XXli PREFACE. 



cessible; and to ascertain, by the public recep- 

 tion of this first part, whether it will be expedient 

 to e-ive the remainder that extension which was at 

 one time contemplated, or to contract it within 

 narrower limits. A history of Entomology, and a 

 complete list of entomological works, (for which 

 last Mr. Dryander's admirable catalogue of Sir 

 Joseph Banks's library affords the fullest mate- 

 rials,) entered into the original plan, and the 

 rough draught of both is completed; but whether 

 these (which are not essential to a work of this 

 nature) will be published, must depend upon the 

 judgement of the public as to the value of that 

 portion now submitted to them. 



The contents of the remaining volumes will be 

 nearly as follows. Societies of Insects, including 

 the History of Ants, Wasps, Bees, &c. Motions 

 of insects. Noises of insects. Means of defence 

 from their enemies. Luminous insects. Hyber- 

 nation of insects. Instinct of insects. Definition 

 of the term Insect. States of insects — &gg; Larva ; 

 Pupa ; Imago. Their general exterior Anatomy 

 — Head; Trunk; Abdomen. Their interior Ana- 

 tomy and Physiology — Sensation ; Respiration ; 

 Circulation; Digestion; Secretion; Generation; 

 Diseases, &c. Senses of insects. Orismology and 



Definitions of terms. Characters of insects * 



Class, Order, Family, Genus, Species, Variety. 



