By J. O. WESTWOOD, F.L.S.
HON. MEM. LIT. HIST. SOC. QUEBEC; MEM. SOC. CÆS. NAT. MOSCOW; PHYSIOGR. SOC. LUND;
SOC. ROY. SCIENC. LILLE; SOC. HIST. NAT. MAURITIUS; SOC. CUVIER. PARIS;
PLIN. SOC. EDINBURGH; LIT. PHIL. NAT. HIST. SOC. BELFAST, RICHMOND, sheffield;
MEM. SOC. ENTOMOL. DE FRANCE; SECRETARY ENT. SOC. LONDON, ETC.
"Empirici, formica more, congerunt tantum et utuntur: rationales, aranearum more,
telas ex se conficiunt: apis vero ratio media est, quæ materiam ex floribus horti et agri elicit ;
sed tamen eam propria facultate vertit et digerit."- BACON, Nov. Org. lib. i. aph. 95.
LONGMAN, ORME, BROWN, GREEN, AND LONGMANS,