601 



INDEX TO VOL. XVL 



A 



CETIC 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. 

 ^ther : — chloric, 6; sulphuretted, 8; chlo- 

 rosulphuretted, 8 ; chlorinated acetic, 8 ; 

 chlorinated formic, 8 ; chlorinated cam- 

 phoric, 9; chlorinated benzoic, 9; chlori- 

 nated cenanthic, 9 ; chloropyroraucic,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 



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 

 Ochnacece, 16. 



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 Geomelria 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 I?hilosophical 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. 

 Button'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, 1 15. ^ 



Californias, geographical position of th 

 principal points of the triangulation o 

 the, and of the Mexican coasts of the Pa 



by M. Galle, 151. 



phil. Mag. S. 3. Vol. 16. Supplement^ No. 106. 1840. 



2 S 



