UNIT-I: INTRODUCTORY
UNIT-II: METHODOLOGIES AND PROCEDURES
UNIT-III: TAXONOMIC CHARACTERS
UNIT-IV: INDENTIFICATION
UNIT-V: NOMENCLATURE
UNIT-VI: CLASSIFICATION
UNIT-VII: HIERARCHY OF CATEGORIES
UNIT-VIII: LEVELS OF ORGANIZATION
UNIT-IX: BIODIVERSITY
UNIT-X: TAXONOMIC PUBLICATIONS
Bibliography
Glossary 
Author Index 
Subject Index