230 LLOYDS NATURAL HISTORY. 



in expanse, and are yellow or orange, with very large discoidal 

 spots on the fore-wings, at least in the females, in which sex 

 the hind-wings are sometimes bordered with red. The type, 

 P. ripris (Fabricius), is sulphur-yellow in both sexes. They are 

 all Tropical American species. 



GENUS SPH^NOGONA. 

 Sphcenogona, Butler, Cist. Ent. i. pp. 35, 44 (1870). 



The present genus, which is confined to the warmer parts 

 of America, chiefly differs from the succeeding ones in having 

 the hind-wings produced into an angle or short tail about 

 the middle median nervule. The sub-costal branch on the 

 hind-wings is emitted beyond the cell. 



Dr. Butler (/. c. p. 44) indicated S. ectriva as the type of the 

 genus, in which Dr. Scudder has followed him ; but previously 

 (/. c. p. 35) he had stated simply, that the genus "includes 

 6". ectriva, bogotana, and allies." The true type would appear 

 not to be S. ectriva, but S. bogotana, Felder ; for not only 

 was S. ectriva, in 1870, only a manuscript name of Double- 

 day's ; but when Dr. Butler described the species shortly after- 

 wards, he only did so by briefly comparing it with S. salome, 

 Felder, also an unfigured species at that time (which Felder, 

 when describing it, compared with his own S. bogotana\ and 

 this, again, Dr. Butler had already compared with S. bogstana, 

 Felder. The species of Sphcenogona are generally yellow or 

 white, with broad black borders, deeply indented on the fore- 

 wings with the ground-colour. As a representative of this 

 genus we have figured 



SPH^NOGONA MEXICANA. 



(Plate LIX. Fig. I.) 



Terias meocicana, Boisduval, Spec. Gen. Lepid. i. p. 655, no. 3, 

 pi. 19, fig. i (1836); Godman & Salvln, Biol. Centr.-Amer. 

 I^epid. Rhop. ii. p. 157 (1889). 



