453 Mr Kirby's Century of Insects. 



the spurs which arm its apex sufficiently prove that it belongs to 

 the tibiae. The knees of the hind-legs of these extraordinary in- 

 sects converge; and being armed with spines, seem adapted to 

 catch or retain their prey ; and probably on this account it is that 

 the coxee of these legs are so strong. 



It seems to me that this genus and Phalangium, instead of 

 coming after the Pycnogonidce, as Latreille has arranged them, 

 should precede those marine animals, since their affinity to the 

 spider tribe, scorpions, &c., is much greater. 



acuhatus. 98. G. cornu oculigero inclinato, thorace aculeato : 

 aculeo incurvo, coxis posticis extus spina bi- 

 dentata. 



Long. Corp. lin. 6. 

 Habitat in Brasilia. D. Hancock. 



Corpus glabrum, laeve, obscurum, fusco-rufum. Caput cornu dor- 

 sali oculigero elevato, acuto, inclinato. Thorax subnebulo- 

 sus, transverse seriatim nodulosus: margine laterali exterior! 

 pallide flavo, interior! incrassato noduloso, postice in medio 

 spina aculeiformi validissima, incurva, acuta, basi sinistrorsum 

 bidentata, dextrorsum unidentata terminatus. Pedes sordide 

 pallidi : coxis fuscis, penultimis postice pectinatis : pectine 

 fixo sexdentato, posticis extus spina robustissima apice bi- 

 dentata armatis. Femora postica fusca, nodulosa, subtus prope 

 basin spina validissima obtusa pluribusque aliis minoribus uni- 

 caque dorsali armata. Genwa item intus bispinosa. Tibia pos- 

 ticcE articulis duobus primis nodulosis, intus acute spinosis. 

 Abdomen inter coxas retractum et quasi intrusum. 



horridus. 99. G. cornu oculigero brevi bidentato, thorace tuber- 

 culis binis, coxisque posticis spina furcata, ar- 

 matis. 



Plate 



