74 BULLETIN 123, ' UNITED STATES NATIONAL MUSEUM. 



27. Median bar unbroken from base to margin (3) crambitana. 



Median bar not unbroken from base to margin 23 



28. Median bar absent; white markings oblique (20) ragonoti. 



Median bar present; white markings longitudinal 29 



29. Median bar reaching from base to middle of wing 30 



Median bar not reaching from base to middle of wing (13) sandiego. 



30. An unbroken silver band along costa from base to just before apex. 



(5) canariana. 

 No such unbroken costal band 31 



31. Ground color of fore wing golden ochreous (6) ridingsana. 



Ground color of fore wing pink or red 32 



32. Median bar and spots narrow; ground color pinkish (7) fernaldana. 



Median bar and spots broad; ground color rust red (8) magnidicana. 



33. Serpentine white bar on disk near center of wing 34 



Serpentine white bar on lower median field, forming a line along fold to 



tornus, thence upward along termen to apex (15) optimana. 



34. A long silver stripe along dorsal margin of fore wing (14) gilletteana, 



A single w^hite spot on dorsal margin near middle 35 



35. Serpentine white bar continued to base of fore wing (16) agassizii. 



Serpentine white bar not continued to base of fore wing but often joining 



dorsal margin near base (17) bolanderana. 



36. Fore wing ochreous white or pale ochreous, lined with white ; the white 



markings often obscure ; if distinct, not silvery ; no ocellus ; no dark 



patches on dorsal margin 37 



Fore wing otherwise '. 41 



37. White markings rather sharply contrasted against ground color 38 



White markings fine and obscure or poorly contrasted against ground 



color 39 



38. With a white serpentine bar on lower median field curving upward from 



dorsal margin near base and returning to dorsal margin near tornus. 



(21) serpentana. 



No such serpentine bar; but with strong median white bar extending from 



base to just beyond middle of wing (24) morrisoni. 



39. Ground color pale dull ochreous ; white lines very fine ; no marked median 



streak (27) agricolana. 



Ground color whitish ochreous ; "white lines often blending into ground 

 color; but rather coarse than fine; median white streak distinguish- 

 able 40 



40. White areas predominating over dark, giving a generally white appearance 



to wing (23) argentialbana. 



Dark areas somewhat more predominate than the white, giving wing a 



rather dirty white appearance jj^f) pergandeana. 



\ (26) var. flavana. 



41. Fore wing cream white, whitish-ochreous, ochreous, golden, reddish, or 



grayish-fuscous; with ocellus usually strongly marked, consisting of one 

 or more short horizontal black lines or a series of black dots between 

 two or three vertical white or metallic bars; costa usually finely strigu- 

 lated with Avhite; often with scattered spots or curved lines of semi- 

 metallic scales ; if ocellus is poorly defined, a clouding of fuscous scales 

 forming a blotch of dark scaling somewhere in cell ; no distinct dark 



patches on dorsal margin ; no definable dark basal patch 42 



Fore wing otherwise 61 



