Arachnida, etc. 153 



fit the base and for the last three-quarters of their length ; spines 

 whitish, tipped with black. Tegmina testaceous, sub-hyaline beyond 

 the middle, with reddish nervures ; the basal half of the principal 

 nervure black ; wings clear hyaline, with pale ner-snires ; several of 

 the longitudinal nervures before the middle of the wing black for 

 at least part of their length. 



" Female similar to the male, but much redder, and hardly 

 speckled ; edges of the frontal concavity blackish, and from this 

 fun two slightly diverging blackish lines between the eyes and 

 as far as the occiput. Markings of the head and pronotum nearly 

 as in the male ; sides of pronotum varied with yellowish. Hind 

 femora red (very bright red beneath), and marked as in the male ; 

 hind tibiae black at the base on the inside and beneath ; the basal 

 third other^-ise yellow, the middle third black, and the apical 

 third red. Spines white, tipped with black ; extreme tip of hind 

 tibiae, including the base of the terminal spines, and hind tarsi, 

 yellow. Tegmina and wings nearly as in the male, but the 

 tegmina, and especially most of the longitudinal nervures, darker; 

 many of the cross nervules, a short stripe before the middle above 

 the principal nervure, and most of the nervures on the inner 

 marginal region, are red. 



"In both sexes the costa is moderately arched at one-fourth of 

 its length. 



" !Not very closely related to any species previously represented 

 in the Eritish Museum." Captured October 1st. (Lister.) 



One taken at Flying Fish Cove, October, 1897. (Andrews,) 



CHILOPODA, DIPLOPODA, AND ARACHNIDA. 



By R. I. PococK. 



(PLATE XVI.) 



IXTEODUCTORT REilARKS. 



Up to the present time our knowledge of the Arachnid and 

 Myi-iopod fauna of Christmas Island rested upon two collections. 

 The first was made in January, 1887, by the officers of H.M. 

 survejdng vessel " Flj-ing Fish " ; the second in the autumn of the 

 same year by Mr. J. J. Lister, when acting as naturalist on board 

 H.M. surveying vessel "Egeria." The reports upon these 

 collections, published in the Proceedings of the Zoological Society 

 for 1887, p. 520, and 1888, pp. 556-561, contain references to one 



