5;2 



INDEX. 



Mains, popular staletncnt of his experi- 

 ments on ligbt, 344 



Marcet, Dr, on alkali in animal fluids, 

 147. 285 



Maycock, Dr. 81. 196 



Measurement, 321 



Meteorological Journal, 22. 118 — At 

 Kinfatms Clastle, by Lord Gray, 

 368 



Mincralogical observations at sea, by 

 Peron, 54. 62 



Monocbord, 163 



Nectaries of Flowers, 171 

 Newton, Sir J. 3'<;1 



O. 



Oat grass, 79 



Oil of turpentine and chlorine, 194 



Pears, 255 



Pearson, Dr. on alkali in aniinal fluids, 

 285 



Pendulum, affected by attraction of 

 theAveigbt, 92— New Comper.sation, 

 ;^17 



Phillips, W. Esq. on the mineral veins 

 of Cornwall, 36'2 



Phosphorus, SirH. Davy on some com- 

 binations of, 354. 



Phosphorescence of bodies, 365 



Piscidia, Erythryna, 145 



Pitch of middle C in music, 163 



Plants, on their interior buds, by Mrs. 



Ibbetson, 1 — bulbous, 8 



Plums, 255 



Poisons, M. Brodie on, 258 



Sylvester on, SOS 



Polarety of light, 344 



Polypi of the coral, 141 



Porret, jun. Mr. on combination of 

 chlorine and oil of turpentine, 194 



Proportions definite in chemical com- 

 binations, 127. 134 



Primus, malifb, or perfumed cherry, 

 158 



Prussian blue, 268 



Pnmp, remarkable effect of hot liquid 

 in it, 189 



K. B. 189 



his new compensation pendulum,-. 



217 



Red beet, 75 



Refraction, double, Laplace on, 104 



Reid, M. Tho. on the attraction of the 

 weight of a clock upon the pendu- 

 lum, 92 



Ttodriguez, 321 



Roots, T. A. Knigliton their emission 

 from layers, 313 



Roxburgh, Dr. Wui. on the teak tree, 



Sea c£!p, or kale, 157 



Scrtrvy, 55 



Serres, Mich, de, on Turkish rose 



pearls, 78 



Serum 



