INDEX. 



page 

 Herschel, Willi am, LL. D. Experiments on the refrangibility 

 of the invisible rays of the sun, - 284 



Experiments on the solar, and on 



the terrestrial rays that occasion heat; with a comparative view 

 of the laws to which light and heat, or rather the rays which occa- 

 sion them, are subject, in order to determine whether they are the 

 same, or different, - 293, 437 



Home, Everard, Esq. The Croonian Lecture. On the structure 

 and uses of the membrana tympani of the ear, 1 



Some additional remarks, on the mode 



of hearing in cases where the membrana tympani has been de- 

 stroyed, - - - 159 

 • Some observations on the head of the 



Ornithorhynchus paradoxus, - 432 



Hoof, experiments on, - 374 



Horn, experiments on, - - - - 372 



Horse, remarks on its membrana tympani, - 6 



Howard, Edward, Esq. On a new fulminating mercury, 204 

 Hulme, Nathaniel, M. D. Experiments and observations on 

 the light which is spontaneously emitted, with some degree of 



permanency, from various bodies, - - - 161 



I 



Illuminating power, on that of coloured rays, - - 262 



Images, on double ones caused by atmospherical refraction, - 239 



Iron, hot, on the reflection of its heat, - - 299, 306 



on the refraction of its heat, - - 3 1 3, 3 1 9 



on the transmission of its heat, - 490,524 



JsiSf experiments on various species of, - - 335, 362 



L 



Latitude, on that of various places, - 624,644,649)655,661 



Lecture, Croonian, 1 



Lemur Loris, remarks on its arteries, - - - 100 



■ tardigradus, remarks on its arteries, - - 98 



Light, experiments and inquiries respecting it, - - 106 



on the analogy between it and sound, - - 125 



on the laws to which it is subject, - - 295 



— — whether it be occasioned by the same rays as heat, or by 



different ones, - - - , - 5°^ 

 on the transmission of terrestrial scattered light through va- 

 rious substances, - 5 2 & 



•- on the scattering of terrestrial light by various substances, 5.33. 



spontaneous, experiments and observations on the kind of 



light so called, - - - - 161 



