"Deum timeto: regem honorato: virtutem colito disciplinis
bonis operam dato."--_Stat. Acad. Cantab._
Cambridge: JOHN DEIGHTON.
Sold in London by LONGMAN & CO.; F. & J. RIVINGTON; WHITTAKER & CO.;
SIMPKIN & CO.; JOHN W. PARKER & SON; GEORGE BELL; and by DEIGHTON &
LAUGHTON, Liverpool.
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NEW ACHROMATIC MICROSCOPES on MR. PRITCHARD'S Construction, Micrometers,
Polarizing Apparatus, Object-glasses, and Eye-pieces. S. STRAKER
supplies any of the above of the first quality, and will forward by post
free a new priced List of Microscopes and Apparatus.