eo OY us 
384 Prof. Westwood’s Descriptions of 
PLATYURA. 
Westw., Trans. Ent. Soc. Lond., Ist series, vol. v., 
p. 231 (= Platyroptilon, Westw.) 
Platywra (Platyroptilon) Miers, Westw., op. cit., 
p- 231, pl. 23, fig. 8, and details. 
Hab. In Brasilia. In Mus. D. Miers (nunc in Mus. 
Hopeiano Oxonie). 
Cuuex, Linn. 
Culex alternans, Westw., Ann. Soc. Ent. France, vol. iv. 
p- 681 (1835). 
Pallide fuscescens; abdomine albido-annulato, alis 
hyalinis; venis, presertim costalibus, fulvescentibus, 
squamis fuscis ornatis, nisi regione stigmaticali, ubi 
squame albe videntur, aliis albo nigroque alternatis ; 
pedibus fulvescentibus, fusco squamosis; femoribus ante 
apicem, tibiis versus et pone medium, geniculis tarsisque 
albo annulatis. Long. corp. (probose. excel.) 4 lin. 
Expans. alar. 8 lin. 
Hab. In Nova Hollandia. In Mus. Hopeiano Oxonie 
(olim nostr.). 
EXPLANATION OF THE PLATES. 
PLATE XVII. 
Fic. 1. Mongoma fragillima, natural size; 1 a, antenna; 
1b, wing; 1c, extremity of anterior tibia; 1d, extre- 
mity of anterior tarsus. 
2. Details of Dapanoptera plenipennis; 2a, head, seen 
sideways; 2b, wing; 2c, extremity of body. 
3. Sigmatomera Amazonica, magnified ; 3a, head, seen in 
front; 38 6, head and antenne, seen sideways ; 
3c, wing; 3d, apex of tibia. 
PLATE XVIII. 
Fic. 4. Hriocera lunata, natural size; 4a, head and antenna 
of male, magnified; 4b, head, sideways; 4c, wing; 
4d, extremity of tibia; 4e, apex of abdomen, from 
above; 4/, ditto, seen sideways ; 4g, one of the male 
appendages at the extremity of the body. 
