CtASS ill. aHaciinoida, 123 
Inhabits tiic south of France, and England, beneath stones. It is 
tare in this country, but has been taken in Devonshire, near Ply- 
mouth and Exeter, and near London. 
*** Mandibles perpendicular. Lyes eight. 
Genus 9. DRASSUS. Walck., Latr., Leach. Gkapiiosa. Ijitr. 
Palpi inserted under the lateral and external margin of the maxilla; 
towards their middle: meuilla longitudinal, arcuated, gradually be- 
coming broader from the base towards the middle, somewhat con- 
cave internally, smooth externally, their middle impressed, the 
points bent inwards above the lip, and obliquely truncated within : 
Up elongate, ovate-quadrate, or rather oval ; the base transversely 
truncated, inclosing the maxilla: legs with the first, and afterwards 
the second pair longest. 
* Lip somewhat oval ; the external side of the maxilla much bent 
and arched. 
1 ■ Liras, melanogaster. Mandibles blackish : thorax and legs obscure 
brown: thighs light reddish-brown: abdomen cinereous-brown and 
Silky. 
'assus melanogaster. Latr., T.each. Drassus lucifuge. Walck. 
"habits France and England, under stones. 
** Lip ovate quadrate. 
®P- 2. Drus. ater. Entirely black, 
bbassus ater. latr., Leach. 
Inhabits the vicinity of Paris, and near London, under stones. 
Genus 10. CI.UBIONA. Latr., Walck., Leach. 
^axilla straight aud longitudinal : the basis a little dilated externally : 
t ,e a pex rounded and obliquely truncated on the inside: lip elon- 
PAtc, quadrate, gradually narrowing towards the point: legs, the 
rst or the fourth pair longer than the second pair. 
' fc The two outermost eyes on either side neither placed very close to- 
gether, nor inserted on a distinct prominence. ( The maxilla in all 
“nth an inerassated base ; the fourth pair of feet ( rarely the first ) 
ingest.) 
!’• L Clu. lapidicola. Thorax and mandibles pale reddish: feet very 
I J'Sht red : abdomen ash-grey coloured. 
11 'abits France and England under stones, constructing a globular 
‘jell of the size of a common hazel nut, in the centre of which are 
' 'Posited a vast number of pale yellowish eggs agglutinated into a 
'pherical mass. 
