NOTICE RESPECTING VOL. I. and II. AN INTRODUCTION TO ENTOMOLOGY. LETTER XXVIII. DEFINITION OF THE TERM INSECT. LETTER XXIX. STATES OF INSECTS. EGG STATE. LETTER XXX. STATES OF INSECTS. LARVA STATE. LETTER XXXI. STATES OF INSECTS. PUPA STATE. LETTER XXXII. STATES OF INSECTS. IMAGO STATE. LETTER XXXIII. EXTERNAL ANATOMY OF INSECTS. TERMS, AND THEIR DEFINITION. LETTER XXXIV. EXTERNAL ANATOMY OF INSECTS. THE HEAD, AND ITS PARTS. LETTER XXXV. EXTERNAL ANATOMY OF INSECTS , CONTINUED. THE TRUNK, AND ITS PARTS AND ORGANS. LETTER XXXVI. EXTERNAL ANATOMY OF INSECTS CONTINUED. THE ABDOMEN, AND ITS PARTS. |