CONTENTS 



Preface v 



Section 1: Introduction 1 



Section 2: Presentation of Data: A Table of Respiratory Rates of Invertebrate Tissues 7 



Porifera 9 



Demospongiae 9 



Coelenterata 11 



Hydrozoa 11 



Scyphozoa 11 



Anthozoa 11 



Aschelminthes 11 



Nematoda 11 



Mollusca 15 



Gastropoda 15 



Pelecypoda 21 



Cephalopoda 33 



Annelida 39 



Polychaeta 39 



Clitellata 41 



Arthropoda 43 



Merostomata 43 



Crustacea 45 



Insecta 55 



Echinodermata 73 



Holothuroidea 73 



Section 3: Analysis of Data 75 



Effects of Certain Inhibitors on Respiratory Rate 75 



2, 4-Dinitrophenol (DNP) 75 



Carbon Monoxide (CO) 75 



Cyanide 75 



Antimycin A 76 



Comparison of Respiratory Rates of Various Tissues 76 



Sex Differences in Respiratory Rate 77 



Variation in Respiratory Rate with Age 78 



Variation in Respiratory Rate During Crustacean Molt Cycle 78 



Variation in Respiratory Rate During Insect Life Cycle 78 



Variation in Respiratory Rate with Season 79 



Variation in Respiratory Rate with Salinity 79 



Effects of Various Ions on Respiratory Rate 79 



Gradient of Respiratory Rate Along Long Axis of Body 79 



Gradient of Respiratory Rate Along a Nerve 79 



Respiratory Rate After Removal of Endocrine Organs 80 



Respiratory Rate Following Injury 80 



U 



ix 



8176^^ 



