12J6 CATALOGUE OF 



somewhat falciform. Male. — Antennae extremely deeply pectinated ; 

 branches of equal length, slender, ciliated, in pairs. Abdomen not 

 extending beyond one-fourth ofc one-third of the breadth of the hind 

 wings. Fore wings more falcate than those of the female and more 

 oblique along the exterior border. Hind wings broader. Female. — 

 Antennae deeply pectinated. Abdomen much less or much more 

 than half the breadth of the hind wings. 



13. Attacus Vacuna. 



Alee antice maris falcatte, fascia eommuni media alba ; omnes 

 lunula magna media vitrea,utrinque albo flavoque marginata ; 

 anticce macula ovali nigra subapicali (albo supra ciscumdata.) 



Saturnia Vacuna, Westw. Proc. Zool. Soc. Lond. 1849, 39, 1, pi. 7, 

 f. 1, mas. 



" Male. Fore wings considerably falcate at the tips ; hind 

 wings almost triangular. Female. — Fore wings somewhat emargi- 

 nate in the middle of the hind margin ; hind wings less elongated. 

 Male. — Antennas broad, with forty-six rays on each side lying flat; 

 the four rays of each joint of equal length. Female. — Antennae of 

 considerable breadth, with forty-eight or fifty rays on each side. 

 Palpi very short, but distinct and rather slender. Spiral tongue 

 distinct, composed of two flattened fur filaments." — Westw. 



Very much like A. Cynthia and A. lunula in structure. 



a. Ashanti. From the Wesleyan Missionary Society's collection. 



14. Attacus Mythtmna, Westw. 



Rufo-fuscus ; antennce fulvce ; thorax posticus albo fasciatus ; 

 abdomen fasciis apiceque albis ; alee albo conspersce, fascia 

 undulosa alba intus fusco marginata, margine exleriore tes- 

 taceo ; anticce vitta brevi alba basali, apud apices cervince 

 striga angulosa alba maculaque atra ; posticce fascia basim 

 versus alba maculisque exterior ibus fuscis. 



Saturnia Mythimnia, Westw. Proc. Zool. Soc. Lond. 1149,40,2, 

 pi. 8, f. 3. 



" Fore wings considerably emarginate along the outer margin 

 in the male, more slightly so in the female. Palpi porrected, not 

 extending beyond the hairs of the clypeus. Antennae broadly pen- 

 nate, with the rays continued to the tip. Male. — Antennae with 



