INDEX to VOL. VII. 



%riCALEPHA, proposed distribution 

 of the families of, 68. 



Acids: — English sulphuric, 235 ; suc- 

 cinic, 238; sulpho-methylic,397; mu- 

 riatic, 400 ; hydrocyanic, 400 ; pyro- 

 mucic, 429. 



Achromatic object glass, double, 161. 



Agassiz (Prof.) on fossil fishes, 485 ; on 

 the principles of classification in the 

 animal kingdom, 491. 



Air, vibration of in a cylindrical tube, 300. 



Alison (Dr.) on the vital powers in ar- 

 teries leading to inflamed parts, and 

 on the cause of death in asphyxia,510. 



Aluminum, atomic weight of, 75. 



America, appearance of elevation of 

 land on the west coast of, 318. 



Ampere (M.) on heat and light as the 

 results of vibratory motion, 342. 



Anemometer, new, 315. 



Antimony, on oxychloride of, 332. 



Apjohn (Prof.) on the dew-point, 266, 

 313, 470; on the specific heats of 

 elastic fluids, 385. 



A. K., on Newton's rings.. 363, 474. 



Arsenic in English sulphuric acid, 235 ; 

 in phosphorus, 331. 



Arteries leading to inflamed parts, on 

 the vital powers in, 510. 



Asphyxia, on the cause of death in, 5 10. 



Assay of silver, 425. 



Astronomical Society, 69. 



Astronomy : — Prof. Encke on Olbers's 

 method of determining the orbits of 

 comets, 7, 123, 203, 280, catalogue of 

 comets, 36 ; Snow's catalogue of 76 

 stars, 69 ; comets observed at Para- 

 matta, 69 ; Halley's comet, 139, 236 ; 

 new method of reducing lunar obser- 

 vations, 241. 



Atmosphere of a white-lead manufactory, 

 experiments on, 77. 



Atomic weight of aluminum, 75. 



Attraction, electrical, 304 ; magnetic, 

 439. 



Aurora Borealis, on the, 304. 



Azote, phosphuret of, 158. 



Ball (R.) on Pentacrinus Europceus and 

 & species of Bero'e, 495. 



Barker (Dr. W.) on electric currents 

 passing through platinum wire, 388. 



Barker (Prof. F.) on certain chemical 

 processes, 407. 



Beke (C. T.) on the advance of the land 

 in the Persian Gulf, 40. 



Bell (Sir C.) on the spinal chord, 138. 



Bernoulli's theory of the tides, 457. 



Bero'e, species of, 495. 



Berzelius (M.), preparation of pure tel- 

 lurium, 539. 



Birds, geographical range of, 418, 493. 



Bisch off (Prof.), analysis of plenakite, 

 540. 



Blood, influence of the tricuspid valve 

 of the heart on the circulation of the. 

 207 ; on the regulation of the quantity 

 of blood within the heart, 212 ; notice 

 of certain appearances in blood, 410. 



Boase (H. S.) on the structure of rocks, 

 376, 445. 



Bog timber, on, 499. 



Bonn, meeting of the Scientific Associa- 

 tion of Germany at, 157. 



Botany : — of the Himalayan Mountains, 

 132; on the formation of wood, 498; 

 notice of a yew found in a bog, 499 ; 

 notice of the yew at Macruss, 499 ; on 

 bog timber, 499 ; Oxalis tuberosa, So- 

 latium tuberosum, Cevadilla, Amole, 

 Oestrum Mutisii, 500; pericarp and 

 nuts of the Palo de Faca, 501. 



Boue (Dr.) notice of his Guide du Geo- 

 logique Voyageur, 541. 



Brewster (Sir D.) on the optical proper- 

 ties of the oxalate of chromium and 

 potash, 436 ; on the structure and 

 origin of the diamond, 245. 



British Association, suggestions respect- 

 ing the ensuing meeting, 118. 



, notice of the Dublin meeting, 71, 



237 ; official report of the Dublin 

 meeting, 289, 385, 480. 



Bruit de Soufflet, mechanism of, 508. 



Buckland (Prof.), notice of a newly dis- 

 covered gigantic reptile, 327. 



Calorific effect of the sun's direct rays, 1 82. 



Calorific rays, their transmission through 

 diathermal bodies, 475. 



Cape Farewell, geographical position of, 

 490. 



Cambridge Philosophical Society, 70. 



Carter (W. G.) on the delta of the Per- 

 sian Gulf, 192, 250. 



Cetacea, mammary glands in the, 507. 



Challis (Rev. J.) on the vibrations of a 

 cylindrical tube, 300. 



Chama, on some species of, 65. 



Charlesworth (E.) on reins of crystal- 

 lized carbonate of lixe in fossil wood, 

 76 ; on the crag-formation and its or- 

 ganic remains, 81 ; on the coralline 

 crag, in reply to Mr. Woodward, 464. 



