68 University of Michigan 



PLATE II 



Wing photographs hy C. H. Kennedy. 



Figure 5, Hctcragrion alicnum, male, Puerto Barrios, Guatemala, 

 June 2^1, 1909. 



Figure 6. Hctcragrion pcrcgrinum, male, Cristalina, Colombia, Feb- 

 ruary 19, 1917. 



Figure 7, Hctcragrion pcrcgrimim, female, Cristalina, Colombia, 

 February 16. 1917. 



Figure 8, Hctcragrion ictericuin, male, Wismar, British Guiana, 

 January 31, 191 2. 



