dusky tint. But the examples from the West Indies seem to run more 

 or less into speciosa. There are specimens from St. Croix and St. Kilts, 

 different only from the South American ornatrix by the beginning of red 

 longitudinal stripes on the primaries, while others show these stripes 

 wider and broader, until the red coin,- is extended by degrees over the 

 whole wing. 



The most striking specimen, from St. Croix, has quite red primaiies, 

 the base is white, three sharply delined white bands run from costa to 

 middle of wing, the subterminal white band is distinct, all the bands 

 contain black spots, and there are also a few white, rounded spots; one 

 opposite the first band, near the inner margin; one opposite the second 

 band in the middle of the wing, and 2 smaller spots, enclosing black 

 dots between the third and s.t. band. Secondaries' white, with black 

 outer margin as in ornatrix. There is no doubt that these examples are 

 transitions from ornatrix to speciosa. It is a fact well known to Entomo- 

 logists, that the insular climate influences the size and color of some in- 

 sects; and this seems to take place with these species to a considerable 

 degree. Bella seems to be the Northern form which flies from the At- 

 lantic States to Texas, where it is replaced by ornatrix, the Southern form, 

 and this reaches into South America, and also appears in the West 

 Indies But it is variable in the small Islands, and fluctuates more or 

 less between the mainland form, and the insular speciosa. 



Speciosa is the insular form and remains constant in the largest 

 Islands, becoming variable in the smaller ones, and there it sometimes 

 merges into delta. Among the specimens of speciosa in Dr. Staudinger's 

 collection, there are two labeled "Bogota". They are collected by 

 Baron von Nolken, and it seems doubtful whether this labelling is cor- 

 rect, because neither Dr. Staudinger nor myself ever got speciosa from 

 South America. Mr. Nolken on his way to Bogota also collected in 

 Jamaica, and it is possible that these two specimens were caught in this 

 Island and not in South America, and that the labelling was done by 

 mistake. 



Finally I shall attempt to rectify the synonomy of this species, for 

 Linne described ornatrix before bella, and the former name must be ac- 

 cepted for the species and bella must be applied as one of its varieties. 



U. ornatrix Linn. Syst. Nat. p. S37 (1767); Fab.; Dairy; Hb. ; Wcstwood; 

 \V,k., List 567; Stretch, Illustr., p. 56, PI. II, fig. 18. 

 Habitat: Texas, Mexico, West Indies, South America. 



Var. bella Linn. Syst. Nat. p. 885 (1767); Fab.; Dru.; Westwood; Morris; 

 Harris; Packard; Grote; Cramer, Vol. II, p. 20, (in part); Wlk., List, p. 568; 

 Stretch, Illustr., p, 56, PI. II, fig. 15. 



Habitat: N. Amer., Canada to Texas, Cuba, W. Ind. (merging into speciosa). 

 Var. speciosa Wlk., List, p. 56S (1854); Clem., Syn. Lep. North Am., app. 

 p. 314 (1862); Stretch, Illustr., p. 57, PI. II, fig. 16; bellaCram., Vol. Ill, p. 20 

 (in part), PI. 109, figs. CD. (1779); Mb. Verz., p. 168 (1816). 



