INDEX. 
Topography of Arracaa 146 — 197 
Torpedo, Davy's observations on . , 41 
Tracking or towing boats, machinery 
for .... 188 
Transactions, philosophical 16 — 39 
of the Linnean Society 
of London .... 95 — 284 
— of the Agricultural and 
Horticultural Society .. 156 
Trees, large, transplanting .... 298 
Triphylline .... 330 
Tropseolum pentaphyllum of Lamarck 96 
Tunnels, ventilation of .... 181 
Universe, of the .. 411 
■ , electrical theory of the 222 
—355—474—689 
Uric acid .... 166 
Ursitaxus inauritus .... 580 
Wapour-engine, Howard’s . . 32 
•Ventilation, Reid’s system of . , 609 
Verbascinse . . 95 
Violin, air . . 138 
Visit to BIr. Crosse . . .... 676 
Volta, modifications of the pile of . . 550 
Voltaic battery .... 40 
, constant .... 286 
Voltaic power, improvements in the 483 
Warmer, carriage, new . . 404 
Wasp, natural history of the .... 127 
Wasp’s nest made in a hollow in a 
sugar loaf .. 172 
IX 
Waters, acidulous 
Water a substitute for steam 
Water-engine, a hand 
Water, compressibility of 
, currents in 
-, bath, composition of 
37 
134 
138 
295 
468 
494- 
Waves, laws of the motion of, excit- 
ed in water • .... 
Weaving elastic fabrics, method of 
Wells, bored 
Wheat, acceleration of the growth of 
Wheels, paddle 42 — 469 
Wight, Dr. on the gamboge of com- 
merce . . 
Winds, curvilinear direction of .... 
Wind, effects of, on the height and 
velocity of the wave .... 
Wolfrom, analysis of 
Wood-polishing 
Wood, embossing on 
Works, public, in India 
Worm which had apparently destroyed 
a grasshopper 
Worms, intestinal . . . , 
Yew trees, longevity of the 
Yttria, examination of the salt of 
Zinc, carbonate of 
, preservation of tin plate by 104 — 216 
Zoological Society, Transactions of 
tile .... 592— 669 
Zoology of North America . . 542 
Zoophytes .... 43 
527 
132 
236 
500 
630 
237 
528 
125 
397 
138—610 
597 
172 
593w. 
543 
123 
1 
