TOKTRICIDiE, 
249 
RHYTHMOLOGA, n. g. 
Palpi long, porrected, thickened with appressed scales, terminal 
joint moderate, bent downwards. Forewings 2 from 3 from 
angle, 7 to termen. Hind wings without cubital pecten ; 3 and 4 
connate, 5 absent, 6 and 7 long-stalked. Thorax probably crested. 
A development of Eulict. 
Rhythmologa numerata, n. sp. 
$ . 24 mm. Head whitish. Palpi whitish, second joint irro- 
rated grey. Thorax whitish, shoulders grey. Forewings rather 
dilated, termen nearly straight, oblique ; grey-whitish, strewn with 
fuscous dots forming longitudinal series between veins, 2 or 3 
larger black dots towards termen in middle ; some small blackish 
marks or strigulse along dorsum ; a trapezoidal dark grey blotch 
mixed blackish on middle of costa, connected with dorsum before 
middle by a fascia of fuscous or brownish suffusion with anterior 
edge defined and irregular or concave, but undefined posteriorly ; 
an elongate-triangular spot of grey suffusion on costa about |; a 
terminal series of black dots : cilia whitish. Hindwings whitish, 
slightly greyish-tinged posteriorly ; cilia whitish. 
Colombia, Ht. Tolima, 10,500-11,500 feet, October; 2 ex. 
EULXA Hiibn. 
Having now seen considerable material of this genus from South 
America, its home, I find that those South American species which 
1 had referred to Onephasia should all be transferred to Eulici ; the 
character by which I have hitherto distinguished the two genera 
(the stalking or approximation of 6 and 7 of hindwings) is not 
good or practicable, since the groups so separated are not naturally 
distinguishable, and in some species both forms occur. Hence 
I now propose to distinguish Eulia from Onephasia by the strongly 
developed thoracic crest, which in Onephasia is only slight and 
generally absent; this gives a natural grouping, and is geographi¬ 
cally consistent. The species are numerous in the Andes, apd 
I have also ascertained that some are highly variable, and have 
already been described under several names. 
Eulia muscosana Zell. 
Examination of a large number of specimens shows that magi- 
cana Zell., chaldera Druce, smaragditis Meyr,, and chloantha Wals. 
are only forms of this species ; it is exceedingly variable in the 
development of the markings, which, however, remain essentially 
always of the same general arrangement; the characteristic 
emerald-green mixture, though extremely diverse in exhibition, is 
always present in some degree. The species is widely distributed 
in Central and South America, occurring up to 12,500 feet in 
Colombia. 
Eulia trilobopa, n. sp. 
0 . 26 mm. Head yellow-whitish. (Palpi broken.) Thorax 
whitish-yellow, a blackish antemedian bar dilated in middle and 
