liv J. Cuinras. 



Mri)-1 'A'/HERS AT Work. 



cciLS of th<.sp artificers i„ clav show a special preference for human dwelhngs, which they ciccorate with theirnests '"^'dc as 

 t. In the upper riffht-hand corner of the picture a wasp is seen at work on the unhnished cUister of cells. In the opposite 

 ewlv-developed wasp is escaping from an older •' daub," through which it has had to cut Us way to freedom. 1 he upper 



Several spec 

 well as out. 



comer a newly-developed wasp is escapmg . c- . t- 



figures are of a familiar Indian species ; the nests in the lower corner are those of the South Luropean species 



59 



