218 SPOLIA ZEYLANICA. 
available has yielded no satisfactory information, while, on the other 
hand, it has brought to light an apparent confusion between the 
larve of P. parinda and P. mooreanus. There appears to be, 
therefore, sufficient justification for a few notes on the four species, 
though it must be confessed that the material of P..mooreanus 
obtained up to the present has been very scanty. 

Fie. 1.—Larva of Papilio mooreanus (2). 
Fie. 2.—Larva of Papilio parinda. 
Fig. 3.—Larva of Papilio polytes. 
Fig. 4.—Larva of Papilio demoleus. 
In habit the larvee all feed on members of the natural order 
Rutacee, and are usually found on the cultivated species of Citrus. 
The adult larva, those in their fourth skin, may be easily distin- 
guished by the following key :— 
A. 4th and 5th segments markedly swollen ; 
much larger than succeeding seg- 
ments of .. Section A. 
B. 4th and 5th segments not markedly 
swollen ; hardly larger than succeed- 
ing segments ¥: .. Section B. 
