INSECT A. 261 



(Comp. H. de Saussure, ' Spicilegia entomologica Genevensis/ 

 ii. 1887, p. 33.) 



They differ from that species and from others of the same 

 group by their strongly compressed body, and can be distin- 

 guished from one another as follows : 



a. The crest of pronotum having three ovoid pellucid fenestrae, 



very distinct ; the crest entire to its apex. X. distanti. 



b. The crest of pronotum having but small pellucid fenestrae, 



obsolete; the crest crenulated at its apex. X. picta. 



Xiphocera distantly Saussure, sp. n. (Tab. IV. fig. 1.) 



Fusco-grisea, valde compressa, crasse granulata. Antennae 

 filiformes, 15-16-articulatse, superne totae obsolete, subtus 

 articulis 6 primis planatae. Articuli omnes depressi, extus 

 acuti, facie interna angusta subrotundata, haud marginata ; 

 articuli 7 apicales submoniliformes. 



Caput confertim, inter carinas laterales sparse, granulatum. 

 Vertex vix declivis, a latere rectangulatus ; ejus scutellum 

 breve, excavatum, antice rectangulatum, marginibus valde 

 prominulis, postice rotundatum. Ejus carinulae laterales 

 incisae, angulis incisurse rotundatis, haud crenatis. Costa 

 facialis a latere parum incisa. 



Pronotum utrinque inferius dense granulosum. Crista ele- 

 vata, lamellaris, supra occiput valde acutangulatim producta 

 (Sauss. /. c. pi. ii. fig. 7) ; ejus linea dorsalis a latere in 

 medio vix, antice et postice magis arcuata (Sauss. /. c. pi. iii. 

 fig. 23) ; ejus pars postica valde producta, nee sinuata nee 

 crenata, apice acuto, bidentato. Sulci 3 in crista profundi 

 ac fenestrati, impressiones profundas, ovatas, diaphanas 

 majores obferentes. Pars dorsalis prouoti verruculosa ac 

 sparse acute granosa. Pedes graciles, antice haud granulati, 

 sed extus carinati. Femora postica haud late dilatata, ante 

 concha apicali coarctata (Sauss. /. c. pi. iii. fig. 20), cristis 

 parum latis, supra 9-spinosa, infra irregulariter denticulata. 



Abdominis segmenta l m -6 m superne ante apicem spina trigonali 

 armata. 



$ . Long. 46 millim., pronot. 16, fern. post. 16. 



Pretoria, 1 $ . 



Xiphocera picta, Saussure, sp. n. (Tab. IV. fig. 2.) 

 Statura et forma sensim ut in X. distanti', corpore toto 

 sabuloso, excepto in parte apicali abdominis ; colore fusco, 

 valde albo et flavido strigato. Antennae 16-articulatae, de- 

 plan ato-prismaticae, supra planae, subtus articulis 3-8 in 



