600 



INDEX. 



Calculus of symbols, internal and ex- 

 ternal division in, 557. 



Camphor, motions of, on the surface of 

 water, 575. 



Carbonic acid, liquid, on the properties 

 of, 85. 



Carpenter (W. B.), Royal Medal award- 

 ed to, 464. 



Cayley (A.) on an extension of Arbo- 

 gast's method of derivations, 42. 



on the equation for the product of 



the differences of all but one of the 

 roots of a given equation, 69. 



on the porism of the in-and-cir- 



cumscribed polygon, 131. 



on a new auxiliary equation in the 



theory of equations of the fifth order, 

 134. 



, a seventh memoir on quantics, 142. 



on the double tangents of a curve 



of the fourth order, 304. 



on Tschirnhausen's transforma- 

 tion, 487. 



Cerebrum of the Quadrumana, observa- 

 tions on, 376, 508. 



Cervical sympathetic nerves, on the func- 

 tions of, 302. 



Chemical composition, liquid transpira- 

 tion hi relation to, 381. 



Chloracetic ether, action of, on triethyl- 

 amine and triethylphosphine, 525. 



Chloride of iodine, action of, on iodide 

 of ethylene and propylene gas, 590. 



Circle, ratio of circumference of, to its 

 diameter, a series for calculating the, 

 489. 



Clarke (J. L.), notes of researches on the 

 ultimate structure of the brain (se- 

 cond series), 359. 



on the development of striped 



muscular fibre in man, mammalia, and 

 birds, 513. 



Clarkson (A.) on a series for calculating 

 the ratio of the circumference of a cir- 

 cle to its diameter, 489. 



Cleland (J.) on the relations of the vomer, 

 ethmoid, and intermaxillary bones, 

 163. 



Coal-gas, on, 25. 



, sulphur compounds in, purified, 31. 



Colloids, substances of low diffusibility, 

 243. 



Combustion, influence of atmospheric 

 pressure on some phenomena of, 366. 



Committee on Indian arc, report of, 595. 



Compass, deviation of, by the length and 

 arrangement of the needles, 179. 



, new mode of correcting, 181. 



Copley Medal awarded to E.W. Bunsen, 

 14 to L. Agassi/, 461. 



Copper and its alloys, electric conducting 

 power of, 126. 



Cotton, chemical and physical conditions 

 of the culture of, 340. 



soil, Alabama, general deductions 



from examination of, 346. 



, mechanical treatment of, as prac- 

 tised in Alabama, 350. 



Coturnine, composition of, 57. 



, action of nitric acid on, 59. 



Croonian Lecture. On the relations 

 between muscular irritability, cadave- 

 ric rigidity, and putrefaction, 204. 



Crystallization and liquefaction, as in- 

 fluenced by stresses tending to change 

 of form in the crystals, 473. 



Crystallized substances, determination 

 of the optical constants of, 235. 



Crystalloids, a diffusive class of sub- 

 stances, 243. 



Crystals, change of form in, as influenced 

 fey stresses, 473. 



of gold and tin, 435. 



, uniaxal, on internal radiation in, 



193. 



Curtis (A. H.) on the gyroscope, 40. 



Curve of the fourth order, on the double 

 tangents of, 304. 



Curves, contact of, 446. 



Cutaneous sensibility of the hand and 

 foot in different parts of the surface, 

 as tested by the galvanic current, 356. 



Cyanate of ethyl, action of, on urea, 273. 



Darkness, influence of, on the tadpole 



and frog, 536. 

 Davidson (J.) on the action of dibro- 



mide of ethylene on pyridine, 261. 

 De la Rue (W.) and Muller (H.) on 



terephthalic acid and its derivatives, 



112. 



Dialysis, action of, 245. 

 Diamines, ureas of, 268 ; diagnosis of, 



278 ; aromatic, 518. 

 Diarsonium series, 64. 

 Diatomic compounds, isomerism of, 271. 

 Dibromide of ethylene, action of, on 



pyridine, 261. 



Dicynodont reptilia, on, 583. 

 Diethylamine, action of dibromide of 



ethylene on, 425. 

 Dogs, experiments on the irritability of, 



209. 



Earth-currents and magnetic calms, on, 

 578. 



Echinus, on the structure and growth of 

 the tooth of, 166. 



Electric conducting power of metals, in- 

 fluence of temperature on, 516. } 



