310 Col. C. Swinhoe on the Geographical 
says, “TI am thinking much of the Gnathos in your Noctue ; 
this forms quite a feature, locates them in the direction of the 
Geometre, removes them from the bulk of the Noctue, and 
it is remarkable that the species which occur in Britain should 
be so selected that all (except Brephos) should lack this 
feature.” 
The examination of the genitalia divides all those that have 
been dissected into six groups, as follows :— 
1. Cosmophila erosa, Hiibner, Zutr. Samm]. exot. Schmett. 
ii. p. 19, figs. 287, 288 (1810). 
Hab. America. 
Valves wide compared with length. , 
Harpe soft and spined. 
Costal arms very thin, scale-like. 
Anellus*, lateral arms smooth, not knobbed. 
Coremata very small and slight, single. 
Penis short and broad, cornutus delicate. 
The stiffening of the eighth abdominal segment very slight. 
(PIERS figs 1.) 
Caracas, Venezuela, Jalapa (Mexico), Newcastle (Jamaica), 
Sapucay (S. America). 
2. Cosmophila xanthindyma, Boisd. Faun. Ent. Madagascar, 
pe 94, pl. xiii. fig. 7 (1833). 
Cosmophila auragoides, Guen. Noct. ii. p. 897 (1862). 
Harpe well developed on valve, rigid. 
Costal arms not evident. 
Anellus very pronounced, lateral arms solid, rigid, knobbed. 
Coremata very voluminous, single. 
Penis long and narrow, cornuti scarcely evident. (PI. 1X. 
figs. 2, 3.) 
Dar-es-Salam, Karachi. 
3. Cosmophila edentata, Walker, xi. p. 750 (1857). 
Harpe soft and spined. 
Costal arms rigid, slightly hooked. 
* Passage through which the penis passes, 
