1204 CATALOGUE OF 



wings much smaller than that of the female, concave on the interior 

 side. 



Var. p. Fern. Vitreous spot of the hind wings interrupting 

 the exterior band. 



Var. y. Fern. Vitreous spot of the fore wings not concave on 

 the inner side. 



a, b. Brazil. From Mr. Mornay's collection. 



c. Brazil. From Mr. Stevens' collection. 



d. Brazil. From Mr. Argent's collection. 



e. Guatimala. From M. Salle's collection. 



Group 2. 



Antennae thoracem adaequantes. Alae macula maxima vitrea ; 

 anticae subfalcatae, apud costam vix convexae, margine exteriore 

 subconcavo; posticae valde latiores quam longae, abdomen vix plus 

 dimidio superantes, macula vitrea ovali. Mas. — Antennae late pec- 

 tinatae. 



Antennae as long as the thorax. Abdomen extending to a little 

 less than half the breadth of the fore wings. Wings ample; each 

 with a very large discal vitreous spot, adjoining to which on the 

 outer side there is a slender oblique vitreous band, which extends 

 from before two-thirds of the length of the costa of the fore wings to 

 beyond two-thirds of the interior border of the hind wings. Fore 

 wings very slightly convex in front, somewhat falcate at the tips, 

 slightly concave, and very oblique along the exterior border ; 

 vitreous spot more or less triangular ; its longest side hindward, and 

 almost parallel to the costa. Hind wings very much broader than 

 long, very much broader than the fore wings ; vitreous spot oval, a 

 little larger than that of the fore wings. 



5. Attacus Arethusa. 



Cervina ; thorax albo bifasciatus ; abdomen vitta abbreviata alba; 

 alee fascia vitrea intus nigro extus fulvo marginata, extus 

 nigro cyaneo rufoque conspersce ; anticce apud costam cinerea, 

 fascia basim versus angulata alba nigro ex parte marginata, 

 macula magna subapicali subpurpurea extus albo rufo 

 luteoque necnon macula nigra marginata, margine exteriore 

 testaceo fascia angusta undulosa nigricante ; postica? fascia 

 basim versus obliqua alba, margine exteriore fulvo fascia tenui 

 undulosa maculisque interioribus nigris. 



Saturnia Arethusa, M8S. 



