250 
Louis B, Front on the 
however, very probable that the type in question is a 
small and somewhat abnormal specimen of the following, 
in which case corriinilata will be the oldest name for the 
species. 
85. Euphyia zona (Dognin) (praec. subsp. ?) 
(Plate XLVIII, fig. 8.) 
Scotosia zona, Dognin, Ann. Soc. Ent. Belg., xlv, 181 (1901). 
Scotosia tetrica, Berg, MS. (in Mus. Buen. Aires). 
Buenos Aires, two one dated December 1, (1902?), 
the other January 24, 1909—the latter here figured—both 
presented by Mr. A. F. Bayne ; one or two others in coll. 
A. F. Bayne; Tucuman, one ^ in coll. Dognin. 
Described from two ^s and one ^ from Santa Cruz, S. 
Brazil; M. Dognin also possesses a $ from Rio Grande do 
Sul (probably Porto Alegre), received through Staudinger. 
Larger (usually 86 mm., both sexes, as against 30 mm.) 
and darker than Warren’s corrivulata, apparently also 
somewhat more glossy ; the basal patch better defined, 
the distal margin of median band somewhat less outbent 
in middle. 
When first I compared this insect with Warren’s type, 
I took it to be a distinct species, its size and aspect being 
so decidedly different. Then Mr. Warren determined them 
as couspecific, and I re-examined the question, with the 
results indicated above. I had it figured as “ nov. subsp.” 
under the name of tetrica, which, I was told by Mr. Bayne, 
it bears in the Buenos Aires Museum. But fortunately I 
have learned, in time to suppress that name, that it is 
Dognin’s zona. Both he and Prof. Berg were trapped, by 
its dark coloration, into calling it a Scotosia. The Buenos 
Aires examples and those in coll. Dognin suggest that it is 
not at all a variable insect as a rule ; on the other hand, 
the existence of this form and corrivulata side by side 
at Tucuman prevents my treating it wholly as a local race; 
while the presence of a ^ in coll. Br. Mus. (simply labelled 
Argentinn, O. W. Thomas), somewhat lighter than M. 
Dognin’s and mine, yet agreeing with them in size and all 
essentials, gives a further hint that possibly Mr. Warren 
may be right in sinking zona. 
Mr. Bayne tells me it is fond of coming into houses and 
buildings, and is difficult to obtain in good condition. 
Oidaria mutabilis, Mab., Bull. Soc. Philom., (7) ix, 69 
