CONTENTS. 



GENERAL PART. 



FAQE 



I. Cells and Tissues (Histology) 3 



n. Organs 13 



1. Skin 14 



2. Skeleton 15 



3. Mnscxilature 16 



4. Nervous system 17 



5. Sense organs . 18 



6. Alimentary canal 23 



7. Vascular system 25 



8. Respiratory organs . . . 27 



9. Excretory or urinary organs . 30 



10. Eeproduction and reproductive organs . . 31 



11. The relations of the organs to one another. — The body cavity . 39 



12. Rudimentary organs. . . 40 



III. Fundamental Form and External Configuration of the Body . 40 



IV. Embryology or Ontogeny 42 



V. Afanities of Animals— Classification— The Doctrine of Descent . 53 



VI. Biology 58 



1. Dispersal of animals .... .... 58 



2. Different kinds of food and their effect on the form of the 



body. — Parasitism 62 



3. Different kinds of locomotion. — Their effects upon the structures 



of animals. — Sessile forms . . 65 



4. The transforming effects of the environment . ■, . 66 



5. Stages of life. — Duration of Me , . 68 



6. Protective adaptations ... 70 



7. The power of resisting unfavourable conditions 72 



VII. Geographical Distribution .... 73 



VIII. Geological Distribution . 76 



Appendix. — Resemblances and differences between plants and animals 80 



