ENTOMOLOGICAL NEWS. 



[February, 



Alimentary canal of u, katydid (Scudderiafurculata) ; b, grasshopper (Acridium obscuruni) ; 

 c, cockroach (li/attu vrientalis), much enlarged. All the parts of the tract arc named, except 

 the irregular threads surrounding the stomach, which are the Mulpighian vessels. They are 

 much more numerous than shown in the figure, and form, in nature, a complete network 

 around the organ. 



