FLIGHT OF BUTTERFLIES. 



tion for the student of natural science, is the possession of that sacred fire which 

 imparts the energy and perseverance necessary for acquiring and enlarging 

 collections. It is also necessary that the investigator should furnish himself 

 with certain indispensable tools. For collecting plants, the botanist should be 



armed with a pickaxe set in a thoroughly strong handle, a trowel, of which 

 there is a variety of shapes, and a knife with a sharp blade. A botanical 

 case must also be included, for carrying the plants. The geologist, or 

 mineralogist, needs no more elaborate instruments ; a hammer, a chisel, and 

 a pickaxe with a sharp point for breaking the rocks, and a bag for carrying 



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