84 University of Michigan 



PLATE X 



Male abdominal appendages ; figures 105 to 107, inclusive, by Mrs. 

 Calvert; figures 108 to 114, inclusive, by Dr. Calvert; figures 115 to 

 118, inclusive, by !Mons. Menger. 



Figure 105, oblique dorsal view of the abdominal appendages of 

 Heteragrion alienum, male, Calvert's figure 7, plate 5, (3) ; figure 106, 

 same of Heteragrion majus, male, Calvert's figure 6, plate 5, (3) ; 

 figure 107, same of Heteragrion tricelhdarc, male, Calvert's figure 5, 

 plate 5, (3) ; figure 108, same of Heteragrion fiavidorsum, type male, 

 Calvert's figure 41, plate III, (4) ; figure 109, same, and figure no, 

 profile of Heteragrion angustipenne, male, Calvert's figures 42 and 43, 

 plate III, (4) ; figure in, same of Heteragrion aurantiacum, male, Cal- 

 vert's figure 40, plate III, (4) ; figure 112, same of Heteragrion trian- 

 giilarc, male, Calvert's figure 39, plate III, (4) ; figure 113, same of 

 Heteragrion aeqimtoriale, male, Calvert's figure 27, plate III, (4) ; 

 figure 114, same of Heteragrion inca, type male, Calvert's figure 38, 

 plate III, (4) ; figure 115 the same, and figure 116, profile view of ap- 

 pendages of Oxystigma petiolatum, collection de Selj'S ; figures 117 

 and 118, the same of Heteragrion icterops, collection de Selys. 



