INDEX. 
page 
Water, combines with bodies in definite proportions, and 
occasions changes in their properties, - - iJj, 
Wollaston, Wm. Hyde, M. D. on the primitive crystals 
of carbonate of lime, bitter spar, and iron spar, - 159 
— '■ — — — — — on a periscopic camera ob* 
scura and microscope, - - - 370 
Woodpecker , (Picus Minor), on its solvent glands, - 397 
Woorara , experiments with it on a cat and a rabbit, 107, 208 
Z. 
Zinc, on its combination with chlorine, - - 1 85 
Zincane , the name given to a compound of zinc and chlorine, 186 
■■■ ■ - or butler of zinc, its properties and composition, 185, 186 
Zircone, its peculiar relation to water, - - 415 
<=■' 
From the Press of 
W . BULMER fcy Co. 
Cleveland-row, St. James’s, 
London, 
