ME. W. r. KIEBY ON FOKFICULID^. 513 



long as broad, joints 4-6 hardly longer than broad, but those 

 beyond the 4th gradually lengthening and growing rather more 

 slender; the joints towards the tip about 4 times as long as 

 broad, and the last joint half as long again as any of the pre- 

 ceding. Pronotum blackish, the raised margins and a central line 

 ferruginous. Tegrnina coriaceous, the suture ferruginous, and the 

 outer edge yellowish ; exposed portion of wings one-third as long 

 as the tegniina, coarsely reticulated, dark brown, slightly bordered 

 with yellowish; scutellum slightly exposed. Abdomen reddish 

 brown, paler beneath and on the sides ; last joint rather short, 

 with a slight protuberance on each side above the base of the 

 forceps, which are long, blackish, slightly varied with reddish, 

 nearly straight, unarmed, and slightly upturned and incurved at 

 the extremity. 



Hal. Eio Janeiro (collected by the late Eev. Hamlet Clark). 



LABimiEA MOEOSA, Sp. U. 



Long. Corp. 21 millim. ; segm. ult. cum forcip. 7 millim. 



Female. Black ; antennae, mouth-parts, lateral borders of pro- 

 notum, and wings castaneous ; legs paler ; forceps dark red, 

 broad and approximating at the base and meeting at the tips, a 

 very strong carina on the upper surface, the inner and lower 

 edge denticulated (most strongly towards the base) as far as a 

 very strong tooth at about five-sixths of their length. 



Hah. ? 



]^ot closely allied to any known species. I usually refrain 

 from describing species of unknown locality, but in this insect 

 the form of the forceps is so unusual as to allow of its being 

 recognized at once. 



Genus XI. Demogoeqon, g. n. 



Male. Head convex, as broad or rather broader than the pro- 

 thorax behind ; antenuse with about 30 joints, scape widened, 

 joints 2, 4, 5 rounded, the rest oblong and gradually increasing in 

 length to about the middle, beyond which they are slender and 

 of about equal length. 



Pronotum half as long again as broad, slightly depressed 

 across the middle, with raised margins, the hinder part some- 

 what raised and widened. 



Elytra truncated behind; wings absent or concealed. 



LINN, JOUEN. — ZOOLOGY, TOL. XXIII. 36 



