University of Michigan 



PLATE I 



Figure I, diagramatic ; 9 and 10, magnification; 2-5, 8, and 

 11-13, more magnified; 7, still more magnified; and 6, the greatest 

 magnification. 



Figures 1-6. Agriogoiiipktts liainatns, all of the type male. Fig. 

 I, diagram of thoracic color pattern; 2, abdominal segment 2, with 

 accessory genitalia, left side, in profile ; 3, dorsal view of segment 10 

 and apex of 9; 4, profile of segments 9 and 10; 5, posterior view of seg- 

 ment 10, the inferior appendage partially concealed by the dorsal apex 

 of 10; 6, third tarsal claw. 



Figures 7-12. Agriogomphus Iiauiatiis, female. Fig. 7, left profile 

 of prothorax ; 8, dorsal view of prothorax ; specimen taken January 14; 

 9, rear of head; 10, dorsum of head, same specimen; 11, ventral view 

 of abdominal segments 9 and 10 and apex of 8 of allotype female, 

 showing vulvar lamina; 12, dorsal view of same segments as ii; note 

 the normal tenth segment of the female as compared with the male, 3. 



Figure 13. Agriogomphus species, female, Cristalina, Colom- 

 bia, February 14, 1917; dorsal view of the occiput and part of the 

 vertex; compare with 10. 



