446 



MV GARDEN. 



Our brooks also contain more minute creatures, called Monads 

 (fig- 985)- They are chiefly found in stagnant corners in the lesser 

 streamlets. 



We have likewise the Siagontherium tenue (fig. 986) and Bursaria 

 vernalis (fig. 987), both of which were considered to be polygastric 

 animals. Very little is known either of their struc- 

 ture or natural history, though we may conceal our 



Fig. 986, — Siagon- 

 therium tenue, 

 magnified. 



Fig. 985. — Monads, 

 magnified. 



Fig. 987. — Bursaria vernalis, 

 magnified. 



ignorance by the use of long and repulsive names. 



Fig. 98S.— Stylonichia, 



A very active animalcule called Stylonichia (fig. 988), magnified, 



which moves about in all directions, lives in the stagnant parts of our 

 streams. 



Amongst other infusorial animalcules, 

 we have an interesting creature living 

 in a kind of pot, which is called the 





Fig. 989. — Vaginicola, 

 magnified. 



Fig. qgo. — Vorticella, 

 magniAed. 



Vagmicola (fig. 989) ; but of all this family 

 none is more interesting and beautiful 

 than the Vorticella (fig. 990), which, as 

 seen under the microscope, comes up like a sky-rocket to seize on 

 its prey. It lives attached to the leaves of plants in the river. 



Fig. 991.— Melicerta ringens, 

 magnified. 



