the 



IMMATURE STATE OF THE ODONATA. 



PART III.- SlT.F AMII.Y COKIM UNA. 



LEGIO MACROMIA Selys. 



TnE Legio Macromia is divided into three genera. The previous si 

 of two of them are not known. The third, the very characteristic subgenus 

 Macromia, contains at least one species that has been raised. Of the eight 

 species known to belong to Macromia, M. transversa has been raised, and 

 among the others are some belonging probably to described species. There 

 are forty living species described. 



Gends? (EPOPHTHALMIA ?). 



Plate I. Fig. 1. 

 1. SPECIES? 



One male and three female nymphse from Mr. H. Edwards ; all were 

 received from Canton, China, and he supposes that they were collected near 

 that city. 



Length, 31 mm. ; breadth, 15 mm. ; bind leg, 35 mm. 



Head large, the breadth twice the length ; a deep triangular excavation 

 between the eyes, which nearly reaches the occiput, and is divided by a 

 straight suture with a depressed stripe on each side ; vertex in the middle 

 of the excavation, just behind the antennas, inflated heart-shaped, divided 

 by a longitudinal depression ; ocelli indicated ; sides of the head rather con- 

 vex, on each outer hind angle a nipple-shaped projection ; occiput slightly 

 notched in the middle of its posterior border ; eyes small, projecting, 

 rounded on top ; antenna? about as long as the bead, the two basal joints 

 thickest, the first cylindrical, long, the second half as long, rounded at tip ; 

 setae much more slender than usual, third joint as long as the two basals 



2 



