CONTENTS. 
The Minerals of some Sands ‘mae Gr aes: mean ry ewmar het. ® R. A. 
-Rastaun 
; Dbommnore on Polypore) squamosus, Huds. Preliminary cCamiaues: etn 
x EBB. 
Note on, the respirators y movements of Torpedo ocellata, By Ge Rae 
cation. By S. Regina PRICE 
MINES.” _ (Plates TIT and AN Si oe oe 
The Atonae Constants and the Pr oper ties of Substances, By R.  D. i 
- KLEEMAN . 
“Note on the effect of heating par afor Pee with a tro ace of sulphur ve : 
acid. By J. G. M. Duntor 
The Ouidation of Ferrous Salts. By a R ENNOS. Coma by | 
a Ma Cant. Hnycock) let ; ; Nae ee 
AS imple Method of determanang the Viscosity of Aire were x a 
SEARLE, (Two figs. in Text) ; ‘ 
The Swarming of Odontosyllis. By F. A. Ports. (One fig. in Text) 
Further applications of positive rays to the stud oT] ui chemieah prema ay 
By Professor Sir J.'J, THoMsoNn 
i The chemical and bacterial condition of the Cum above and below che re 
sewage effluent outfall, By J. EK. Purvis and A. E. BayNen : 
cyclo-hezanone-4-carboxylic acid, By W. H. Minus and Miss = MM 
Barn ie : : : ; ‘ ; ‘ me 3 
The ten Sieranisiner ne Tetr ahy, yelroquinaldinometh vlenazampors By 
Professor Port and J. Reap . 
Experiments illustrating flare oe OD photo ae ay. By G. gE © 
SEARLE. (Six figs. in Text) , ; e ; i 
eft A a be ee ote ORO Pe ee 
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161 
On the optically active senicarbazone and benzo ylpheng yh yer azone oF aba 
