Although it was billed as a midcareer retrospective, only two of the works included in “The End and the Beginning” dated from before the past three years, but one of these was the result of many years of Herculean labor. Kathy Prendergast has been a notable presence in Irish art since the early ’80s, when, as a student, she produced her first map works—a time when the trope of the map was by no means as ubiquitous in contemporary art as it was subsequently to become. The inevitable centerpiece of this show was the most extensive presentation to date of Prendergast’s series of pencil drawings of