II. LAND BANKS, MORTGAGE BANKS, COOPERATIVE ­ SOCIETIES, AND SAVINGS BANKS. Banking institutions, acting as money changers and safe-keepers of money and valuables, have, according to “ Poschinger,” already existed at the beginning of the fifteenth century. Under the auspices of the Town Council, a bank was established in 1402 in Frankfurt a/Main, with a capital of 900 guilders (about £75 in English money), which was provided by the Town Council itself. The name of the bank was " Der Wessil,” meaning “ Exchange.” Already in 1403 this bank was reorganised, by being turned into four independent ­ institutions, probably because the one could not handle all the business offering in connection ­ with the active trade at the fairs, which were always largely attended. In 1621 a comparatively ­ large bank, on deposit bank principles, was founded in Hamburg, modelled on an institu ­