666 Mr . J. O. Westwood on the Paussida, 
the antenna; are situated upon the head, it appears to me that 
when alive the insect carries them with the spines pointing 
upwards, so that, probably, their flat inner surfaces may be 
applied to each other. I regret not having been able to obtain 
any information respecting its habitat. 
Genus 5. Cerapterus. Swed., Don., Latr $ c - 
Corpus depressum, capite minori, thorace majori, abdomine la- 
tiori. Caput thorace angustius, depressum, subtriangulare, 
posticb collo brevi, cylindrico, instructum. Oculi mediocres, 
globosi, laterales, valdb prominuli. Antenna capitis fronte 
inserts, pubescentes, perfoliate, 10-articulate, capite cum 
thorace pauld longiores, articulo lmo compresso, apice 
concavo clypeato, transverso ; articulis reliquis depressis, 
latis, articuli 2 — 9 equalibus depressis, brevibus, latissimis, 
parallels, et transversaliter impositis, ultimo in eodem cum 
reliquis piano, fere quartam partem antennae constituente, 
apice rotundato. Labrum, mandibulce , maxillce que minutae. 
Palpi elongati, inaequales; maiillares {maxilla, Swed. fig. 4. 
a,b.) longi, cornei, 4 ?-articulati, articulo penultimo apice 
crassiori, ultimo tenui acuto ; labiales crassiores, articulo 
ultimo longiori, latiori, depresso, truncato. Thorax planus, 
immarginatus, lateribus dilatatis. Scutellum mediocre, tri- 
angulare. Phjtra lata, planiuscula, elongato-quadrata, mar- 
ginibus lateralibus, inflexo-convolutis, apice subtruncata. 
Abdomen elytris paulb longius. Pedes breves, valdb com- 
pressi, lati. Tarsi angusti, filiformes, breves, articulis ba- 
salibus ciliatis, articulo ultimo longo, simplici. 
This genus was established by Swederus in the Transactions 
of the Swedish Academy, vol. ix. 1788, p. 203, for the recep- 
tion of an insect which he had received from General Davies of 
Blackheath. 
