No. LXXIX—VOL. VII. \ FEB RU ARY 1. 1867. iota 1s, 
NEW SERIES.—No. 7, 
THE 
TECHNOLOGIST. 
A MONTHLY 
Record and Rebiety 
OF SCIENCE, LITERATURE, AND ART. 
CONTENTS, 
APFINITY AND Haat. “By H. St. CLArre Daviix ae : ; 
“ON THE CAUSE oF EXPLOSIONS IN Lamps . 
Tue Risk AND PRoGREsS OF ENGLIsH POETRY. By Hosa 
=f <> -Boyur,: M.A. ee ‘ : ; ; 
PRACTICAL PaPpER MAKING j ; : 
Pine APPLE (Ananassa Sativa). 2 . 
Dtatoms. By ANDREW WAINE ; 
- On tHE Jenrring PoINT oF PETROLEUM. ‘By JouN: Anrpturp, 
M.D; FCS. 
WHETHER THE SUPPLY OF Fis FROM THE Sra. FIsHERies OF 
Great Briratn ts INCREASING, STATIONARY, OR DIMINISHING ? 
Reviews -—DIVINE ORIGIN OF MNEMONICS. By WILLIAM STOKES 
c ELEMENTS oF ITALIAN GRAMMAR ; : ; : 
COSMOPOLITAN SKETCHES . ; : : 
HARDWICKE’S. SCIENCE GOSSIP: . : : 
THE ARTIZAN 
THE DISTINCTIVE CHARACTERS ‘OF THis PRINCIPAL 
British NaTuRAL ORDERS OF PLANTS . ‘ ; 
Ou! Meer Me AT THE SiItE,. A Baap : : 
CoRRESPONDENCE :—Tus DyNaMIcAL THEORY OF ‘ELECTRICITY 
ibe eleonaaee —Powsr or CoaL. g ; 
PHOTOGRAPHING UNDER THR SEA ee 
Books Curt orn Uncut rar 
A NEw SUBSTITUTE FOR Conbopion . : : 
CHRISTMAS JUVENILE LECTURES. 
“ANSWERS TO CORRESPONDENTS. = 2. ; 
ts } LONDON: 
Hee: & -COO,; PATERNOSTER ROW. 
All Comsainieations and Books for Review to be addressed to the Editor, 
30 Dorset Square, Regent's Park, 
