571 



INDEX. 



CHAPTER I. 



Classification of the Animal Creation . 



PAGE 



1 



CHAPTER n. 



Rhizopoda ..... 

 Aniccba ..... 

 Rhizopods . . . . 



Foraminifera 



Phosphorescence of the s ea . 

 Xoctiluca miliaris 

 Importance of the Rhizopods in creation 



CHAPTER HI. 



Spono:es ....... 



History of the sponge 



Dr. Grant's observations on a living sponge 



Orisrin of flints ..... 



19 

 20 

 21 

 22 



CHAPTER IV 



Infusoria ^Ciliated animalcules) . 



Remarkable mode of propagation . 

 Importance in the economy of nature 



24 

 26 

 29 



CHAPTER V. 



Hydrozoa 



Indefinite- reproduction 



Lasso threads 



Club hydra 



Tube hydra 



Sea wreaths 



Bell corallines . 



Acalephoe . 



. 30 

 . 32 

 . 33 

 . 34 

 . 35 



35,36 

 . 37 



37,38 



