Proceedings of the American Academy of Arts and Sciences, 

 Vol. XXXVII. No. 11. — January, 1902. 



THE PARAMETRIC REPRESENTA TION OF THE NEIGH^ 



BORHOOD OF A SINGULAR POINT OF 



AN ANALYTIC SURFACE. 



By C. W. M. Black. 



MARINE BIOLOGICAL LABORATORY. 



Received ^^l.^ y/^^:^, 



Accession No. / P^.'^ f^.,. 



Given by '<^.->:^r^.^<^^<>:^*=<?^,'^^^ 

 Place, 



ouUl^ 



***rlo book oit pamphlet is to be pemoved fpom the Iiab- 

 OPQtOPy laithout the permission of the Trustees. 



