Contents: Acknowledgements. Classification adopted. 1. Introduction: i. Diagnosis. ii. Zoological position. iii. Instinct and habit. iv. Classification. v. Number of species. vi. Nomenclature. vii. Identification. viii. Entomology in India. ix. Zoo-geographical divisions. x. Food and habitat. xi. Insects and man. 2. Aptera. 3. Orthoptera: i. Where insects live. ii. Cosmopolitan insects. iii. Deceptive colouring. iv. Attraction to light. 4. Neuroptera: i. ...
