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CONTENTS. 



PART the Firft. 

 SECT. I. 



Page 



Method of catching and prefer ving Insects for 

 Colleelions. ■ » i 



SECT. II. 



Method of prefer ving Birds and other Animals. 12 



SECT. III. 



Directions for bringing over Seeds and Plants 

 from difiant Countries. — — — 21 



SECT. IV. 



Method of analyzing Medicinal Waters. 28 



SECT. V. 



Experiments on the Contents of the Air. 36 



A 2 SECT, 



