368 



ZOOLOGY. 



jaws ; the pupae are active. Fritz Miiller found in Brazil 

 that one species of Termes was differentiated into six 

 different kinds of individuals : viz., a set of winged and 



wingless females ; winged and 

 wingless males ; workers and sol- 

 diers. A male always lives with a 

 female, and a wingless male and 

 female may, on the death of a 

 winged normal male and female, 

 replace them. He found a male 

 (king) living with thirty-one com- 

 plemental females. In Calotermes 

 Fig. 330. Mantispa interrupta there are no workers, in Anoploter- 



Say ; and side view of the same , n . , 777- 



without wings. Natural size. mes no soldiers, lemies belMcosus 



Smeathmau, of the west coast of 

 Africa, builds conical hills six feet or more in height. 



Order 3. OrtJioptera. The insects of this group, so called 

 from the straight-edged fore wings of the grasshoppers, 



Fig. 331. Freshly-hatched larva of 

 Manlispa styriaca. Enlarged. 



Fig. 332. Larva of the same, but 

 older, before the first moult. En- 

 larged. After Brauer. 



locusts, crickets, etc., is characterized by their net-veined 

 wings and incomplete metamorphosis ; they are connected 

 closely with the Neuroptera by the ear-wig (Forficula). 



