172 OTHER MF'^MBER.S OK TtlE CLASS — INSECTA 





Fig. 111. — ^Kat^■di(l on an oak leaf 



The katydids and crickets have ears, or at least hearing 

 organs, on their fore legs. 



In kitchens and l>athroonis, around water pipes and sinks, 



Fig. 112. — Cockroach: E ogg case. 



