NORTH AMERICAN BUTTERFLIES, 203 



than any of the others, below all is a rather indistinct dot. Expands 

 1.10 to 1.20. Habitat, New Mexico, Arizona and Nevada. 



569. NISONIADES AUSONIUS Lint. 

 Southern Brown Skipper. 

 Similar to N. perseus, but lacks the spots in apex of fore wing. 

 Expands LOG. Habitat, Middle States and West Virginia. 



570. NISONIADES MARTIALIS Scud. 



Dark-banded Skipper. 

 Differs from N. perseus in being very dark above, nearly black, in 

 having four spots in apex of fore wing, upper minute, one at end of cell 

 and two below, all these furming a kind of rude circle which encloses a 

 lighter patch ; on hind wings the spots are very distinet, in two rows, 

 and there is a bar at end of cell. Expands 1.40 to 1.70. Habitat, At- 

 lantic States to Florida, Mississippi Valley, Kansas, and Colorado. 



571. NISONIADES AFRANIUS Lint. 



Dark Skipper. 

 Dark as in N. martialis, with four spots in a line in apex of fore 

 wing, two in cell with some grayish scales in space occupied by the whit- 

 ish patch in N. martialis. Two rows of pale spots on hind wings. Ex- 

 pands 1"20. Habitat, Southern Colorado and Arizona. 



572. NISONIADES JUVENALIS Harr. 



Seven-spotted Skipper. 

 Larger and paler than the last, with seven spots on fore wings as 

 in the Plate X, 7. Spots, large. Only an indication of a bar at end of 

 cell on hind wing above. Expands 1.;15 to 1.55. Habitat, Atlantic 

 States to Florida, Mississippi Valley, Colorado, Arizona, Ontario, and 

 Quebec. Occurs with others in iNIay. 



573. NISONIADES PETRONIUS Lint. 



Florida Brovv'n Skipper. 



Similar to N. juvenalis, but differs in being larger, spots on fore 



wing smaller, and the four spots at apex are not quite in line, the third 



being nearer base than the others. Expands 1.90 to 2.00. Habitat, 



Indian River, Florida. 



