148 DR. F. WOOD JONES ON THE [Feb. 16, 
Larva feeds on the leaves of Guettarda speciosa Linn., native 
name “ Melati.” When first hatched they are quite black, and they 
only become green in their penultimate and ultimate skins. 
They are subject to endless variation, and if bred in the dark, 
very striking larve, coloured yellow and black, can be produced ; 
the imagines resulting from these larve are normal. This insect 
occurs on Christmas Island. 
(16) Herse convoryuti Linn. 
Not a very common insect. Found most plentifully on Pulu 
Selma. The larva is either green or brown, and it feeds on 
Convolvulus parviflorus Vahl. In the atoll this is the moth 
specially named “(Rama rama,” although in the Straits that word 
is the general name for all moths. 
(17) CHa#RocAMPA VIGIL Guer. 
The perfect insect is rarely seen, but the larva is very abundant 
in September. It feeds on the leaves of Pisonia inermis (native 
name “ Ampol”); it is green, but in its last skin it frequently 
becomes putty-coloured. When fed in the dark the last skin is 
almost invariably brown. A month is passed in the pupa. This 
species occurs on Christmas Island. 
GEOMETRIDAE. 
(18) CHLOROCLYSTIS TENUILINEA Warr. 
Not uncommon in June and August. The larva is green, with 
darker markings, and is slightly hairy. Feeds on the sticky 
flowers of Pisonia, and pupates among them. 
PYRALIDA. 
(19) Pyrauis MANIHOTALIS Guer. 
Not at all plentiful. 
(20) MELISSOBLAPTES sp. 
Very abundant on all the islands of the group. 
(21) ZINCKERNIA FASCIALIS Cram. 
Always common. ‘This widely distributed species also occurs on 
Christmas Island. 
(22) MARASMIA VENIHALIS Walk, 
One of the commonest insects. Appears in June, and is always 
to be found about the station lamps. 
(23) CrocrDOLOMIA BINOTALIS Zell. 
Only a few examples met with in June. 
(24) PacHyzANCLA LICARSISALIS Walk. 
Abundant from June to August. The larva is green, with 
