THE VICTORIAN NATURALIST. 



Hemicordulia 



Synthemis 



SOMATOCHLORA 

 CORDULEPHYA 



Sub-family 2. — Cordulin^e. 



Four or five species. Abdomen elongated. 

 Metallic green, with yellow spots. Re- 

 ceived from Mr. Billinghurst — H. tau, 

 with letter T on the head ; H. aus- 

 traliae, the appendages of the male 

 without a tooth ; H. novse-hollandise, 

 the appendages of the male with a tooth. 



Nine remarkable species, differing from 

 Hemicordulia because the basal space 

 is reticulated. Abdomen long, more or 

 less green or yellow. 



S. jacksoniensis. 



This genus is distinguished by the triangle 

 of the upper wings becoming a quad- 

 rangle. 



Hemigomphus 



Petalura 



FAMILY II.— ^ESCHNIDiE. 



Sub-family 3. — GomphinvE. 



The six or seven species of Australia are 

 all black and yellow, and much resemble 

 each other. 



Sub-family 4. — Cordulegastrin^e. 



One special species in Australia, of very 

 large size. 



Sub-family 5. — tEschnin^e. 



Acantho^eschna ... Two species of very large size, very rare. 

 Black and yellow, with the thorax 

 brown with yellow rays. 



One very beautiful species, large, rare, re- 

 markable as having the wings spotted 

 with black or brown. 



Seven or eight species. 



JE. brevistyla. 



A. papuensis. 



Several species. 



FAMILY III.-AGRIONIDiE. 



Sub-family 6. — Calopterygin^e. 



Sole genus of Australia. 



Sub-family 7. — Agrionin^e. 



Very common. 



Three species, resembling each other. 



One species, brilliant metallic-green. 



Telephlebia 



Gynocantha 



iEsCHNA 



An ax 

 austrg/eschna 



DlPHLEBIA 



Lestes ... 



Argiolestes 



Synlestes 



