Insects Employed in Medicine, or as Pood, and otter 

 Insects useful to Man, 



Spanish Flies Cantharides Their J\/fedical (Properties 

 Cantharidine Cantharides in (Poitou (Different 

 Species of Cantharides (Discovery of Cantharidine 

 injrfeloe The ]\^eloe, or Oil fjeetle -JVLetamorphoses 

 ofjvleloe and Sitaris Cetonia jfturata Ooccinella 

 Trehala Ifaprestis jlnts Formic andJVLalicjlcids 

 in Jints (Production of J\ilk from the Eg-g-s of Jlnts 

 ftnts which collect (Precious Stones 'dCermes as an 

 Article of Food, etc. Locusts and Oicadcs -jlcrydium 

 misrratoriu'm, ^he Ethiopian jlcrydophag-hi Ci- 

 cada septemdecim, ^ug-s and Fleas Southey 

 (Phtirophag-hi ftranea edulis Centipedes The 

 Jvfexican Ijoat Flies Beetle used for Soap Calan- 

 dra granaria (Presence of Tannic and G-allic jlcids 

 in this Beetle Fire Flies Truffle Flies The Com- 

 mon House Fly, etc. Remarkable Action of Lig-ht 

 upon Animal Life Grrowth of Insects under the 

 Influence of differently Coloured Lig-ht. 



