82 Trans. Acad. Sci. of St. Louis. 



ending in a metallic ring. It is usually uttered at night 

 or during heavy showers; rarely in the morning, in its 

 breeding haunts. The stomach of one example contained 

 the elytra of a ground beetle and the remains of many 

 spiders and ants. Much yet remains to be learned re- 

 garding the habits and eccentricities of this strange crea- 

 ture, but it is hoped that the present paper will prove of 

 interest to those engaged in working out the life histories 

 of this most interesting order of animals. 



Issued, June 1U, 1910. 



