Linn. Lourn., Zool. Vol. xx. 
[To face p. 136. 
Nest of Lasius niger, showing the entrance, vestibule, main chamber wit! 
a group of pup®, and several of larva;, sorted according to ages ; 
aud inner room ; the queen surrounded by workers ; 
the blind woodlice ( Platyarthrus Hojfmanseggii). 
