NOTES ON THE SYNONYMY OF NOCTUID MOTHS. 13 
I have no doubt that this is a slight variety of Walker’s 
A. derogata, described from St. Domingo and Venezuela, but 
also common in the States; one of our examples of A. luridwa 
answers well to Guenée’s description of his A. impasta, which, 
however, was described from Cayenne. The question, therefore, 
arises whether A. derogata and A. luridula should not both be 
regarded as varieties of A. impasta; yet the latter may prove 
distinct when a Cayenne specimen is compared with A. derogata. 
It seems nonsense to call the typical form a variety of A. luridula, 
therefore the better way would be simply to quote Walker’s 
A. derogata as a synonym. 
Anomis xylina, Say. 
Anomis grandipuncta, Guenée, Noct. ii. p. 400, n. 1266 (1852). 
Aletia argillacea, Grote (see Check List, p. 33, n. 812) (1882). 
North and South America. Coll. B. M. 
I cannot admit this identification of A. argillacea. Hiibner’s 
figure neither corresponds in outline nor in markings with 
A. grandipuncta, which is the species labelled as A. argillacea 
by Grote. Nevertheless, Hubner’s figure is not good. 
Anomis argillacea.. 
Aletia argillacea, Hubner, Samml, Exot. Schmett. Zeitr. 
figs. 399, 400. 
Anomis illita, Guenée, Noct. ii. p. 400, n. 1265 (1852). 
A. conducta, Walker, Lep. Het. xiii. p. 990, n. 6 (1857). 
Para, Venezuela, and St. Domingo. Coll. B. M. 
Prof. Riley gave us a series of Anomides some years ago, 
amongst which was an example from the United States, of what 
I take to be only a slightly more dusky form of this species, 
= A. hostia, Harvey. 
ACONTIIDA. 
Acontta, Ochs. 
Acontia malve. 
Noctua malve, Esper, Schmett. iv. pl. exev. fig. 4. 
? Xanthodes stramen, Guenée, Noct. i. p. 210, n. 976 (1852). 
3 Xanthia imparata, Walker, Lep. Het. x. p. 467, n. 19 (1856). 
& Xanthodes inefficiens, Walker, Lep. Het. xv. p. 1752 (1858). 
@ X. impellens, Walker, l. c. 
Europe and Asia. Coll. B. M. 
Noctua flava of Fabricius can hardly belong to this genus. 
The description, ‘‘ Parva in hoe genere, tota flavescens alis 
anticis strigis plurimis, undatis ferrugineis,” will not at all do 
for the Xanthodes transversa of Guenée, which is not small, and 
only has three angular lines across the primaries. 
