Plate II.—Fig. 3.
This butterfly, a variety of the Chrysippus, is rare in Teneriffe. It is found commonly in Africa and Western Asia, and is a transition variety between the Chrysippus and Alcippus. It has whitish hind-wings, rather silvery looking, with orange markings within the black border. The hind-wings have less white upon them than those of the Alcippus. It is similar in all respects and habits, mode of feeding, etc., to the Chrysippus, and is found gregariously with it. When kept collectively, about one in fifty of the chrysalides proves to be of this variety. The caterpillars of the three varieties of Danais described are about four weeks before turning to chrysalides, and remain in that state from two to three weeks before emerging to the imago.
DANAIS DORIPPUS v. KLUGII.
This is the fourth variety of the genus Danais, and is authentically claimed as one of the Teneriffe butterflies, though by no means commonly found. It varies from the Chrysippus in having no brown apical patch on the fore-wings, and it also has no band of white spots across them. It measures from two and a half to three and a half inches across the wings. It is not an inhabitant of England, but is commonly found in North Africa and Western Asia.
ARGYNNIS MAIA (Cram), or PANDORA.
Plate III.—Figs. 1 and 2.
This butterfly is one of the most beautiful Fritillarys, and is also one of the largest of Teneriffe butterflies, measuring in expanse from three and a half to four inches.
It mostly frequents woods and meadows, not often being met with below an altitude of fifteen hundred feet above the sea. It is found in South Europe, and is also met with in Africa. The time of its appearance commences in May, and continues during the summer months. The larva is purplish-brown with black markings; it feeds on heartsease. The upper and under side differ greatly, as may be seen in the illustrations. The prevailing colour of the upper surface is a beautiful bronze green, tinged with yellow on the fore-wings. The bronze green colour is freely marked all over by velvety black oblong spots, dashes, and lines, the margin of each wing having a continuous scalloped line of black. The body and hind-wings are very feathered and downy. The underside of the fore-wings is a brilliant pink-red and black colour, with an apical patch of green, having yellow markings. The hind-wings are green with a long irregular stripe of silver down the centre of each, the stripe being fringed on the outer edge by five silver dots. There is a marginal silver band with a fine yellow line running along the outer edge of the hind-wings. The body is green on the upper, and buff-yellow on the under-side, the legs being of the latter colour. There is not much difference between the male and female.