708 Explanation of_ Plates. 



Explanation of Plate XXXIV. 



Under-sides of bred specimens of Gatopsilia p-yrantJie, Linn. 



Nos. 4, 5, 8 are males ; the rest females. 



The first vertical row (Nos. 2, 1, 7, 6) were kept as larvse in an 

 atmosphere saturated with moisture. 



The second vertical row (Nos. 17, 15, 16, 3, 4) were kept under 

 normal conditions as larvse, and iced as pupoe. 



The third vertical row (Nos. 14, 9, 5, 11, 8) were kept as larvse 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 ilight of various 

 species of Butterflies. 



An explanation of the lines employed is given on the Map. 



