macleay, Esq., on 
the leaf of a plant belonging to the order 
Ochnaceee, 76. 
Berzelius (M.) on the theory of substitu- 
tions of M. Dumas, 1 ; on oxichlorides 
with compound radicals, 7. 
Bessel (M.), catalogue of twenty-seven 
stars of the Pleiades, 150. 
Blood corpuscles of mammiferous ani- 
mals, on the, 23, 105, 195; sizes of the, 
26, 108, 197 ; of certain species of the 
genus Cervus, 599. 
Blood, diabetic, and urine, 238. 
Boetian contractions, new researches on 
the, 136; note on the, 221. 
Boetius de Geometria on numerical con- 
tractions, 51. 
Bone, normal and adventitious, on the 
structure of, 598. 
Books : — Miller’s Treatise on Crystal- 
lography, 65 ; Transactions of the Cam- 
bridge Philosophical Society, 67 ; Car- 
penter’s Principles of General and Com- 
parative Physiology, 70; Curtis’s Bri- 
tish Entomology, 144; Davies’s Solu- 
tions of the Principal Questions of Dr. 
Hutton’s Course of Mathematics, 524. 
Boulder formation of Norfolk, on the, 345. 
Bromide of Salicyle, 216, 
Bromine, hydrocarburet of, 236. 
Brooke (H. J.) on Haydenite and Cou- 
zeranite, 175; on crystallized native 
oxalate of lime, 449. 
Buddie (John) on depressions produced 
in the surface of the ground by exca- 
vating beds of coal, 146. 
Caldcleugh (Mr.) on earthquakes being 
felt at sea, 145. ' 
Californias, geographical position of th 
principal points of the triangulation o 
the, and of the Mexican coasts of the Pa 
2 S 
Phil. Mag. S. S. Vol. 16. Supplement^ No. 106. 1840. 
