246 HKVISIOX OF TlIK TIIVXNID.*; OF AUSTRALIA, I., 



emai-giiiatioii. The aculeus is sharply recurved, but does not 

 project much beyond the epipygiuiii. 



There is a colour variety in the British Museum in which the- 

 abdomen is dark fuscous. 



The female placed with this species in the British Museum 

 Collection probably does not belong to it. 



//«6.— N.W. Australia. 



Most nearly allied to E. integer Fab. 



E. MORio Westw. 



Rhagigaster morio Westw., Arc. Ent. ii. 2, p. 105, n.4, 1844((J); 

 Sauss., Raise d. Nov.Zool.ii. l,p.l 14,n.6,t.4, f.67, 1867((J); 8auss., 

 Stett. Ent. Zeit. xxx. p.58, n.8, 1869(9). 



ThynniLS serripes 8m., Cat. Hym. B. M. vii. p. 44, n. 12-5, 1859(9). 



Saussure's descriptions are good. He expresses some doubt as- 

 to the correctness of the pairing, which has been now settled by 

 more than one collector. 



^«6.— Sydney, N. 8.W. 



iNly dissections of the female show the maxillary palpi six- 

 jointed as in Westwood's plate showing E. hicolor. 



E. BARNARDI, n sp. 



(J. Mandibles slender, almost falcate, the tooth on the inner 

 margin hardly at all developed. Clypeus with a short longi- 

 tudinal carina from the base, which branches in front enclosing 

 a triangular space which is shining, and sparsely punctured, the 

 punctures large and confluent. The sides of the clypeus covered 

 with long white pubescence. A V-shaped carina between the 

 antennse and a transverse frontal carina, which does not reach 

 the eyes. Front finely rugulose, occiput punctured. Labrum 

 exposed. Prothorax rugulose, the lateral angles less prominent 

 than in the other species of the genus; mesothorax and scutellum 

 coarsely punctured. Median segment finely punctured, vertically 

 truncate posteriorly, the surface of the truncation .delicately 

 reticulated. Abdomen densely punctured, the tw^o apical segments 

 most coarsely, segments 2-6 constricted near the base. N"o 



