36 PLATE CCCCXLIX. 
fide, but fo clofe to the lateral edge as to efcape attention unlefs in- 
fpected clofely. A fimilar lateral fpot is perceptible likewife a little 
below thefe, neither of which are however fo confpicuous as the two 
dorfal {pots firft mentioned. ‘The wings are tranfparent with a com- 
mon oblong teftaceous ftigma at the coftal margin near the tip. 
Libellula biguttata is reprefented in its natural fize in the annexed 
plate. 
PLATE 
