16 



often obliterated. Last joint of maxillary palpi twice as long as 

 the one before it, and enlarged at the outer end, which is obliquely 

 truncate. 



Pronotum square, somewhat narrowed in front, the forward aud 

 hinder edges parallel. 



Elytra with but few veins ; wings present or absent in variations 

 of the same species. 



Feet nearly as stout as in Gryllus. Anterior tibiae with a small 

 oval drum (auditory sac) on the outside, near the upper end. 

 Hind femora short and stout. Hind tibiic somewhat compressed, 

 and armed with spines, and elongated, movable, pubescent spurs. 

 Three or four pairs of spines inserted near the middle line of the 

 tibiae. All the tarsi elongated, but the hind tarsi without a longi- 

 tudinal groove above, and the first joint with two spurs at the end, 

 the inner one twice as long as the outer, and reaching nearly to the 

 claws. Anal cerci of medium length, and very hairy. 



Nemobius fasciatus. De Geer. 

 The Striped Cricket. 



Brown, with the head fuscous, and with four dull, yellowish- 

 brown lines on the vertex. Palpi reddish brown, lighter at the 

 end. A dull, yellowish-brown, longitudinal stripe, more or less 

 distinct, on each side of pronotum. Elytra pale brown, a little 

 shorter than the abdomen, with the humeral bands pale, aud the 

 lateral ones fuscous. 



Legs dark brownish yellow ; hind femora as long as tlie tibiae 

 and two-thirds of the tarsi. Hind tibiiE with four pairs of spines 

 before the terminal spines. 



Ovipositor as long as the femur ; valves crenulated on the upper 

 side near the end. 



Saussure makes three varieties under this species, as follows : — 



a. Elytra but little shorter than the abdomen, wings long 



and caudate N. fasciatus. 



b. Wings wanting; elytra covering about half of the 



abdomen ........ iV. vittattts. 



c. Smaller than tlie last, otherwise the same . . N. exiguus. 



Very common in the fall, in company with the larger species. 



Genus CEcanthus. Serville (^1831). 



Body very slender, smooth or slightly pubescent, and, when 

 alive, of a whitish or greenish-white color. 



Head elongated and directed forward ; the vertex horizontally 

 flattened ; eyes ovoid, slightly projecting ; ocelli wanting. 



