GENERAL OBSERVATIONS AND SKETCHES AFIELD 291 



The little white and yellow butterflies are fairly dancing in 

 the air just above the herbage, undecided just where to rest. 



The great army of locusts, Melanopli, the common horde 

 of grasshoppers, shoot up from the earth, scattering before each 

 footfall. In the next moment comes the exquisite Turnus 

 butterfly, not the least In a hurry, for lobelia's blossoms are too 

 much of an inducement to pass over. Few views can compare 



The Varied-vyinged Locust (Arphia xanthoptera) . Its 



clattering notes recall the visits to the pastures 



and meadows in August, 



with this rare scene of vital activity, especially with this yellow 

 and black swallow-tail among a clump of these blue flowers. 

 One is hardly lost in thought before up from the herbage is 

 startled the green Texan katydid. He is one of the commonest 

 species, yet how few of us know him intimately. There he 

 flies with a slight up-and-down motion, keeping just above the 

 tops of the plants, dropping about ten yards away. One 

 finds, on following him, that in his descent he has caught In 



