88 PR0CEEDIN6S OF THE NATWSLiL MUSEUM. vol.39. 



Tar, tarsus. 



Tg, tegula. 



Tn, trochantin. 



TnC, coxal process of trochantin. 



Tr, trochanter. 



VNE, ventral V-shaped ridge of notum (entodorsum). 



vnr, line on surface of notum formed by VNR. 



W, wing. 



WP, wing process of pleurum. 



Miscellaneous lettering. 



a, reflected edge of anterior lamina of prephragma. 



b, reflected edge of posterior lamina of postphragma. 



c, nmall plate intervening between parapterum and head of costal vein. 



d, plate articulating between presternum and coxa of Tremex columba. 



e, accessory precoxal plate. 

 /, cervical sclerite. 



g, dorsal cervical sclerite. 

 h, parapsidal suture. 

 i, cervical sclerite of honey bee. 



j, lateral episternal ridge of Scolia dubia, marking the line where the pronotum over- 

 laps the propleurum. 

 J:, scuto-scutellar suture. 



1, ventral cervical sclerite of Scolia dubia. 

 VI, median plate or plates of wing base. 



0, lobe on posterior margin of scutellum. 

 p, cenchri. 



q, sterno-pleural suture. 



r, median episternal groove. 



u, prealar lobes of prescutum in Holorusia. 



V, occipital process of propleurum. 



w, posterior lobe of pronotum covering the first spiracle. 



3-, small plate between the presternum and the preepisternum in generalized segment. 



y, accessory sclerite of the fourth axillary {4Ax) in the honey bee. 



2, dorsal episternal groove. 



Numbering. 



The following are the names of the wing veins on plate 16, as used by Cresson in 

 the Ichneunionidae (76), transferred to a Siricoid wing (75), and the names current 

 amongst systematists for the veins of a Chalcidoid wing (77): 



1, costal vein. 



2, subcostal. 



3, radial. 



4, median or externo-median. 



5, anal, submedian, or interno-median. 



6, subanal. 



7, basal. 



8, transverse radius. 



9, cubital. 



10, transverse cubital. 



11, transverse cubital. 



12, transverse cubital. 



13, transverse medial. 



I 



