452 Mr Krinsv's Century of Insects. 
the spurs which arm its apex sufficiently prove that it belongs to 
the tibiæ. 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 itis that 
the coxe of these legs are so strong. 
It seems to me that this genus and Phalangium, instead. of 
coming after the Pycnogonide, as Latreille has arranged them, 
should precede those marine animals, since their affinity to the 
spider tribe, scorpions, &c., is much greater. 
aculeatus. 98. G. cornu oculigero inclinato, thorace aculeato: 
aculeo incurvo, coxis posticis extus spina bi- 
dentata. 
Long. corp. lin. 6. . 
Habitat i in Brasilia. D. noi. ni: 
Corpus glabrum, leve, obscurum, fusco-rufum. Caput cornu 2n». 
sali oculigero elevato, acuto, inclinato. Thorax subnebulo- 
sus, transverse seriatim nodulosus: margine laterali exteriori 
pallide flavo, interiori 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. Genua item intus bispinosa. Tibie pos- 
tice articulis duobus primis nodulosis, intus acute spinosis.. 
sdidonen, inter coxas retractum et quasi intrusum, 
horridus, 99. G. cornu oculigero brevi bidentato, thorace tuber- 
culis binis, coxisque posticis spina furcata, ar- 
matis. | 
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