INDEX. 



497 



Mount Etna, account of the erup- 

 tion in 1536, 316. 



Mouth and pharynx, anatomical de- 

 scription of the, 103. 



Miiller (Dr.) on the existence of four 

 distinct hearts in amphibious ani- 

 mals, 165. 



Mullins (F. W.) on a new principle 

 in the construction of voltaic batte- 

 ries, 410. 



Mummy cloth of Egypt, on the, 298. 



Murphy (Rev. R.) on the theory of 

 analytical operations, 456. 



on the roots of equations, 472. 



Muscle and nerve, relations of, 64. 



Muscles of the arm, on the, 405. 



Muscular fibre of animal and organic 

 life, 462, 484. 



motility, not impaired in hyber- 

 nation, 106. 



Nebulse and clusters of stars, obser- 

 vations of, 213. 



Negro, on the brain of the, 398 ; in- 

 tellectual faculties of, 399. 



Nerve and muscle, on the relations of, 

 64. 



Nerves of motion, sensation, and the 

 brain, relations between the, 283, 

 331. 



— - of sensation, physiology of, 205 ; 

 paralysis of the fifth pair of, 205. 



Nervous system, on the, 401, 464 ; of 

 the Sphinx Ligustri, 129, 292; ner- 

 vous influence not a vital power, 

 402. 



Nervous and muscular systems, on the, 

 164. 



Newbold (Lieut. T. S.) on the poison 



used by the Jacoons, 483. 

 Newport (G.) on the nervous system 



of the Sphinx Ligustri, 129, 292. 

 on the respiratory organs of the 



leech, 206. 



on the respiration of insects, 403. 



,the Royal medal awarded to,444. 



on the temperature of insects, 



479. 



Nitrates, constitution of the, 454. 



Nitrogen, equivalent number for, 197. 



Nitrous gas and chlorine, new combi- 

 nation of, 27. 



North magnetic pole, on the position 

 of, 254. 



Odours, influence of colour on, 208. 

 (Estrus humanus, 181. 



Oo, lake, near Bagneres de la Chou, 

 131. 



Optical phenomena of certain crystals, 

 389, 455. 



structure of the crystalline lenses 



of animals, 194, 366. 



Oriani (B.), notice of the late, 153. 



Oriental MSS. of the Royal Society 

 sold to the British Museum, 349; 

 cash account, 360. 



Ornithorhynchus paradoxus, internal 

 structure of, 93 ; the name of Orni- 

 thorhynchus given to it by Blumen- 

 bach, 132 ; on the mammary glands 

 of, 133 ; on the ova of, 297 ; the fe- 

 male without mammas, 77. 



Osier (E.) on marine testaceous mol- 

 lusca, 131. 



Osteology, human, 207, 294. 



Ourang-outang, brain of, compared 

 with that of the negro, 398. 



Ova of women, on the, 339. 



, impregnated, of the mammifera, 



on the changes in, 473. 



of the Ornithorhynchus paradoxus, 



on the, 297. 



Owen (R.) on the mammary glands 

 of the Ornithorhynchus paradoxus, 

 132. 



on the generation of the marsu- 

 pial animals, and on the impregna- 

 ted uterus of a kangaroo, 279. 



on the ova of the Ornithorhynchus 



paradoxus, 297. 



on the brain in marsupial ani- 

 mals, 460. 



Owen (Capt.), meteorological register 

 kept on board H. M.'s shipThunder, 

 333. 



Oxalates, constitution of the, 453. 



Paddle-wheel of a new construction, 

 285. 



Palgrave (Sir F.), account of the erup- 

 tion of Mount Etna in 1536, 316. 



Palmer (H. R.) on a graphical regis- 

 ter of tides and winds, 33. 



on the motions of shingle beach- 

 es, 276. 



Parabolic curves, arcs of, 287. 



Parish (W.) on a large mass of me- 

 teoric iron, 213. 



Parkinson (Dr.), notice of, 84. 



Pasley (Col.) on an artificial water ce- 

 ment, 41. 



Paulet (F.), demonstration complete 

 dutheoreme dit de Fermat, 361. 



