INDEX. 



501 



Temperature of fish of the genus Thun- 



nus, 327. 



of hot springs, 382. 



of insects, 479. 



Teredo navalis, on, 291. 



Testaceous mollusca, on their mode of 



feeding, 131 ; difficulty of distin- 

 guishing certain genera of, by their 



shells, 340. 

 Thackeray (Dr.) on the blood found 



in the vena portee, 53. 

 Thames, survey of the, 30. 

 Thermal springs, at Bath, on the, 254, 



258 ; temperatures and geological 



relations of, 382. 

 Thermo-electricity of rocks, 124. 

 Thermometers, verification of, 383. 

 Thermostat, on the, 67. 

 Thetis (H. M.'s ship), some remarks 



on the loss of, 43 ; recovery of the 



treasure and stores of the, 266, 271. 

 Thompson (J. V.), discovery of the 



metamorphoses in the Lepades, the 



second type of the Cirripedes, 325. 

 on the star-fish of the genus 



Comatula, 339. 

 on the metamorphoses in the 



Macroura, 371. 

 Thompson (W.) on the Teredo navalis 



and Limnoria terebrans, 291. 

 Thomson (Dr. J.) on the rectification 



of the circle, 417. 

 Thomson (J.) on the^mummy cloth of 



Egypt, 298. 

 Thymus gland, uses of the, 133. 

 Tic Douloureux, on, 164. 

 Tide observations, results of, 329, 399 ; 



discussion of, 190. 

 observations made at Liverpool, 



338, 368. 



, qauses of inaccuracy in making 



observations, 190. 

 Tides, on the, 75, 178, 265, 466. 



, a theory of the, 342. 



, atmospheric, the water barometer 



of value as throwing light on the 



theory of, 134. 



, atmospheric, of Dukhun, 296. 



in Port of London, on the, 62, 



137, 256, 399 ; at Brest, 75. 



, oncotidal lines, 188, 330, 399. 



, on the diurnal inequality-wave 



of Europe, 485. 

 , diurnal inequality of the height 



of, 465 ; on the fluctuations of the 



height of high-water, 485. 

 , on the empirical laws of, 256, 345. 



Tides, researches on the, 399, 465. 

 , solar and diurnal inequalities of 



the, 368, 377. 



of the Thames, 30, 33. 



Tides and winds, a graphical register 



of, 33. 



Tiedemann (Dr.) on the brain of the 

 negro, 398. 



Tongue, false, in foals, use of, 130. 



Torpedo, observations on the, 119, 293. 



, on the electricity and electrical 



organs of, 119, 293. 



, foetal development of the, 293. 



, only two species in the Mediter- 

 ranean, 294. 



Torpor from cold, distinct from hyber- 

 nation, 106. 



Trachea, its functions as an organ of 

 the voice, 102. 



Troughton (E.), notice of, 355. 



Turner (Dr.) on atomic weights, 196. 



Tuson (J.) on the uses of the thymus 

 gland, 133. 



Tyrrell (J.) on the circulation of the 

 blood in insects, 317. 



Undulatory theory, 73, 89, 362. 



Ure (Dr.) on the thermostat or heat 



governor, 67. 

 , analysis of the Moira brine 



spring, 295. 

 on the modes of warming and 



ventilating apartments, 411. 

 Uterus, impregnated, of a kangaroo, 



279. 



Vapour, on certain properties of, 159. 



Vegetable matter, on the vinous, 

 acetous, and putrefactive fermenta- 

 tions of, 406. 



physiology, 222. 



Ventilation, on, 411. 



Venus, on the inequality of, 77, 108, 

 301. 



Vessels, on the errors in the course of, 



43 ; on a new mode of propelling, 48. 

 Vesuvius, on the eruption in 1831, 



326 ; magnetic experiments on, 163. 

 Vibrating surfaces, forms assumed by 



particles upon, 49 ; figures obtained 



by strewing sand on, 180. 

 Vinous fermentation, on, 406. 

 Vision, on recrossed, 66. 

 Voice, on the organs of the, 102; on 



the cause of the grave and acute 



tones of the, 323 ; physiology of the, 



404. 



