374 Index. 
RUHEMANN, 8., On Acetone, 212. 
On Nitrogen atom, 343. 
Saliva, 221. 
SEARLE, G, F. C., 321. 
Secreting hairs, 82. 
SeDewick, A., On Peripatus, 27. 
Self-induction, 98. 
Series, semiconvergent, 362. 
Shafting, impulsive stress in, 287. 
Saaw, W. N., Frequencies of high Notes, 90. 
Resolving power of telescope, 98. 
— On self-induction, 98. 
SHEPPARD, W. F., 27. 
Sureiey, A. E., On Peronospora Schleideniana, 127. 
—— On destructive beetles, 335. 
Body cavity and vascular system, 213. 
SHorE, L. E., 348. 
SKINNER, 8., Heat of mixture, 212. 
On change of citric acid to pyrrol, 343. 
Solutions, creeping of, 211. 
and crystallization, 221, 306. 
effect of current on saturated, 223. 
Spherical harmonics of second kind, 293. 
Spiders, 128. 
~_ list of species, 299. 
Splachnum luteum, 302. 
Sponges, physiology of, 183. 
Steel, physical properties of, 174. 
Steropus madidus, 245. 
STOKES, Prof. Sir G. G., On semi-convergent series, 362. 
Struvite and micro-organisms, 360. 
Supernumerary rainbows, observations of, 281. 
Surface tension, 179. 
and chemical action, 264 
Tamus Communis, 65. 
Telephone, 321. 
Theta functions, expansion of, 96. 
as definite integrals, 129, 
Thin shells, stability of, 204. 
TuHomson, J. J., On faults in magnets, 84. 
On surface tension, 264. 
On the Telephone, 321. 
On Electric strength of gases, 325, 
THoMsoN, Sir W., awarded Hopkins prize, 343. 
