One of the most characteristic features of hormones is that they produce their effects in parts of the body other than those from which they are secreted, and reach their site of action by means of the body fluid.

Hormones of Insects contain scientific analysis of the following topics: The Protohormones; The Exhormones; Neurohormones; Pheromones and Allomones; Incompletely known substances with Allegedly Hormonal Characteristics; Hormones and Diapause; The Metamorphosis Hormones etc.

The book will certainly prove informative and useful for teachers, students and researchers.

Introduction to Butterflies under presents a very enchanting and colourful world of Butterflies in a superb detailed manner corroborated by photographs, line drawings which has made the book more interesting.
The book is an accessible and authoritative guide on Butterflies. Each title in the series helps readers obtain general and specific information about a wide variety of topics in Entomology. The book provides a nucleus around which a teacher can draw a course without even consulting complementary and supplementary readings available on the subjects.
Partial Contents: The History of Butterflies, Genetics of Butterflies, Evolution of Butterflies, The Anatomy of Butterflies. The Classification of Butterflies, Migration, Allelomorphs in Butterflies, etc.
The book will be of special interest to general Entomologist and students of Agricultural Entomology will find in the book latest information on the subject. It will be equally beneficial to teachers, and research scholars in Entomology in particular.

Insect of Past and Present discusses the possible origin of the Insects, that is, the evolutionary relationship of this group with other arthropods. The book makes a very fascinating study in a very origanized and systematic manner. The timely publication of the book meets the demand of a large number of readers. It has thrown abundance of light on evolution of arthropods, diversity of insects, acquatic insects, brachiopods, etc. based on authentic sources and views. Due to the enormous information in the book it an act as nucleus on the basis of which the teachers can plan various courses without seeking help from other sources.

Contents: (1) Evolution of Arthropods (2) Diversity of Insects (3) Acquatic Insects (4) Brachiopods (5) Fossil Arthropod (6) Periplaneta Americana (7) Limulus.
The volume will prove a valuable text for students of Agricultural Entomology, general entomologist, teachers, and research scholars.

Insects and Pesticides is a fascinating title which has been carefully organised to meet the long-felt needs of increasingly large number of those who deals with different aspects of entomology.

The primary aim throughout has been clarity so as to make the text selective and meaningful.

The main topics scientifically dealt in the book are: How to know about Pesticides; Resistance to Chemicals; Weed Killers; Herbicides and their Actions;

Fungicides and their Actions; Insecticides; Insecticides and their Applications; Effects of Pesticides on Life; The Physiology of Insecticides Resistance by Insects; Air Pollutants; Water and Soil Pollutants, etc.
The book will certainly prove of utmost use to teachers, students and researchers.