Explanation of the Plates. 549 



Fig. 30. First rudiments of the eye-spots of C/t&ro- 

 campa Elpcnor, Stage II. (corresponding also with Fig. 

 19 in position, the head of the caterpillar being to the 

 left). Subdorsal line slightly curved on segments 

 4 and 5. 



Fig. 31. Eye-spots at Stage III. of the larva Fig. 20 

 somewhat further developed (larva immediately before 

 third moult). Position as in Fig. 20. 



Fig. 32. Eye-spots at Stage IV corresponding to 

 Fig. 21, A being the eye-spot of the fourth and B that 

 of the fifth segment. 



Fig. 33. Eye-spot at Stage V. of the larva of C. 

 Elpcnor ; fourth segment. 



Figs. 30 33 are free-hand drawings from magnified 

 specimens. 



Fig- 34- Darapsa Chierihts from N. America. Adult 

 larva with front segments retracted. Copied from Abbot 

 and Smith. 



Fig- 35- CJuerocampa Tersa, from N.America. Adult 

 larva copied from Abbot and Smith. 



PLATE V. 



Fig. 36. Sixth segment of adult PaJ>ilio-\zrvx ; A, 

 P. Hospiton, Corsica ; B, P. Alcxanor, South France ; 

 C, P. Machaon, Germany ; D, P. Zolicaon, California. 



Figs- 37 44- Development of the markings of Dei- 

 Uphila Euphorbia. 



Fig. 37- Stage I. ; young caterpillar shortly after 

 emergence. Natural length, 5 millim. 



Fig. 38. Similar to the last, more strongly magnified. 

 Natural length, 4 millim. 



Fig. 39. Stage II. ; larva immediately after first moult. 

 The row of spots distinctly connected by a light stripe 

 (residue of the subdorsal line). Natural length, 17 

 millim. 



Fig. 40. Stage III.; after second moult; magnified 



