EUMiEUS. 469 



in South America. Many species of Thecla occur in Europe and North America ; but their metropolis is South America, where, in 

 size and brilliancy, they far excel those of more temperate regions. The Theclides of the East compose the genera Myrina, Amplypodia, 

 Ilerda, Dipsas, Ataxas, and Aphnteus ; whilst those of Africa constitute the genera lolaus and Anthenc ; and those of New Holland 

 that of lalmenus. The copper butterflies are, for the most part, European ; a few species are, however, scattered over most parts of 

 the world. The small British species, Phla;as, appears also to inhabit both North America and India. 



With regard to the relations of this foniily, it appears to form an interesting link between the species which have the chrysalis state 

 girt across the body (Papilionidas), and those which have the fore tarsus of the males exarticulate (Nymphalidre, Erycinidie). M. Bois- 

 duval accordingly places it immediately after our Papilionidai, followed by tlie Erycinidaj and t!ie species with suspended chrysalides. 



The genus Eumajus (Eumcnia Godari) has been separated into a distinct family by Boisduval and E. Doubleday ; but, upon a 

 careful examination of its structural details, united to a knowledge of its chrysalis state, for which I am indebted to Dr. Boisduval, I 

 have no hesitation in uniting it with the present family. 



Genus I. EUM^US. 



EuMiEUS Uubner. 

 EuMENiA Godart. 



Body slightly robust; wings large, entire; those of the male more suffused with metallic scales above than those of the 



female ; under side marked with numerous patches of metallic scales. 

 Head moderate-sized, with a slight transverse tuft on the crown. 



Eyes large, naked. 



Antemuc short, thick ; joints short, not ringed with white ; terminated by a long and gradually formed, but not 

 thick ckdi. 



Labial Palpi horizontally porrected, clothed with very closely pressed scales ; the tip extending about twice the 

 length of the head. Terminal joint slender, about one third the length of the second joint (rather longer and 

 more ovate in the female). 

 TnoEAX moderately robust, clothed with very fine hairs. 



Fore Wings large, entire, rounded ; the apical margin in the female more convex than that in the male. Costal 

 vein extending to two thirds of the length of the costa. Postcostal vein emitting two branches only, both 

 arising considerably before the anterior extremity of the discoidal cell, the terminal portion of the vein extend- 

 ing to the rounded tip of the wing ; upper discoidal vein arising, at a short distance beyond the cell, from 

 the postcostal, of which indeed it might be considered as the terminal portion. Upper disco-cellular vein 

 obsolete : middle and lower ones of equal length, short, slender ; the middle one arising at about the same 

 distance beyond the second branch of the postcostal, as exists between the first and second branches ; the lower 

 one uniting with the third branch of the median vein at about the same distance from its origin as exists 

 between the first and second median branches. 



Hind T17«^,s sub-ovate, entire along the outer margin. Costal vein extending to the rounded outer angle; pre- 

 costal apparently obsolete ; postcostal ai'ising near the body, branching at a moderate distance from the base. 

 Upper and lower disco-cellular very slender, oblique, and of nearly equal lengh, forming nearly a continuous 

 line as long as the space between the base of the branch of the postcostal and the origin of the upper disco- 

 cellular; the lower one uniting with the third branch of the median vein at a short distance from its base. 



Fore Legs about two thirds the length of the hind ones ; in both sexes clothed with scales, and of nearly equal 

 length. The tarsus of the male formed of a single joint, armed beneath with numerous fine spines, as well as 

 at the tip: those of the female five-jointed; the three intennediate joints equally short ; the iifth furnished with 

 claws and their appendages. 



Hind Legs moderately long and scaly ; the intermediate femora with a small produced lobe near the tip, the tibiaj 

 having a corresponding impression near the base. Tarsi with very small claws, rather obtuse, and furnished 

 with a small obtuse tooth below the apex on the under side. I'ulvillus small, heart-shaped, notched in the 

 middle in front. I'scudonychia broad, very short, tliin, membranous, obliquely truncated, and finely setose. 

 Abdomen of tlie male furnished on each side at the tip with a long tuft of hair. Terminal joint truncate at the tip, 

 hollow beneath, emitting two very slender horny seta;, and a longer slender horny piece, rather dilated at the tip. 



Chrysalis short, very robust, convex, and entire, obtuse at each end ; the centre of the thorax-case raised 



