I32 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



shrubbery. Occasionally it occurs locally in numbers. The 

 writer was attracted to a colony of katydids one cloudy after- 

 noon in a clump of trees near a small pond. Their call notes, 

 which were almost continuous, were heard for quite a distance, 

 and became very loud and discordant upon approach. West 

 Woodstock, September (W. B.) ; New Haven, 9 August 

 (P. L. Buttrick) ; New Canaan, 9 September, 5 October 

 (B. H. W.) ; Mt. Carmel, 25 September, New Haven, 20 

 October (W. E. B.). 



CONOCEPHALIN^. 



Vertex of head projecting upward and forward in the form 

 of a blunt, or sometimes a much prolonged, tubercle or cone. 

 Prosternum toothed or with two slender spines. Apical spines 

 absent on fore tibiae. Front coxae with a spine on the outside. 

 Wing covers usually narrow, often shorter than the abdomen, and 

 either green or brown in color. Calling organ of male well 

 developed and with a prominent cross vein. 



Key to Genera. 



1. Fore and middle femora with spines beneath; vertex 



extending forward in the form of a long cone ; calling 



organ of male opaque Conocephalus p. 132 



Fore and middle femora without spines beneath ; vertex 

 ending in a round tubercle which is hollowed out at 

 the sides ; calling organ of male somewhat trans- 

 parent 2 



2. Insects of small size ; prosternal spine very short ; ovi- 



positor slender and nearly straight Xiphidium p. 136 



Insects of medium size; prosternal spines longer and 

 more slender; ovipositor stout and usually upturned 



Orchelimum p. 138 



Conocephalus Thunberg. 



Head with the vertex extended forward and upward between 

 the eyes and terminating in a long cone which is armed beneath 

 with a basal tooth. Face very oblique. Eyes rather prominent 

 and nearly round. Prosternum with long slender spines. Disk 

 of pronotum flat, narrower in front than at posterior margin. 

 Lateral lobes curved obliquely backward in front and well 



