SYSTEM OF INSECTS. 369 
but as an exception or two does not invalidate a rule, 
and these are sufficiently universal for the purpose of 
pointing it out, they may be retained. Perhaps it will 
be an improvement to add the kind of the metamorphosis, 
which, as far as known, prevails universally. 
Der. Metamorphosis incomplete*. 
Legs inosculating, posterior coxze usually trans- 
verse. 
Elytra corneous or coriaceous, without veins, 
united by a straight suture, so as mostly to 
cover the wings completely”. 
Wings longitudinally and transversely folded ¢ : 
neuration simple‘. 
2, StrepsipTERA’ K. (Lhiphiptera Latr.) The cha- 
racters of this Order were first given in the Linnean 
Transactions, and it has been adopted by Latreille, who 
however, without sufficient reason, has changed the name 
originally imposed to Rhiphiptera’. Rossi, who was the 
first that discovered an insect of this Order, concluded 
that because it was parasitic it must be Hymenopterous ; 
and it is certainly more nearly related to that Order than 
to the Diptera, amongst which M. Lamarck has arranged 
it, and with which it has no character in common, ex- 
cept having two wings. ‘This is one of those Orders, 
consisting of few genera and species, which, from their 
connecting two circles, Mr. MacLeay has called oscu- 
2 Vor he p./6. > In some genera, as JZolorchus, 
&c., they do not completely cover the wings. Piate X. Fic. 1. 
Puare L. Fie. 4, 5. © In Buprestis, Molorchus, &c., 
they are only longitudinally folded. 4 Pirate X. Fic. 4. 
© From seefus, a turning or twisting, and xregov. 
f Vot. lil. p. 501. note °. 
VOL. IV. 2B 
