t 



BY G. A. WATERIIOUSE. 147 



The Australian species may be recognised by the following 

 table : — 



A. Upperside in both sexes with a white patch on both wingg; 



cilia dark, spotted with white. 

 a. White area on forewing in ^ small; no metallic scales on 



upperside in $ apoUonius. 



h. White area on forewing in ^ large; metallic scales on both 



wings on upperside in $ sempis. 



c. Of large size; colour grey-blue and no metallic sheen on 



upperside syrius. 



B. No white area' on forewing in J^ ; white areas on both wings 



in $ ; of small size. 



a. Cilia unspotted , taygetus. 



b. Cilia spotted macleayi. 



>C. Very small (if any) white area on forewing in J- ; white areas 



on both wings in $ ; of moderate size; a single tail to 



the hindwing in both sexes arinia. 



On the underside the separation into three sections may be made as 

 follows : — 



A. danis section with black costal and outer margins of forewing continuous, 



a subcostal metallic band. 



B. taygetus section with black costal and outer margins nearly divided by 



white subapical projection, a subcostal metallic band. 



C. cyanea section with black costal and outer margins continuous, no sub- 



costal metallic band. 



Danis apollonius, Felder (Plate ii., fig. 8). 



Reise Nov. Lep. ii. p. 265, t. 33, f.3, 1865: Thysonotls apollonius, 

 Druce, P.Z.S. 1893, pi. xlv. figs. 5, 6 : D. danis, Senip., Mus. Godf. 

 Lep. xiv. p. 154, 1878 (nee Cram.): D. sebce, Misk., Syn. Cat. 

 Rhop. Aust. p. 49, 1891 (nee Boisd.). 



(J. 22 mm. Forewing with costa very uniformly arched, apex 

 fairly acute, outer margin nearly straight, inner margin straight. 

 Hindtuing with costa arched, particularly at base, outer margin 

 rounded, without a tail or any anal prolongation. 



U p p e r s i d e. — Fo7'ewing blue, with black costa and outer 

 margin and a white disc, rest of wing pale blue. Black costal 

 margin extending to costal nervure and along apex and then more 

 broadly along outer margin to angle; the white area wholly 



