TEACHER'S LEAFLETS 



FOR USE IN THE PUBLIC SCHOOLS. 



rREPARED BY 



No. 11. 

 APRIL, 1898. 



THE COLLEGE OF AGRICULTURE, 

 CORNELL UNIVERSITY, 



ITHACA, N. Y. 



Issued under Chapter 67, 

 I,aws of 1898. 



I. P. ROBKRTS, Director. 



Life in an Aquarium. 



BY MARY FARRAND ROGERS. 



HERE is no more fascinating adjunct to 

 nature study than a well-kept aquarium. It 

 is a never ending source of enjoyment, 

 interest and instruction to students of any 

 age. Children in the kindergarten or at 

 home will watch with delight the lively occu- 

 pants, cutting all sorts of queer capers for 

 their amusement, and older people may read some of nature's choicest 

 secrets through the glassy sides of the little water world. To many, 

 the word aquarium suggests a vision of an elaborately constructed 

 glass box, ornamented with impossible rock-work and strange water 

 plants, or a globe in which discouraged and sickly looking goldfish 

 appear and disappear, and take strange, uncanny shapes as they dart 

 hither and thither. 



Such forms of aquaria have their place in the world, but they 

 are not suited to the needs of an ordinary school room. Every 

 school may have some sort of an aquarium if the teacher and 

 pupils are willing to give it some daily thought and care. With- 

 out such attention a line aquariurp may become an unsightly and 



