TABLE OF CONTENTS 



CHAP. 



I. 



II. 



III. 



IV. 



V. 



VI. 

 VII. 

 VIII. 



IX. 



X. 



XI. 



XII. 



XIII. 



XIV. 



XV. 



XVI. 



XVII. 



XVIII. 



XIX. 



XX. 



XXI. 



XXII. 

 XXIII. 

 XXIV. 



XXV. 



INTRODUCTION 



PHYLUM PROTOZOA 



PHYLUM COELENTERATA 



PHYLUM PORIFERA 



PHYLUM PLATYHELMINTHES 



PHYLUM NEMERTINEA . 



PHYLUM KOTIFERA 



PHYLUM NEMATODA 



INTRODUCTION TO THE COELOMATA .... 



PHYLUM ANNELIDA 



PHYLUM GEPHYREA .... . 



PHYLUM ARTHROPODA 



PHYLUM MOLLUSCA . . . . . . . 



PHYLUM ECHINODERMATA 



PHYLUM BRACHIOPODA . 



PHYLUM POLYZOA . 



PHYLUM CHAETOGNATHA . . .... 



INTRODUCTION TO THE PHYLUM VERTEBRATA, SUB-PHYLA 

 I III, HEMICHORDA, CEPHALOCHORDA AND URO- 

 CHORDA 



INTRODUCTION TO SUB-PHYLUM IV, CRANIATA. DIVISION I. 

 CYCLOSTOMATA , 



CRANIATA. DIVISION II. 



DIVISION I. ANAMNIA. 

 CRANIATA. DIVISION II. 



DIVISION I. ANAMNIA. 



GNATHOSTOMATA. SUB- 

 CLASS I. PISCES 



GNATHOSTOMATA. SUB- 

 CLASS II. AMPHIBIA 



CRANIATA. DIVISION II. 



TION TO AMNIOTA 

 CRANIATA. DIVISION II. 



DIVISION II. AMNIOTA. 

 CRANIATA. DIVISION II. 



DIVISION II. AMNIOTA. 

 CRANIATA. DIVISION II. 



DIVISION II. AMNIOTA. 



INDEX 



GNATHOSTOMATA. INTRODUC- 



GNATHOSTOMATA. SUB- 

 CLASS III. REPTILIA . 



GNATHOSTOMATA. SUB- 

 CLASS IV. AVES . 



GNATHOSTOMATA. SUB- 

 CLASS V. MAMMALIA 



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15 

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 370 

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 381 



385 

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 452 

 519 

 563 

 567 

 606 



636 



728 



