CONTENTS 



PAGE 



INTRODUCTION . . . . . . 1-15 



CHATTER I. 

 The Common Frog External Features ; Muscles ; Skeleton . 16-37 



CHAPTER II. 



The Frog (continued] Internal Anatomy ; Coelom ; Lymph ; 

 Gut ; Lungs ; Spleen ; Kidneys ; Reproductive Organs ; 

 Heart ; Arteries ; Veins ; Capillaries ; Circulation of Blood ; 

 Nervous System ; Spinal Cord ; Brain ; Cranial and Spinal 

 Nerves ; Sympathetic System ; Organs of Special Sense . 38-72 



CHAPTER III. 



Histology ; Blood ; Protoplasm and Cells ; Structure of Cell ; 

 Epithelia ; Nerve Cells and Fibres ; Muscular Tissue ; Con- 

 nective Tissue ; Cartilage ; Bone ; Adipose Tissue ; the Cell 

 Theory ; Mitosis ; Maturation of Ovum ; Spermatogenesis ; 

 Fertilisation ; Segmentation of Ovum ; Early Stages of 

 Development ...... 73-128 



CHAPTER IV. 



The Rhizopoda, Amoeba proteus ; Structure of Amoeba ; Structure 

 of Protoplasm ; Pseudopodial Movement ; Life Conditions 

 of Amoeba ; Reproduction of Amoeba ; Groups of Rhizo- 

 poda ; Formation of Chalk ... . 129-144 



CHAPTER V. 



The Sun-Animalcule ; Actinospruerium Eichornii ; Structure of 



Actinosphoerium ; Reproduction; Mitosis; Encystment . 145-153 



CHAPTER VI. 



The Mycetozoa, Badhamia utricularis ; Plasmodium ; Sclerotium ; 

 Spore Formation ; Flagellulae ; Amoebulre ; Affinities to 

 Plants. ....... 154-160 



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