INDEX. 



615 



organization in phxnogamous plants, 

 172, 241,292. 



Scoresby ( W.) improvements in magnetical 

 apparatus, 380. 



Scrope (P.), voltaic theory, 536. 



Sea-water, on the maximum density of, 7. 



Sells (W.) on the habits of the Vultur aura, 

 447. 



Silver, iodide of, new property of, 258 ; on 

 the equivalent of, 324 ; oxide of, and ox- 

 ide of lead, definite combination of, 217. 



Simon (E.) on Jervine, a new vegetable 

 base, 29. 



Simpson and Dease's discovery of the North- 

 west passage, 542. 



Siphuncle in the pearly nautilus, on the 

 action of the, 503. 



Sivatherium, notice of additional fragments 

 of the, 40. 



Smith (A.), method of finding the equation 

 to Fresnel's wave-surface, 335. 



Soane (Sir J.), notice of the late, 278. 



Soda, on the equivalent of, 324. 



Solar eclipse, very ancient, 282. 



Solutions, saline, maximum density of, 7. 



Soubeiran (M.) on sulphuret of azote, 134. 



Spiders, entombed by the Trypoxylon, 1 5. 



Springs, intermitting, on the phenomena of, 

 364. 



Stigmus troglodytes, 16. 



Strickland ( H. E.) on the geology of the 

 island of Zante, 87 ; on some remarkable 

 dikes of calcareous grit at Ethie, 584. 



Suffolk, geological survey of, 512. 



Sugar of milk, on its fermentation, 139. 



Sulphomesitylates, 100. 



Sulphovinates and sulphomethylates, action 

 of ferrocyanide of potassium on, 102. 



Sulphuret of azote, 134. 



Sulphurets, metallic, on their employment 

 in analysis, 137. 



Sussex (Duke of), address on the anniver- 

 sary of the Royal Society, Nov. 30, 1837, 

 269. 



Sylvester (J. J. ) on the optical theory of 

 crystals, 73, 341. 



Talbot (H. F.) on a new property of nitre, 

 145 ; on a new property of the iodide of 

 silver, 258. 



Tartaric acid, constitution of, 381. 



Taylor (T.) on two calculi composed of 

 cystic oxide, 337 ; on urinary calculi, 

 412. 



Tadpoles, mode of closure of the gill-aper- 

 tures in, 527. 



Tartaric and paratartaric acids, 605. 



TenerifTe, rrieteorology of, 291. 



Thermo-electric phenomena, on, 295. 



Thermo electricity, decomposition of water 

 by, 541. 



Thermo-multiplier, use of, 545. 



Thermometrical diary, specimen of a, 489. 



Tiarks (Dr.), notice of the late, 274. 



Tide-gauge, new, 430i, 



Tides, on the, 351 ; Prof. PuUen's lectures 

 on the, 454 ; on the mechanism of waves, 

 112. 



Tin, preparation of protoxide of, 216. 



Torpedo, chemical composition of the elec- 

 trical apparatus of, 256 ; researches re- 

 lative to the, 196. 



Tovey (J. ) on the cause of elliptical po- 

 larization, 10 ; on the optical theory of 

 crystals, 259. 



Toxodon Platensis, 516. 



Trevelyan (W. C.) on indications of recent 

 elevations in Guernsey and Jersey, 284. 



Trommsdorfr(M.) on gentianin, 221. 



Trypoxylon figulus and T. clavicenim, 

 habits of, 15. 



Tungsten, chloride of, 461. 



Turner (Dr.), notice of the late, 275, 436. 



Valentine ( W.) on the existence of stomata 

 in mosses, 533. 



Vegetable physiology, progress of, 53. 



Vertebrata, subdivided into five classes, 92. 



Volcanic phenomena, theory of, 576 ; on 

 the connexion of, 584. 



Volcanos, on the theory of, 533. 



Voltaic combinations, on, 364 ; conditions 

 of iron and bismuth, 48 ; relations of 

 certain peroxides, platina, and inactive 

 iron, 225. 



Von Hoff (M.), notice of the late, 439. 



Vultur aura, habits of the, 447. 



Undulatory theory, 10, 114, 



Uranus, value of the mass of, 522. 



Walter (M.) on the bichromate of -per- 

 chloride of chrome, 83. 



Ward (Mr.) on the reproduction of the 

 fronds of Laminaria digitata, 96. 



Water, its absorption by efflorescent salts, 

 130; its decomposition by thermo-elec- 

 tricity, 541 ; on the maximum density 

 of, 1. 



Waterhouse ( G. R. ) on a new species of 

 Mus, 443; on new Rodentia, 445; on 

 several undescribed quadrupeds, 596. 



Watkins (F.) on electro-magnetic motive 

 machines, 190; on' the low temperature 

 of Jan. 1838, 302 ; on the decomposition 

 of water by thermo-electricity, 541. 

 Watson (H.) on the absorption of water 

 by efflorescent salts, 130; detection of 

 common salt in chloride of potassium, 

 132. 

 Watson (J.) mode of exhibiting the colours 



of thin plates, 28. 

 Waves, mechanism of, 112. 

 Wave-surface in double refraction, 47. 

 Weaver (T.) on the geological relations of 



North Devon, 569. 

 Westwood (J. O. ) on the family of Fulgo- 

 ridae, 93 ; on several new species of in- 

 sects belonging to the family of sacred 

 beetles, 441. 



