SELENOCOSMIIN^E. 



187 



Subfamily SELENOCOSMIIN^. 



A stridulating organ present between the mandible and maxilla, 

 and consisting of a row or cluster of vibratile bacilliform bristles 

 on the maxilla (fig. 61) and of spines or spinit'orm bristles upon 



Fig. 60. Outer surface of man- 

 dible of Chilobrachys masoni. 

 a, stridulating spikes. 



Fig. 61. Inner surface of maxilla 

 of Chilobrachys masoni, showing 

 series of bacilliform spines. 



the lower portion of the outer surface of the mandible (fig. 60, a). 

 Legs without spines or with a few only at the extremity of the 

 protarsi. Tibia of anterior leg in male not spurred. Posterior 

 sternal sigilla remote from the margin. 



Distribution. Banging from India and Ceylon to Australia. 



Synopsis of Indian Genera. 



LYROGNATHUS, p. 202. 



a. Legs of 4th pair much thicker than those 



of 1st, with the protarsal scopula entire 

 and extending to base of segment 



b. Legs of 4th pair weaker than those of 1st 



pair, with the protarsal scopula divided 

 and apical. 



a 1 . Thoracic fovea transversely linear ; one 

 or more tuhercles intermixed with the 



bacilliform bristles on maxilla PGECILOTHEBIA, p. 188. 



A 1 . Thoracic fovea crescentically procurved ; 



no tubercles amongst bacilli on maxilla. 



a 2 . Stridulating organ consisting of short 



spines on mandible and of a single or 



double row of bacilli overlapped by 



a fringe of hairs on maxilla 



P. Stridulating organ consisting of spini- 



forrn setae on mandible and of an 



oval cluster of bacilli without fringe 



of hairs on maxilla. 



a 3 . Tarsal scopulae of 1st, 2nd, and 3rd 



legs undivided ; no inferior claw . SELENOCOSMIA, p. 200. 

 b 3 . Tarsal scopulse of all legs divided ; 

 inferior claw retained on posterior 

 leg PHXOGIELLTJS, p. 202. 



CHILOBBACHYS, p. 192. 



