Photos by] [Harold Bastin and Hugh Main. 



Nests of Potted-Wasps. 



These nests are made by species of eumencs — the two upper and right-hand lower examples by our native heath potter, and the other 

 by a Jamaican species. The material is clay, tempered by a glutinous fluid from the wasp's mouth, in which grains of sand and small bits 

 of stone are embedded. One of the photographs shows an empty nest with the hole through which the wasp escaped after coming to full 



nevelopiTicnt 



12J 



