304 APPENDIX. 



tering in the laboratory, and as little as may be of memorized 

 second-hand information in the classroom. Definite results should 

 be required of every excursion made by students to the field. Quiet, 

 careful, and diligent work should be insisted on in the laboratory. 

 Scrupulous neatness should be maintained. Every student should be 

 required to keep his table clean and his specimens fresh, and to 

 entirely remove from the laboratory all materials in his charge that 

 are liable to become offensive. 



Lastly I would urge the teacher to acquaint himself with the entire 

 fauna of his own locality. Doubtless in many localities other types 

 than those mentioned in this book are better and more available for 

 study: such he is recommended to find and use by his friend and 

 fellow-worker, 



THE AUTHOR. 



