Part II.] 
Waterston : Ou Chain floidea. 
25 
slender, spur of fore tibia distinctly preapical. 2nd spur of hind tibia 
thick, short, and very divergent. 1st tarsal joint of mid legs over two 
times as long as the 2nd joint. Abdomen ; shortly petiolate, 1st visible 
tergite smooth with a deep parabolic posteromedian emargination. 
On each side this tergite bears a row of small hyaline chiluious bosses 
set close to one another. 2nd tergite anteromedianly produced to fit the 
emargination of the 1st tergite practically fused with former to some dis- 
tance, the median edges being continuous. Towards the sides the 1st 
tergite slightly overlaps the second. 
? . Ovipositor weak and flattened both median and side pieces with 
short bristles at and near their apices. 
Monacon productum sp. n. (Fig. 14). 
? . Black, with occasional blue-black submetallic lustre on head and 
thorax. Antenna; blackish brown. Wings clear, faintly brown tinted. 
Coxae black, femora blackish brown, the rest of the legs paler. Head 
Fig. 14. A\Ionacon produrfitm WntcTst 
Head (profile) and (a) frontal process from above. 
much broader than deep (3:2) when viewed from in front. Eyes separated 
by three-fifths of the breadth and barely two-thirds as deep as the head 
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