52 



sitic species find their hosts, as Pierce ('04) has shown' to be the case 

 I'n the rhipiphorid genus Myodites. Rhipiphorus is probably parasitic. 



6. Supplementary Collections from Station I 



In addition to the specimens given in the preceding lists for Station 

 I there are others, general collections from this area, which should be 

 listed for this prairie. For details concerning each species of the fol- 

 lowing consult the annotated list. 



II. Prairie Area near Loxa, Illinois, Station II 



This station includes patches of prairie along the Cleveland, Cin- 

 cinnati. Chicago and St. Louis (Big Four) railroad right-of-way be- 

 tween Charleston and Mattoon, 111., and about one mile west of 



