22 LYGiEINA. 



Family 3.— HENESTARID^. 



Head short, across the eyes wider than the front of the pronotum. 

 Aiitennce : first joint thickest ; second joint slightly the longest ; 

 fourth joint long-fusiform. Ui/es very prominent. Pronotum broad, 

 trapeziform. Scntellum equilaterally triangular. Legs : thighs, first 

 pair not incrassated, unarmed ; tarsi long, first joint longest. 



Abdomen. — Abdominal segments in the $, the first three straight on the 

 posterior margin ; fourth a little shortened in the middle ; fifth very 

 short in the middle, the sides angular ; sixth long, greatly deflected, 

 ridged in the middle, the posterior margin cut out angularly. Qenital 

 segments : first generally invisible ; second appears as a small triangular 

 plate on each outer side ; third elongate, forming the end of the body. 

 Gen. 1, Ilenestaris. 



Family 4.--CYMIDiE. 



Head narrow, scarcely wider across the eyes than the front of the 

 pronotum. Antennce : first joint not much thickened, second and 

 third slender, the second longest ; fourth as thick as the first, ob- 

 tuse, fusiform. ^ye5 not prominent. Pro?20^?wr* trapeziform. Legs: 

 thighs, first pair not incrassated, unarmed ; tarsi, first and third 

 joints in length subequal. 



Abdomen. — Abdominal segments in the $, the first three straight on the 

 posterior margin ; fourth and fifth very short in the middle, thence 

 sloping obliquely outwards on each side ; sixth forms an oblique plate on 

 each side, equally wide throughout. Genital segments: in the 9 much 

 deflected to the sides ; the first short, barely visible ; the second appears 

 as two angulated plates with their apices in the centre ; the third wide, 

 rounded or pointed. Gen. 1, Chilacis ;* 2, Ischnorhynchus ; 3, Cymus. 



Family 5.— ZOSMORIDJE. 



Head broad, short : Face, side lobes much longer than the central 

 lobe, projecting in front of it, curved inwards at the ends and meet- 

 ing, but leaving an open space before the central lobe. Antenncs short ; 

 first and second joints short and stout ; third joint long, slender ; 

 fourth joint clavate. . Eges small, but prominent, the orbit produced 



* It is doubtful if this genus is rightly placed in the family, but the want of 

 specimens for examination prevents our decision. 



