470 Mr. F. Smith's Revision 



The male is smaller, about six and a half lines long, and 

 is coloured like the female ; the two central spines on the 

 apical segment of the abdomen scarcely project beyond 

 the lateral ones, but in the females of this genus they in- 

 variably do. 



Hub. — Australia ( Sydney ; Moreton Bay ; Queensland ; 

 Port Essington ; Swan River). 



* 2. Stilhum amethystinum* 



Chrysis amethystina, Fabr. Syst. Entom. p. 859, i ; 



Ent. Syst. ii. p. 243 ; Syst. 

 Piez. p. 176. 

 Chrysis calens, Fabr. Ent. Syst. ii. p. 239 ; Syst. Piez. 



p. 171 ; Rossi, Faun. Etrus. ii. 74. 

 Stilbum splendidum, Brulle, Hist. Nat. des Ins. Hym. 

 (St. Farg.), iv. p. 15, $, $ ; 

 Dahlb. Hym. Eur. ii. p. 358 ; 

 Gerst. Peters' Reise Mossamb. 

 p. 519; Smith, Journ. Linn. 

 Soc. iv. p. 144. 

 Stilhum calens, Spin. Ins. Ligur. i. p. 9 ; Brulle, Hist. 

 Nat. des Ins. Hym. (St. Farg.), 

 iv. p. 16; Dahlb. Hym. Eur. 

 ii. p. 360, ^ , 2 ; Lucas, Explo. 

 Sc. de r Alger, iii. p. 315, ph 

 17, fig. 13 ; Chevr. Chrys. du 

 Bassin du Leman, 7. 

 Stilbum Wesmaeli, Dahlb. Hym. Eur. ii. p. 359, $ . 

 Stilbum ametJiystinum, Smith, Journ. Linn. Soc. iv. 



p.l77._ 

 Hab. — ^Australia; Senegambia; Sierra Leone; Angola; 

 Port Natal ; Cape of Good Hope ; Mozambique ; Mada- 

 gascar; Egypt; Arabia; Algeria; Calcutta; Tarancore ; 

 Himalaya ; Singapore ; Java ; Celebes ; Aru ; Gilolo ; 

 Cerani ; New Guinea; China; Japan; Persia; Turkey; 

 Barbary ; Greece ; Italy ; France ; Dalmatia ; Sicily. 



3. Stilbum viride, Guer. 



Stilbum viride, Guer. Revue Zool. Mai, 1842, p. 144, ?; 



Brulle, Hist. Nat. des Ins. Hym. 



(St. Farg.)iv. 16, ^. 

 Hab. — Madagascar. 



In the British ^luseum is a specimen from Madagascar 

 collected by Madame Ida Pfeiffer, Avhich I believe to be 



