OF THE AMAZON VALLEY. 
525 
the two yellow spots across the middle of the fore wing are pale and •etatain spa rent ; 
the hasal area of the hind wing is also semitransparent. 
This variety occurs in company with the typical C. Ninonia at Cameta, on the To- 
cantins, in much greater abundance than its type. I met witii it also on the banks of 
the Tapajos, but there without the true C. Ninonia. It is found also at Cayenne, in com- 
pany with C. Leprieurii, a form which I did not meet with in the Amazon region. 
Var. 2. Expanse 2"-5"' Much larger than var. 1. The yellow spots across the middle 
of the fore wing are entirely wanting, there being only a crooked yellow belt across 
the black apical part. Both wings are much broader than in var. 1; and the hind 
wing is strongly angulated about the middle of outer margin. 
This variety occurs much further to the west. It is found, to the exclusion of var. 1, 
at Obydos, on the Guiana side of the Lower Amazons, and, again, on the Upper Amazons, 
at all the stations I examined, from the mouth of the Bio Negro to Peru. With it are 
found many individuals agreeing in colours with var. 1, although not in shape ; others 
occur intermediate between vars. 1 and 2. 
2. Ceratinia Thea, Hewitson. 
Ithomia Thea, Hewits, Exot. Butt. Itkomia, fig. 11. 
I consider this a well-marked and fixed local variety or race of 0. Ninonia. It has 
not been found hitherto elsewhere than on the banks of the Rio Negro, whose climate, 
soil, and forests are different from those of the main Amazons. 
3. Ceratinia Xanthostola, n. sp. 
S . Expanse 2" 5"'. In colours resembling C. Thea ; the wings very different in shape. 
The fore wing is long and narrow, very much longer than the hind wing (as in fig. 4, 
Ithomia, pi. 2. Hewits. Exot. Butt.). Opake orange-tawny ; costal edge and a faint spot 
in the centre of the cell blackish ; apical third (or more) black, crossed by a curved 
yellow belt, which reaches only the second median branch ; margin with a row of seven 
large rounded yellow spots. 
Hind wing semioval, the costal and subcostal nervures rigid and straight, reaching 
the apex, which forms a sharp angle : above, opake orange- tawny, with a broad, some- 
what regular dusky margin, in which is a row of seven rounded yellow spots. Beneath, 
the same, except that the base of the costa is yellow, that there is a stripe of dusky colour 
along the costal nervures, and a central dusky stripe along the wing, passing close behind 
the cell. 
This insect has the appearance of an aberration or extraordinary variety of C. Ninonia, 
in company with which and its varieties it is found. Many individuals, however, 
occurred ; and I think it is a form whose peculiarities are probably hereditary. 
4. Ceratinia Vallonia, Hewitson. 
Ithomia Vallonia, Hewits. Exot. Butt. Ithomia, fig. 13. 
This beautiful species was very rare at Para. In colours it resembles much 
Napeogenes Cyricmassa. 
