!•*>? 



540 





~^^L''" INDEX TO VOL. V, 



Abbott (T. K.) on a geometrical 

 problem, 286. 



Acids, anhydrous, organic, on Ger- 

 liardt*s discovery of 38 1 . 



Adams (Mr.) on some trigonometrical 

 operations, 461. 



Adamson (Dr. J.) on a proposed test 

 of the necessity of indirect proof in 

 geometrical demonstrations, 297, 

 332, 405. 



Adie (R.) on the temperatures of con- 

 ductors of electrical cunents, 46, 

 193 ; on ground ice, 340. 



Air, on the specific heat of, 437- 



Airv (Prof.) on the eclipses of Aga- 

 thocles, Thales and Xerxes, 216. 



Alizarine, researches on, 413. 



Amber, on cavities in, containing 

 gases and fluids, 233. 



Amphibia, on the impregnation of 

 the ovum in the, 52. 



Arohhold's invariants, remarks on, 

 299, 367. 



Atmosphere, on the colours of the, 28. 



Atomic weights of analogous elements, 

 on the relations between, 313. 



Auroral phsenomena, observations on, 

 465. 



Baxter (H. F.) on signs of current 

 force manifested during the organic 

 process of secretion in living ani- 

 mals, 59; on the signs of current 

 electricity manifested in plants 

 during vegetation, 135. 



Becquerel(M.)on chemical combina- 

 tions resulting from the contact of 

 solids with liquids, 384. 



Books, new : — Tate's Principles of 

 Mechanical Philosophy applied to 

 Industrial Mechanics, 374 ; God- 

 fray's Elementaiy Treatise on the 

 Lunar Theory, 535. 



Boracic acid, on the presence of, in 

 mineral waters, 229, 230. 



Bouis (J.) on the presence of boracic 

 acid in thermal waters, 229. 



Brame (C.) on the density of sulphur, 

 149. 



Bravais (A.) on systems in which 

 right- and left-handed oscillations 

 are not executed alike, 197. 



Breithaupt (Prof.) on the superposi- 

 tion of certain minerals in some 

 mining districts of Gei-many, 227. 



Brewster (Sir D.) on the optical 

 figures produced by the disinte- , 

 grated surfaces of crystals, 1 6 ; on 

 cavities in amber containing gases ^ 

 and fluids, 233 ; on a remarkable 

 fluid cavity in topaz, 235. 



Brinton (Dr. W.) on the ilen^mte' Ibody^ 

 of the cerebellum, 63. ' * ''[f^'-^ 



Brooke (H. J.) on some -supppise^ 

 crystals of trona, 373. ^; J" 



Bunsen (Prof.) on chemical affi^if^^j 



Burrow (li:)y Journals of tb^'lfii-e;^!^^ 



Cambridge Philosophical Society^pipj| 



ceedings of the, 458. 

 Carbon, on the temperature prodljii: 



by the combustion of, 38/. ; ,' ,. .-, 

 Cardioids, on the relation ,'cst )^ 



ellipses, 136. - - - -I'^^'^'f' 



Carmichael (R.) o^^M*«S^«i& 

 of physical science, ^2^. 



Cayley (A.) on the geometrical repre- 

 sentation of the integral ^. .,y 



/dx -4- Vix-j-a) {x-\-b) (a?+c)V2^^3^ 



Cerebellum, on the dentate body .'6f 

 the, 63. ^^ 



Challis (Rev. J.) on the principlei^^r 

 hydrodynamics, 86. ' ':'^'^ 



Chemical afiinity, remarks on, 147*. ca 



— changes, theory of, 526. '"'"^^^^ 



combinations, on the heat'' W, 



10 J resulting from the contact oST 

 solids with hquids, observationiiiOT, 



384. ' ' ■\' ^";^' 



forces, on the occonomical pi*b- 



duction of mechanical eff'ect from, 



1,6. 



Chemistry of the Ancient Egyptians, 



339. ' 



Chiviatitc, analysis of, 457. ^'^X\ 

 Circle, on the extension of the Valae. 



of the ratio of the circumferenc^OT^ 



a, to its diameter, 213. 

 Clausius (R.) on the dependence of 



the heating power of the galvanic 



current on the nature of the stbf- 



roun ding gas, 209 . ,^. 



Clock escapements, on improvenidiftir 



in, 462. ' ^ ; .RTi^I 



Cockle (J.) on the method of 1 



trie products, 170. 

 Combinations, note on, I!. 



irtn 

 1 '"('>••> 



