708 Explanation of Plates. 
EXPLANATION OF PLATE XXXIV. 
Under-sides of bred specimens of Catopsilia pyranthe, Linn. 
Nos. 4, 5, 8 are males; the rest females. 
The first vertical row (Nos. 2, 1, 7, 6) were kept as larve in an 
atmosphere saturated with moisture. 
The second vertical row (Nos. 17, 15, 16, 3, 4) were kept under 
normal conditions as larvee, and iced as pupe. 
The third vertical row (Nos. 14, 9, 5, 11, 8) were kept as larve in 
an atmosphere rendered anhydrous by unslaked lime. 
In each row the most heavily marked specimens are placed first ; 
the least heavily marked are placed last, 
The first two rows tend to be of the form usually called gnoma ; 
the last row consists of the form pyranthe. 
EXPLANATION OF PLATE XXXV. 
Sketch Map of Ceylon, showing the migratory flight of various 
species of Butterflies. 
An explanation of the lines employed is given on the Map. 
