The nature of prostitution has changed considerably over the period, but towards the tail-end of the seventies there was a dramatic increase in the number of prostitutes and customers on the streets in Finsbury Park, North London. According to the findins of local cirme survey which was recently carried out in the neighbouring borough of Islington the concern about prostitution tends to be concentrated in particular streets and housing estates. Author was interested at the time in questions of legality and how street prostitution and kreb-crawling might be effectively regulated. Author was intrigued by the reliance on predominently nineteenth century legislation.