So Lloyd's natural history. 



Spi?idasis, Wallengr, Lepid. Rhop. Caffr. p. 45 (1857). 



This is a genus including several East Indian and African 

 species, with triangular fore-wings, and somewhat produced 

 and lobate hind-wings, furnished with two slender tails. The 

 upper side is more or less extensively marked with blue or 

 orange on a dark ground, and the under side is marked with 

 transverse bands, more or less silvery in the middle, or with 

 parallel lines arranged in pairs, and filled up with silver. Many 

 of the species are extremely similar. The larva and pupa are 

 more elongate than is usual in the LyccEuidcB, 



The type is 



APHN^US ORCAS. 



Papilio orcas, Drury, Illustr. Exot. Ent. iii. pi. 34, figs. 2, 3 



(1782). 

 Hesperia pindarus^ Fabricius, Ent. Syst. ill. (i) p. 262, no. 15 



(1793)- 

 Papilio phidarus^ Donovan, Ins. India, pi. 38, fig. 2 (1800). 

 Polyommatus areas, Godart, Enc. Meth. ix. p. 645, no. 102 



(1823). 



Aphiceus orcas, Hewitson, Illustr. Diurn. Lepid. p. 60, no. i 



(1865). 



This Butterfly, which measures an inch and a quarter in ex- 

 panse, is a native of We^^t Africa. 



In the male the centre of all the wings is of a shining 

 greenish-blue, with the costa and hind-margin black. There are 

 three black spots in the cell of the fore-wings, and two red 

 spots at the anal angle of the hind-wings. The under side is 

 of a yellowish-grey, with broad silvery blotches and bands 

 bordered with chocolate-brown. On the lobe at the anal angle 

 of the hind-wings is a large black spot, bordered above with 

 orange. The female is uniform dark brown ; the fore-wings 

 with a pale spot at the end of the cell. The under side is 



