ORYLLID.G. 33 



with very indistinct oblique striae on the outer side ; hind tibiae with five or 

 seven spines on the outer side and with four on the inner side ; spines very 

 long and stout. Fore wings very pale testaceous, extending nearly to the 

 tip of the abdomen ; disk pale cinereous, wings rudimentary. Length of 

 the body 10 11 lines. 



a, b. Madagascar. Presented by F. Walter, Esq. 



W. Asia. 

 56. GRYLLUS ATER. 



Foem. Ater,nitens; antennce corpore breviorcs ; cerci abdominis ditnidio 

 longiores; oviductus abdomini cequilongus ; pedes cram', femoribus 

 posticis subtus rufis ; alee antica abdominis dimidio non longiores; 

 aloe postica minima aut nullce. 



Female. Deep black, smooth, shining. Antennae more than half the 

 length of the body. Prothorax with a slight longitudinal furrow and with 

 a few slight impressions on each side. Cerci stout, more than half the 

 length of the abdomen. Oviduct as long as the abdomen ; valves forked at 

 the tip. Legs thick; hind femora dark red beneath for more than half the 

 length from the base ; hind tibiae armed on each side with six spines. 

 Fore wings about half the length of the abdomen. Length of the body 

 8i lines. 



The shining body of this species distinguishes it from G. melas, and 

 the red under side of the femora from G. atratus : in the latter character 

 it resembles G. capensis, from which it differs in the fore wings, which are 

 wholly black. 



a. Syria. From Mr. Lowne's collection. 



8. Asia. 



a. Head red. - - * - - - - erythrocephalus, 

 aa. Head not red. 



b. Legs black. 



c. Prothorax tawny about the hind angles. - spurcatus. 

 cc. Prothorax with two tawny lines. - interruptus. 



ccc. Prothorax with a ferruginous fore border. - conscitus. 



bb. Legs blackish, femora pale except at the tips. - - clams. 

 bbb. Legs tawny. 



c. Fore wings black. 



d. Head black. ------- melanocephalus. 



dd. Head pale. orientalis. 



cc. Fore wings piceous. ------ concisus. 



ccc. Fore wings not black or piceous. 



d. Fore wings dusky along the costa. 



e. Hind femora distinctly streaked. 



/. Size large _--_--- membranaceus. 



ff. Size rather small. ------ supplicans. 



ee. Hind femora not streaked. 



/. Head with a band. ------ luinusculus. 



//. Head not banded. ------ tenellus. 



