12 BUTTERFLIES OF THE RIVIERA 



HABITAT. - - Vallon Obscur and Mont Vinaigrier, 

 Nice ; Vence-Cagnes, and many other places. 



Not uncommon. 



OVUM. Conical, longitudinally ribbed, and striated 

 transversely. The first brood occurs in April and May; 

 the second, in July and August. 



LARVA. On Cruciferae and Resedaceae, from 

 June to September. 



VARIETIES. v. Napaese. 

 and ab. Bryonise, ?. 



HABITAT. The former is found in the same localities 

 as the type. 



Bryoniae is a beautiful dark form of the female, 

 found in mountainous districts. 



HABITAT. It occurs at Saint- Martin-Vesubie, on 

 the Chemin de Venanson ; also at the Cascade 

 (Boreon). 



F. Oallidioe. 



TIMES OF APPEARANCE. June to August, and even 

 September. 



HABITAT. Mt. Balme de la Frema, at Saint- 

 Martin- Vesubie, at an elevation of 8000 feet, and 

 over; and Madone des Fenetres near the" Lac", 

 among other localities. 



LARVA. On Arabis alpina and other alpine 

 Cruciferae, in August and the beginning of September. 



PUPA. The chrysalis passes the winter fastened 

 to the rocks, the imago emerging in the following 

 summer. 



OBSERVATIONS. Local in its habits ; but abundant 

 where it occurs. The females of Callidice are 



