INSECTA — COLEOPTERA. 
215 
Pr. E. S. p. 64, called Anodonta) ; antennas in the female half as long as 
the body, sub-clavate, in the male almost the length of body, the joints 
from the sixth of equal length (in other respects agreeing with our Cryp- 
tocephalus ) : J. Roei, albilinea, pulcliella, cyanipennis, fiaviventris, 
Tugosa (Pr. E. S. p. 65), similis, tasmanica, Darivinii, semibrunnea 
(Ann. Nat. Hist. p. 317). Helidomorpha ; antennae filiform, body long, 
oval, compressed : H. atra, cenea, metallica (Pr. E. S. p. 65). 
The reporter (Arch. 1842, i. p. 119) observed, that the genus Cadmus 
and Odontoderus, Dej., were remarkable for their broad soles, formed 
as in Cassida, thickled covered beneath with felt ; with the claw joint 
scarcely projecting beyond the segments of the third joint, but show- 
ing no essential difference between themselves ; in these, as in Crypto- 
cephalus proper, the mouth is covered by a peculiar hood, formed by the 
protruding margin of the prosternum, whilst Pachybrachis, Dej., which 
form appears to be unknown in New Holland, possesses the very essen- 
tial characteristic, that the mouth is not retracted. Another New Hol- 
land genus, Ditropidus, Chevr., Dej., has the posterior margin of the 
prothorax deeply sulcate on both sides ; the middle is protruded between 
the elytra, the small points being hollowed out for the reception of the 
scutellum, which is pointed at both ends, and is not elevated. The pro- 
sternum forms no projection over the mouth. Neither of these forms is 
contained among the above genera characterized by Saunders. The 
reporter has described three new species of Ditropidus (ibid. p. 233). 
Several new Austrian Halticoa have been described by Redtenbacher 
(Col. Aust. p. 27) I Pf. {Balanomorpha) circumdata, H. {Teinodactyla) 
nigriceps, H. (Aphthona) CampanulcE. The last, which is nearly allied 
to H. euphorbice, is found upon Campanula rotundifolia. The re- 
porter (Arch. 1842, i. p. 235) has described H. (G-raptodera) corrusca, 
Psylliodes, chlorophana, from Van Diemen’s Land ; and characterized 
one new genus, Arsipoda, which is allied to Dibolia and Psylliodes, 
especially by the very strongly thickened posterior thighs, difiering 
from both by the toothed claws ; from the former by the simple terminal 
spine of the posterior tibiae, from the latter by the eleven-jointed antennae, 
and the hinder tarsi articulated to the point of the tibiae. This genus is 
peculiar to New Holland. A. bifrons is a species from Van Diemen’s 
Land. 
Erotylid^. — Lacordaire’s work on this family (Monographic des 
Erotyliens, Paris, 1842), is a most scientific publication ; important 
from its great richness in species, and also from its systematic divi- 
sions. A series of genera, formed merely according to their habit, 
is here defined in a scientific manner, and often, indeed, with quite 
different limits. As this indispensable work must certainly be in all 
hands, I may presume that the author’s arrangement is known (vide also 
Entom. Zeitung. 1843, p. 132), and rather employ my space in making 
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