19G [September, 



ON THE SPECIES OF AMNOSIA, Westw. 

 BY PERCY T. LATHY. 



Some little confusion appears to have been caused among the 

 species of the genus Amnosia, owing to the majority of Lepidopterists 

 having identified A. Martini, Honrath, as the Sumatran form ; if this 

 were correct, the name Martini would have to be sunk as a synonym 

 of Eudamia, Grose-Smith, which has priority, while the form from 

 Borneo would retain the name of haluana, Fruhst. De Niceville 

 and Martin, Journ. As. Soc. Bengal, vol. Ixiv, part ii, No. 3, 382 

 (1895), treat the species in this manner. 



The types of A. Martini are now in the possession of Mr. Adams, 

 and on examining them I find that they are from Borneo, consequently 

 it is to the Bornean form that the name Martini, Honrath, applies, 

 and, therefore, haluana, Fruhst., will have to sink as a synonym of it. 

 De Niceville and Martin, I. c, say that Honrath based his species 

 on white ? '^ oi A. Eudamia ; this, however, is incorrect, as in the 

 original description of the former species it is distinctly stated that 

 the female is in two forms, one with a brownish-yellow, the other with 

 a milk-white band ; the type belongs to the former. 



Appended is a list of the species contained in this genus, to- 

 gether with a key by which they may be distinguished. 



A. decora, Doubld. and Hew., Gen. D. L., t. 51, fig. 4 (1850). Hah. : Java. 



A. Eudamia, Grose-Smith, Forbes, Naturalist's Wanderings, p. 275 (1885). 

 Hab. : Sumatra. 



A. Martini, Honrath, Berl. Ent. Zeit., xxxvi, Heft ii, p. 439 (1891). 



Syn. : A. haluana, Fruhet., Ent. Nachr., xx, p. 302 (1894). Hab. : Borneo. 



A. decorina, Fruhst., Ent. Nachr., sx, p. 303 (1894). Hab. : Nias. 



KEY rO SPECIES 

 (males). 



A. Hind-wing below with four submarginal ocelli. 



(a) Diagonal band of fore-wing blue, and of equal width A. decora. 



(b) Diagonal band of fore-wing silvery-blue, and wider in centre... 



A. Eudamia. 



B. Hind-wing below with five submarginal ocelli. 



(a) Fore-wing below with a wide curved subapical lilac faacia. .. A. Martini. 

 (i) Fore-wing below with indistinct straight lilac fascia A. decorina. 



(females). 



A. Hind- wing below with four submarginal ocelli. 



(a) Diagonal band of fore-wing bordered with blue A. decora. 



(ft) Diagonal band not bordered with blue A. Eudamia. 



B. Hind-wing below with five submarginal ocelli. 



(a) Discal line of hind-win^jbelow touching second ocellus ...A. Martini. 

 (6) Discal line of hind-wing elow well separated from second ocellus... 



A. decorina. 



