PLATE V. 
Fic. 1. Embryo nest of tree-wasp at a very early stage, with 
no more than four rudimentary cells, and only a single 
hood springing from a triangular strap of paper. Natural 
size. p. 187. 
Fic. 2. Embryo nest of V. britannica (?) at a somewhat later 
period, attached to a shred of matting; the bottom of 
the nest not yet closed in. Natural size. p. 188. 
