68 



CLASSIFICATION OF THE ANIMAL KINGDOM. 



OEDER III. NEUROPTERA. 



Sub-ord. 1. Corrodentia. 



Fam. a. Psocidse. Psocus. 

 Fam. b. Embiidoe. Embia. 



Sub-ord. 2. Isoptera. 



Fam. Termitidse. Termes (White Ants, fig. 64). 



Sub-ord. 3. Amphibiotica. 



Fam. a. Perlidse. Perla (Stone-flies). 



Fam. b. Ephemeridse. Ephemera (May-flies), Chloeon. 



Sub-ord. 4. Odonata (Dragon-flies). 



Fam. a. Libellulidae. Libellula. 

 Fam. b. ^Eshnidse. jfishna. 

 Fam. c. Agrionidae. Agrion. 



Fig. 64. Different individuals of the colony of one of the Termites. A, The queen, before 

 the wings are shed ; D, The queen, after the wings are thrown off and the abdomen has be- 

 come greatly distended with eggs ; c, Worker ; B, Soldier. 



