PROF. CRUMRINE PATTERSON declares that his motive in writing this text-book of projective geometry was "the feeling that a more complete discussion than is usual in elementary textbooks is desirable".

THIS text-book of modern projective geometry forms an admirable introduction to the subject, and should be known to all who are interested in this branch of mathematics. The first chapter deals with ...

(Installation view of works by Brigitte Mahlknecht (left), Judith Saupper (center), William Cordova (right). (Courtesy ACFNY/Luca Mercedes) The Projective Drawing at the Austrian Cultural Forum New ...