new Mites living on Lizards. 141 



pointed hairs or spinules ; hairs on the remainder of the 

 ventral surface long and very slender. Legs of fourth pair 

 much larger and stouter than the others. There is the 

 usual number of spurs on the legs ; the one on the femur of 

 the last leg is not situated on a protuberance. 



Length of body '28 mm. ; its width '49 mm. 



Hab. Several specimens found on geckoes (^Gymnodactylus 

 pulchellus) from the Jalor Caves, Malay Peninsula. 



Geckobia boulengeri, sp. n. 



? . — Body longer than wide and attaining its greatest 

 width some distance behind the middle. Scutum distinct 

 and almost triangular (wedge-shaped) ; the anterior margin 

 is slightly concave and strongly salient laterally. Ten 

 plumose hairs are present on tlie scutum, all of them being 

 very short and stout ; six of these hairs are situated close 

 behind the anterior margin (almost forming a transverse 

 line), three being placed on each side. Posteriorly there 

 are two lateral hairs on each side, one being situated imme- 

 diately behind the other on the margin of the scutum. A 

 minute eye is present on each side on the salient portion o£- 

 the anterior margin. Numerous short plumose hairs are 

 present on the rest of th^ doi'sal surface, the anterior ones 

 being usually rather stout, blunt, and very short ; the others 

 are more elongated, however. Hairs at the sides and hinder 

 end of the body slender, fairly long, and blunt; apparently 

 most of them are not feathered. Hairs of the posterior 

 tuft long. Venter with very numerous contiguous hairs, 

 the anterior ones being short and plumose, the others of 

 moderate length, fine, and not feathered. Legs. Anterior 

 legs slender, those of the third pair considerably longer 

 and stouter ; whilst the fourth pair are also long and are 

 greatly swollen. Short stout spurs similar to those present 

 in G. papuana etc. are present on the proximal segments of 

 the legs. 



Length of body •47 mm. ; its width "43 mm. 



Hub. A number of examples found on a gecko {Gehyra 

 yunnanensis) from Yunnan Fu^ China. 



Geckobia socotrensis, sp. n. 



$ . — Body wider than long. Scutum absent. Anteriorly 

 the dorsimi is fiirnished with numerous very short plumose 

 hairs, which are slender, pointed, and subequal in length, 

 none of the anterior ones being enlarged. Hairs at sides 

 and posterior end of body only of moderate length and 



