LIST OF ILLUSTRATIONS. 



FIG. 

 I. 



2. 



3- 



4- 

 5- 



7- 



8. 



9- 



lO. 



ir. 



12. 



13- 

 14. 



15- 

 16. 



17- 

 18. 



19. 



20. 



21. 

 22. 



23- 

 24. 



25- 



26. 



27. 

 28. 



Nonionina and Gromia, .... 



Wheel-animalcule, ..... 



Ciliated spores of Plants, Volvox globaior, and Euplotes Charon 

 Amceba, ...... 



Actinia mescmbryanthemuvi, and diagrammatic section of the 

 same, ...... 



Diagrammatic section of a Whelk, 



Gregarine, Rhizopod, and Infusorian, 



Hydra vulgaris, and diagrammatic section of the same, 



Holothurian and lan-a, .... 



Diagram of Annulose animal, 



Section of a Cephalopod, .... 



Skeleton of the Common Perch, . 



Fore-limb of Man, Fore-leg of Dog, and Wing of Bird, 



Fairy Shrimp, . . . . . « 



Centipede, ...... 



Arm of Chimpanzee, .... 



Leg of Chimpanzee, .... 



Phyllium siccifoliuni, .... 



Yeast-plant, ...... 



Cells of notochord of Lamprey, . . 



Ovum of Ascaris nigove/tosa. 



Germinating cells of Yeast-plant, . 



Metamorphoses of Butterfly, 



Young of water-breathing Gasteropod and adult Pteropod 



Yonng oi A chtheres, znd 3.diVi\i LerncBa, . 



Diagram of Foraviinifera, 



F lustra hispid a, ..... 



Paramc^ciiim multiplying by fission, . . 



PAGB 

 13 

 15 

 21 

 29 



30 

 31 



35 

 36 

 37 

 33 

 40 



41 



45 

 46 



46 



47 

 47 



53 



72 



73 

 75 

 76 



90 



95 

 96 



99 

 100 



lOI 



