Practical Zoology: Invertebrates

By Austin McCarthy
313
2026

Description

Practical Zoology: Invertebrates serves as the definitive, definitive roadmap for exploring the complex, microscopic, and fascinating world of non-backboned organisms. This comprehensive text bridges the gap between theoretical classroom lectures and hands-on laboratory exploration, making it an indispensable companion for biology students, researchers, and educators alike. Structured with immaculate attention to detail, the book systematically guides readers through the diverse phyla of the invertebrate kingdom from the simplest single-celled protozoans to the highly evolved and complex echinoderms and arthropods. Each chapter is designed to build a profound understanding of animal architecture, evolutionary adaptations, and ecological significance. This book features highly detailed, hand-drawn, and labeled illustrations that bring microscopic structures and internal anatomies to life, ensuring precision during laboratory dissections and observations. Provides clear, methodical instructions for culture preparation, mounting, staining, and dissecting various invertebrate specimens safely and effectively. Highlights the structural and functional evolutionary milestones that allowed invertebrates to conquer almost every habitat on Earth. Offers updated classification schemes and diagnostic features for every major and minor phylum, helping students easily identify and categorize specimens. Practical Zoology: Invertebrates is an invitation to look closer at the hidden wonders of the natural world. It equips aspiring zoologists with the critical observation skills, technical expertise, and analytical mindset required to excel in the biological sciences.

About Author

Austin McCarthy, PhD, FLS, is a distinguished evolutionary biologist, field zoologist, and educator who has dedicated over three decades to unearthing the mysteries of the invertebrate world. Dr. McCarthy earned his Bachelor of Science in Biology with First-Class Honours from the University of Washington, where his early research on marine polychaetes garnered national undergraduate recognition. He subsequently moved to the United Kingdom to pursue his Doctorate in Invertebrate Zoology at the University of Oxford, focusing on the functional morphology and evolutionary transitions of terrestrial arthropods. His seminal doctoral thesis on the micro-anatomical adaptations of subterranean arachnids remains a highly cited work in evolutionary biology. Upon completing his post-doctoral fellowship at the Smithsonian Institution, Dr. McCarthy joined the faculty at the prestigious Institute of Advanced Zoological Studies. Over his tenure as Professor Emeritus of Invertebrate Taxonomy, he has mentored generations of undergraduate and postgraduate students. His teaching philosophy balances rigorous academic theory with immersive, hands-on laboratory exploration—a methodology that serves as the absolute backbone of Practical Zoology: Invertebrates. Beyond the lecture hall, Dr. McCarthy is a seasoned field explorer. He has led over twenty major scientific expeditions funded by the National Science Foundation and the National Geographic Society, navigating environments ranging from the dense rainforests of Madagascar to the hydrothermal vents of the Galápagos Rift. His fieldwork has resulted in the classification of over forty previously unknown invertebrate species, including a rare genus of deep-sea isopods named Bathynomus mccarthyi in his honour.

Table of Content

Preface
Chapter 1. Introduction to Practical Zoology 

Objectives and Scope of Practical Zoology 
Laboratory Safety and Ethical Considerations 
Instruments and Equipment in Zoological Studies 
Preservation and Fixation Techniques 
Dissection Methods and Handling of Specimens 
Microscopy and Micrometric Measurements 
Scientific Drawing and Record Maintenance 
Applications of Practical Zoology 

Chapter 2. Protozoa 
Classification and Diagnostic Characters 
Laboratory Study of Amoeba 
Structure and Locomotion in Paramecium 
Nutrition and Reproduction in Protozoans 
Encystment and Life Cycle Patterns 
Parasitic Protozoa and Laboratory Identification 
Staining Techniques for Protozoa 
Medical and Ecological Importance 

Chapter 3. Porifera and Coelenterata 
Diagnostic Characters and Classification 
Laboratory Study of Sycon 
Canal System and Skeletal Elements
Structure of Hydra 
Body Wall and Nematocysts 
Reproduction and Developmental Stages 
Identification of Representative Specimens
Practical Significance and Applications 

Chapter 4. Platyhelminthes and Nemathelminthes 
General Characteristics and Classification 
Laboratory Study of Planaria 
Parasitic Adaptations in Flatworms
Structure of Ascaris 
Digestive and Reproductive Systems 
Life Cycles of Parasitic Forms 
Slide Preparation and Identification 
Economic and Health Importance 

 
Chapter 5. Annelida 
Diagnostic Features and Classification 
Laboratory Study of Earthworm 
External Morphology and Segmentation 
Digestive and Circulatory Systems 
Excretory and Nervous Systems 
Reproductive Organs and Development 
Dissection Techniques and Observations 
Ecological and Agricultural Importance 

Chapter 6. Arthropoda 
General Characteristics and Classification
Laboratory Study of Cockroach 
External Morphology and Appendages 
Digestive, Respiratory, and Circulatory Systems

Chapter 7. Mollusca 
Diagnostic Characters and Classification 
Laboratory Study of Pila 
Shell Structure and Mantle
Digestive and Respiratory Systems 
Circulatory and Excretory Organs 

Chapter 8. Echinodermata 
General Characteristics and Classification 
Laboratory Study of Starfish 
Endoskeleton and Body Symmetry 
Water Vascular System 
Digestive and Respiratory Structures 

Bibliography 
Index