Cordnlcii'astcr. 



i6i 



hook short, sharp, and slender. Prothorax half the 

 length of head and two-thirds the breadth, indented in 

 the middle, raised at fore part in small transverse lobe, 

 at hind-part border raised, and thicker in the middle. 

 Stigmata large, open. Legs very hair\-, flattened, formed 

 for running. Femora angular, thick, and a little bent. 

 Tibia; about equal in length to femora. Tarsi three- 



17 



Fig. 33. — NvMPH of Cordulega.stek annulatu.s, not full grown. 



(X 2.) 

 (After L. Cabot.) 



jointed, more than half as long as tibiae ; first joint 

 short, third longest ; claws very sharp. Hind-legs 

 reaching the seventh segment. Abdomen long, rounded 

 above, tapering gradually. Largest part at middle, as 

 wide as head ; no dorsal hooks. Segments 8 and 

 9 with lateral spines. Segments of about equal 

 length. Three anal appendices of twice the length of 



M 



