FAUNA SIMALURENSIS. 49 
NOTE III. 
FAUNA SIMALURENSIS. 
LEPIDOPTERA RHOPALOCERA, 
FAM. DANAIDAE, 
BY 
R. VAN EECKE. 
(With 2 textfigures). 
Continuing the enumeration of the Butterflies from 
Simalur and neighbouring islets, collected by Mr. Edw. 
Jacobson, I especially call attention to the representatives 
of the above named family, which are very important to 
the knowledge of the fauna Indoaustralica. There were 
seven species: one of the genus Jdeopsis, four of Danais 
and two of HKuploea, of which number four were new 
forms. Later on I hope to publish a more detailed 
description of the Lepidopterous fauna of this remarkable 
group of islands, with the indispensable coloured plates. 
Genus Ideopsis Horsf. & Moore. 
1. Ideopsis gaura Horsf. nov. var. pseudocostalis. 1 o, 
4 OQ. Nos. 6061—6065. 
Hab. Pulu Babi, 4/1913, and Sinabang (Simalur), 7/1913. 
I. gaura Horsfield (Cat. Lep. Ins. M. E. I. C. p. 6, fig. 1, 
1828) from Java is quite the same species as I. daos 
Boisduval (Spec. Gén. I, p. 24, fig. 3, 1836) from the 
other islands of the Malayan archipelago. There is no 
anatomical difference between these local varieties, the 
pattern only is not quite the same, because gaura shows 
more brown squamae on the nervature, by which the 
Notes from the Leyden Museum, Vol. XXXVI. 
4 
