DERMAPTERA SALTATORIA. 21 



third segment, except the base, fourth segment and fifth segment metallic- 

 blue. Legs stout, rather short ; four anterior tibiae with four long stout 

 spines on each side ; hind femora and hind tibiae with a row of very minute 

 spines on each side beneath. Wings rudimentary. Length of the body 9 

 lines. 



The specimen described appears not to be fully developed. 



a. West Australia. From M. H. Du Boulay's collection. 



Genus SIA. 

 Sia, Giebel, Zeitschr. Gesammt. Naturwiss. xviii. 114. 



1. Sia ferox. 

 ferox, Giebel, Zeitschr. Gesammt. Natunviss. xviii. 

 Java. 



Page 190. 

 Genus DOLICHOCHAETA. 

 Dolichochaeta, Philippi, Zeitschr. Gesammt. Naturwiss. xxi. 233. 



1. Dolichochaeta longicornis. 



longicornis, Philippi, Zeitschr. Gesammt. Naturwiss. xxi. 



Valdivia. 



Page 191. 



Stenopelmatus Mexicanus. 



a — b. Mexico. From M. Brunner de Wattenwyl's collection. 



This species and S.politus have the hind part of the head longer than 

 that of S. erythromelas. S.politus is distinguished from S. Mexicanus and 

 from S. erythromelas by the longer hind tibiae. 



Page 199. 



Lezina longipes. 



Mas. Testacea, longa, aptera, fere cylindrica ; caput prothorace paullo 

 latius ; palpi longi, graciles, apice clavati ; prothorax bifoveolatus ; 

 abdomen thorace paullo brevius ; cerci fere filiformes, abdomini 

 aquilo7igi ; pedes graciles, longissimi, femoribus uniseriatim spinu- 

 losis, tibiis quatuor anterioribus biseriatim spinulosis, tibiis poslicis 

 biserialim spinosis. 



Male. Testaceous, elongate, nearly cylindrical. Head a little 

 broader than the prothorax. Palpi long, slender, clavate towards the tips. 

 Antennae slender. Prothorax with a large excavation on each side in the 

 middle ; fore border slightly rounded ; sides and hind border straight. 

 Mesothorax and metathorax well developed. Abdomen a little shorter 

 than the thorax. Cerci slender, setulose, nearly filiform, as long as the 

 abdomen. Legs slender, very long ; femora with one row of minute 

 spines beneath ; hind femora incrassated towards the base; four anterior 



p 



