The Bohemians of whom it is a question in this book have no connection with the Bohemians whom melodramatists have rendered synonymous with robbers and assassins. Neither are they recruited from among the dancing-bear leaders, sword swallowers, gilt watch-guard vendors, street lottery keepers and a thousand other vague and mysterious professionals whose main business is to have no business at all, and who are always ready to turn their hands to anything except good. The class of Bohemians referred to in this book are not a race of today, they have existed in all climes and ages, and can claim an illustrious descent. In ancient Greece, to go no farther back in this genealogy, there existed a celebrated Bohemian, who lived from hand to mouth round the fertile country of Ionia, eating the bread of charity, and halting in the evening to tune beside some hospitable hearth the harmonious lyre that had sung the loves of Helen and the fall of Troy. Descending the steps of time modern Bohemia finds ancestors at every artistic and literary epoch.