VIII 
CONTENTS. 
Page 
M. Ferki^re on Photographs upon Albumen . 67 
Mr. David Forbes on the Chemical Examination of some Alloys of Copper 
and Zinc . .... '.‘ ‘ g^ 
Z7. ~ ~ ~ the Occurrence and Chemical Composition of some 
Minerals horn the South of Norway... 67 
Mr. J. P. Gassiot on the Heating Effects of Secondary Currents. 68 
"-SKiraffSM5S2S“. 
Salts... , ' IC p hiorcsecnce exhibited by certain Iron and Platinum 
.... 68 
C ° ncentratiou of Alcoho ‘ »• Summering’. Experi- 
M FiSh I Mrat LTON ° n the Results of Experiments on the Preserration of 
Q . 69 
in th e M application of PhoEo^aphy &J 
poses in the Army anti °Nayy\ ° f ni>p,yin 8 Photography to War pur- 
M, Henry How o» the AfauZZIII H 
My. a Kn1 on a Stereoscopic Co8mM . omic ^ . _ o 
Sugar in Food?..™, 1 , D ' % J ' Hl 0lL11 " l,T on the Equivalency nf Starch and 
—. 70 
of estimating. Ammonia and XuZS&g&r* *' 
Kn^,r t !“ D , i ^“ a ™ of fodinc in thr Mineral. Y’ege' ^ 
'■■»c;.;,f| :.c!„ : „|.of the Phtnnumnn. exhibited hy'ihe 
- -"'tor™*** 73 
Mr. E. C K N,°I™”° n «f Milk . 74 
Mr. David S p ^ te of p <*n*h .. . Prt P^at,on of the Standard 
ing the 'inantit^of PhoHnL! U1>POS ^ “flueneu of‘the li' V to'. . 74 
Mr. Joseph Si*pm Phorus in Cast Iron Mot-Blast m augment- 
Conibustiou of Coid ° 1 ' ,he Pro ‘1uction of Sulohnl .!"• . ' 4 
Mr. W. Symons on .^Iphurous Acid Gas from the 
Professor J. Tew ? E,ectri ®»l Batten-. . 75 
Mr. James Tmv * NT ° U t,le ^"Cutting of the fc 1 xt . 75 
Pounds of the Organic It Jr* Physiological p rouei 2’ NOOr I)ialllon,, . 75 
m y *• ^AR, N . GT ^ m o C ^ d,CRl8 -M ( , hy le. EthJCSS ^^oftheCom- 
Volcmc Action Z™** ' rod '* t ™ of Bo^ t f . 76 
----- 0n . ... AcuI •"«! Ammonia by 
**> .o« the Effect of Coloured Ml',**.~ 76 
...^ on ll, e Growth of Red 
. 77 
