270 C. P. ROUSSELET ON BATTULUS COLLARIS. 



Explanation of Plate XI. 



Fig. 1. Eattulus collaris. 

 ,, 2. Polyarthra platyptera, var. euryptera, with male eggs, 



dorsal view. 

 „ 2a. „ „ „ „ with a female egg, 



side view. 

 „ 3. Schizocerca diversicortiis, dorsal view. 

 ., 3a. „ „ side view. 



., 36. ,, „ extremity of foot, enlarged. 



