—— eS Jad 
es 
PREFACE. 
THis work forms the first part of CHAmBrrs’s Crass-Boox or 
Scrence AND LireraTuRE. It embraces original lessons on Puysics, 
Human Puystotoay, ZooLtocy, Gronocy, and Botany. Each of 
these subjects is illustrated by wood-cuts, and the Geoloey is 
accompanied by a Geological Map of the British Islands. All 
technical terms are explained, and their derivation given. 
