CH-ERILI1XE. 



53 



family CH^ERILID.E. 



Pedal sjmrs two, as in the Butliidce; but the anterior never 

 double. Sternum of cepbalothorax pentagonal, parallel-sided, with 

 a posterior rounded median pit : as long as wide or longer than 

 wide. Pectines very short, scarcely segmented. Maxillary pro- 

 cesses of 1st pair of legs (fig. 15, ) expanded at the anterior extremity, 

 with broadly truncate anterior border. Stigmata (fig. 15, c) circular. 

 Carariaet narrowed in front, its anterior border transversely truncate; 



Fig. 15. Lower side of cepbalothorax and Fig. 16. 



of anterior abdominal somites of CJuerilus, Carapace of Cheerilus. 



showing (a) the expanded maxillary process 

 of the 1st leg; (b) the unsegmented shaft 

 of the pecten, and (<) the circular stigma. 



two lateral eyes on each side, and beneath them an amber-coloured 

 spot. Movable and immovable fingers of mandible armed below 

 with a series of small teeth. Fingers of chelce never lobate, 

 furnished with many overlapping rows of small teeth, the terminal 

 tooth of each series on the outer side enlarged. Tarsi (fig. 5 B, p. 8) 

 furnished beneath with two series of stout bristles and a median 

 series of very fine spicules. Males usually with longer narrower 

 chela3 than females, and slightly or considerably longer tail; vesicle 

 of tail sometimes much modified in male. 



Genus CHJERILUS, Simon. 



Chaerilus, Simon, Ann. Soc. Ent. France, (5), vii, p. 238, 1877 ; 

 Karsch, MT. Munch. Ent. Ver. iii, p. 101, 1879; Pocock, in 

 Weber's Reise. Niederl. O.-/n<i.iii,p. 91, 1890; Kraepelin, Jb. Hamb. 

 Wiss. Anst. xi, p. 141, 1894; id. Tierr., Scorp. etc. p. 157, 1899. 



Chelornachus, Thorell, Ann. Mm. Genova, xxvii, p. 583. 1889. 



Uromachus, Pocock, A. M. N. H. (6) v, p. 250, 1890. 



