LIST OF ILLUSTRATIONS 



(By MISS E. L. SHINNJE) 



FIG. PAGE 



1. Male and female Bird of Paradise (after 0. 



Hertwig) 17 



2. Male and female spider (after Vinson) . . 18 



3. The Bell-animalcule Vorticella ... 22 

 4a, 4ft, 4c. Volvox colonies : Asexual, female and 



male (after Klein) 24, 25 



5. Ovum and spermatozoon (after E. B. Wilson) . 35 



6. Fertilisation in Adder's Tongue Fern (Ophio- 



glossum (after Bruchmann) .... 36 



7 . Diagram of a flower (after Sachs) ... 37 



8. Freshwater Hydra 46 



9. Fertilisation of eggs of Starfish (after Fol\ . . 48 



10. Male and female of Crested Newt (from specimens) 51 



11. Male and female Bonellia (after Lacaze-Duthiers) 58 



12. Male Sea-horse Hippocampus (from a specimen) 65 



13. Male and female Hercules beetles (/row specimens) 66 



14. Male and female fish, Phallostethus (after C. 



Tate Regan) ' . .70 



15. Forms of abdomen in female, male, and para- 



sitised male crab (after Geoffrey Smith) . . 84 

 16 Male crab, Inachus, parasitised by Sacculina (after 



Geoffrey Smith) 86 



17. Female Paper Nautilus, Argonauta argo (from 



a specimen) ....... 89 



18. Male Argonauta argo (after Muller) ... 90 



19. Male spiders, posing and dancing (after Prof. 



and Mrs. Pekham) . . / .129 



20. Female spider carrying her cocoon (after 



Blackwall) .... . ' . 133 



