232 Kansas Academy of Science. 



logical science require the furtherance of mutual relations between 

 collector and research worker, since one needs the other's help. 

 In exchange for his duplicate specimens sent to one or more au- 

 thorities, the collector learns the names of the species, or perhaps 

 a greater part of them, when reported upon, which service, together 

 with his collecting records, places him in possession of a fund of 

 scientific information that might ultimately be embodied in respect- 

 able lists for publication. 



