SYNOPSIS 



OF AN AREANGEMENT OF 



INVEKTEBKATE ANIMALS. 



Jfirst Cable Case. 



The Mark ^ indicates specimens or other illustrations exhibited in the Cases, 



Sub-kingdom PROTOZOA. 



TrpooTog, first ; ^oiov, animal. — Lowest forms of animal life. 



Group 1. — Class MONERA (Haeckel). |U,ovoj, only; peco, 

 I floiv. Living gelatinous matter extending over vast 

 areas of the ocean bed at great depths. 



IT Drawing of Bathybius haeckelii, Huxley, en- 

 closing coccoliths. 

 Class GREGARINIDA (Leon Dufour), grega- 

 rius, occurring in numbers together. Found chiefly 

 in the intestines of insects and worms. 



^ Drawings illustrating reproductive phenomena 

 in GregarincB. Section exhibiting Eozoon. 

 Many minute aquatic organisms of very simple structure, but of 

 active habits, are here left unnoticed, as belonging probably to 

 the Vegetable Kingdom, or as of uncertain development. 

 B 



