83 



south. In his opinion this was not estabh'shed, the records 

 being often very unreliable. He did not dispute the going 

 north ; the species would lay their eggs which would produce 

 a brood to carry on the migration, until in autumn the species 

 had reached far up towards the Arctic regions. As regards 

 the south movement, he would say that the species often 

 collected in countless numbers on the prairies in autumn, and 

 no doubt were often driven many miles by storms. Mr. 

 Mansbridge said there was no evidence of a return being 

 made. 



Mr. Tutt then read a paper entitled, " Zygxna niedicaginis , 

 Bdv." (p. 107), and exhibited a large number of specimens to 

 illustrate it. 



