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Boy a eis 
PRICE 1s, 
eee ce ))6 NOVEMBER 1, 1866. © von” « 
| NEW SERIES.—No. 4. 
| | THE ° i 
TECHNOLOGIST: 
Accord of Science, 
PROGRESS, LITERATURE, AND PRACTICAL 
_ APPLIANCES. 
CONTENT S.. 
Ox OzoNE AND 11S RELATIONS TO ANIMAL CHARCOAL, By T. W. 
TOBIN .. 157 
Cocoa (Theobroma Cacao, Ly “By Jonn RB. Jackson, Conator 
oF THE Museum, Knw GaARDENS.. ; a Hes tae baw 
Socian Science CONGRESS hi 174 
WHAT IS THE DuTY OF THE Morier CountRY AS REGARDS 
THE PROTECTION OF INFERIOR RACES IN HER COLONIES 
AND DEPENDENCIES? . gk one ue et Oo 
THe PREVENTION OF INPANTICIDE eee fhe hh ee 
Tue PoLLuTION OF RIVERS Ap ne ae <.. 184 
DWELLINGS FOR THE WorKING CLASSES ne suis EOE 
OysTteR CULTURE IN EN@LAND .. a oa tts ise EGO 
Krurpr’s Steen WORKS ‘AT Essen aah ah Br ty A piven 0) 
IMPORTANCE OF Rags... Ai tg hs a he on Oe 
REVIEWS : ee 
Tur CARBONISER aie many 2O4 
JuLius CamsaR: DID HE Cross THE CHANNEL? a 205 
Boutin MANURE ; BEING THE OFFICIAL REPORT OF THE Boutin 
Manure Company (LIMITED... ee dee ie .. 207 
Tue PeN,—1Ts CONSTRUCTION AND Use su, a he eek 
BOOKS RECEIVED... © ose tee ee eee wee seh 20S 
LONDON: 
KENT & CO. PATERNOSTER ROW. 
All Communications and Books for Review to be addressed to the Editor, 
care of M‘GowaN anD Danks, 16 Great Windmill Street, W., Haymarket. 
