Contents 30 April 1886 Vol ns-7, Issue 169SContents MULTIPLE PERSONALITY Science30 Apr 1886 : 397-399 Full AccessRestricted Access PDF SOME REMARKABLE GEMS By George F. Kunz Science30 Apr 1886 : 399 Full AccessRestricted Access PDF RACE AND LANGUAGE By H. Hale Science30 Apr 1886 : 399-401 Full AccessRestricted Access PDF THEORETICAL OPTICS Science30 Apr 1886 : 401-402 Full AccessRestricted Access PDF THE ROTIFERA By C. S. Minot Science30 Apr 1886 : 402-403 Full AccessRestricted Access PDF PROPER NAMES Science30 Apr 1886 : 403-404 Full AccessRestricted Access PDF KING OF THE BELGIANS’ PRIZE Science30 Apr 1886 : 404 Full AccessRestricted Access PDF