INDEX. 
page 
Electricity, new discovered law in, - - -20,31 
■ estimate of the quantity necessary to produce certain 
effects in a frog, - - - 15 
■ animal , account of the discovery so called, - 10 
Electrometer , a new kind, called an animal one, - 16 
Equatorial instrument , account of, - - 67 
Evaporation , remarks on its power in generating cold, - 130 
Eye, experiments on, - - * - 179 
F 
Fishes, remarks on their crystalline lens, - - 177 
Fluids, description of an instrument for ascertaining the specific 
gravities of, - - - 164 
Foetus , remarks on the powers and functions of, - - 161 
Frogs, effect of electric atmospheres upon them, - - 11 
experiments with, - 24, 29, 38 
G 
Galvani, Air. Account of some discoveries made by him, - 10 
Generation , human., description of an extraordinary production of, 154 
Gravities, specific, of fluids, description of an instrument for as- 
certaining, - - 164 
Gr egory, -the Rev. Edward. Extracts of two letters from, 
containing an account of the discovery of a comet, with obser- 
vations, - - - - -30 
H 
Hampshire, register of rain in that county, - - 220 
Heart, uncommon transposition of, in the human body, - 60 
Hector East- India ship,, effects of a current upon, - 189 
Hekschel, William, LL. D. Observations on the Planet Ve- 
nus, - - 201 
Human body , uncommon formation in the viscera of, 59 
I 
Ice , account of the method of making it at Benares, 
Immersion of y Tauri, obser vation of, 
Insects, some kinds not affected by electricity, 
experiments on. 
- 56, 129 
- 53 
- 3 2 
- 33 
