THE LOCUST OR SHORT-HORNED GRASSHOPPER 267 



eardrum of a vertebrate with its chain of bones and nervous 

 connections (cf. Fig. 68, p. 125). In contrast with this condition 



MS(ifi;>rwy_ :--w 



:/a»f«8jer««(w>« 



-"'^^JJ'V'^.. 



Fjg 186. — Egg-laying of locust. 



A. locust laying eggs B, egg-mass in ground (After Webster, from Farmers* Bulletin 

 No. 747. U. S. Dept. Agr.) 



in the locust, or short-horned grasshopper, the auditory organs 

 of the long-horned grasshoppers, like those of the katydids, are 



Fig. 187. — Stages in hatching of a locust. 



(From Bulletin Na 172. South Dakota Agr. Exp. Sta.) 



usually located on the anterior pair of legs (cf. Fig. 191, p. 373). 

 It is as though one vertebrate should have its ears on the abdomen 

 and another closely related type should have a different kind of 



