By G. H. French.
HOW TO KNOW THE BUTTERFLIES
By John Henry and Anna Botsford Comstock.
45 colored plates, showing about 125 species.
GUIDE TO BUTTERFLIES
By Samuel Hubbard Scudder.
22 uncolored plates, showing about 100 species.
THE BUTTERFLIES OF THE WEST COAST
By W. G. Wright.
32 colored plates, with figures of 487 species.