4T6 



I N D E X. 



Rnynl Gechgitat Secitfyf CofrMall, 2i4 

 Soval Sodety, Edinl'iffglt, 147, 294 



F.-^yai Sonely,L<,Tidun, 69, 14C, '2W,2y3, 

 375,459 

 Safety-lamps. On, 2;i, J9,57, «1, 90, 

 94,139,138,204,814 

 Scarlet ilye. A qu<;ry, 310 



i'to. Encroachments of, 414; queries 

 concerning', 425 



Sftt-tcaler coldest near the shore, 388; 

 distillation of, 308 



Sia-Siiakes at Madras, 7 1 



Sefundary forniatians. What ? 333 

 Serpenls. On, 148 



SeweU's treatment of lame horses, 377 

 Skeils in strata. On, 535 



Skip pumps. To work by the waves, 

 233 

 Shuldham's capstan, 451 



Silver mines in Pasco, 228 



Siriclair's code of agriculture, 454 



Sliding rule. Bevan's, 187 



Smart's exper. on timber, 378 



Sviith on urinary calculi, 190 



Snakf found in a block of coal, 227 

 Suciet'i f'-r encouraging Industry, ■ 4G3 

 Sodalile. New variety of, 332 



Solar spoi', 149,182 



Snitnd. Velocities of, 260 



Springs. Queries on, 4'25 



Spurzhii I on insanity, 457 



Stars. On colours of, 49, 45 'i 



Steam-biais. Queries on, 200; on pro- 

 pelling, 233 ; accident to, 300 

 Sltam Engines in Cornwa'l. Work of, 

 72, 150,228,304,381 

 Steatine. What ? 33 

 Slfvenson on his safety-lamp, 204 

 Stevensori on encroachments of the sea, 

 414 

 Stones. On gravity and strength of, 

 231, 306 

 Stove, (Fconomical, 354 

 Sugar, On clarifying, 153 ; injurious 

 to bread, 175 

 Sulphurets. Frere deMontizon on, 143 

 Sun's edge. Indentations on, 149 



Tliermonieler. A pri/c qucition, 226 

 Timber. On shrinking of, 376 ; on 

 strength of, 377 



Tin united with copper, 109 ; action 

 of hydrochloric ac;d on, 402 



Topiiz fused, 48 



TransUtun enilhs VThat ? S33 



T'edgoiii on colouring, 263 



T'ce. A singular, 312 



Trigonome.iical Sitrvry, 384 



L'tinary raliuli. On, 188 



i'accination, 332, 277 



Falleys. Queries on, 423 



f^an Mons. Communications by, 308, 

 312,314 

 rauquelin's analyses of lac, 390 



Vegetable physioU^y, 125 



Vegetable geugraphy, 336, 337 



Velocities of bodies moved in fluids. On, 

 34S 

 yevtilation of coal mines, 57, 63, 880 

 Fesuxius. Eruption of, 385 



Viper. On poison of, 429 



Vision. Horn on, 26; on restoring. 

 IIU 

 ^■o/A:er'j chemical philosophy, 850 



fVebiter on strata of S. E. of England,65 

 Wells. Queries on, 42 i 



JVesl Mia Viiands— of volcanic origi;.. 

 3i;i> 

 IVheat f New species of, 39 1 



IVhiie Mountains of New Hampshire. On, 

 32 

 Wilkinson on capillary attraction, 222, 

 223 ; on refraction, 298; on electri- 

 city. 29$ 

 Winch on geolog. phasnomeiia, 208; 

 answer to, _ 250 

 Wires of metals keep ignited in inflam- 

 mable media, Ifi*^ 

 ff'illaslnn's barometer, SSi"^ 

 Wood, Artifif-ial, for moulding, 39i> 

 WdoIz, or Indian steel, 377 

 Wurtemburg Society. 2'^7 

 Yellow viper. Oil the, S4l 

 Zinc united with copper, IC? 

 Zoology, 46,3:^ 



END OF THE FORTY-NINTH VOLUME- 



P'lUdcd by R. and A, Taylor, Shoe-Lane, London. 



