19 



pressed, constricted in the middle, beyond incurved, expanded, 

 especially above, the posterior edge much compressed, convex in the 

 middle half. Length of body, cf, 28.5 mm., 9, 36 mm.; of antennae, 

 <^, 15 mm., 9, 14.5 mm.; of tegmina, d", 17 mm., 9, 18.5 mm.; of 

 hind femora, cf, 17 mm., 9, 21 mm. 

 Georgia. 



Mr. S. H. Scuclder offered some remarks on the phenom- 

 ena of Circulation in Insects, a subject upon which very con- 

 tradictory views had been held. 



The juices of the digested food appear to pass through the thin 

 walls of the alimentary canal directly into the general cavity of the 

 body; from here they are pumped into the hinder extremity of the 



