XVI 
CLASSIFICATION. 
Geometry. 
Analytical geometry in general, 790, 792, 797. 
Plane Curves, 746*, 785. 
Degenerate forms of curves, 747. 
Quartic Curves, 748, 779. 
Déblais et remblais, 782. 
Tortuous curves, 708, 785. 
Geodesic curvature, 766. 
Theory of surfaces, general, 709, 749*, 767. 
Transformation of coordinates, 742, 783. 
Reciprocal surfaces, 750. 
Wave-surface, 727. 
Apsidal surfaces, 735. 
Deformation and flexure of surfaces, 724, 765. 
Hypergeometry, 730. 
Schubert’s numerative geometry, 762. 
Various Subjects. 
Spherical Trigonometry, 732. 
Kinematics of a plane, 734. 
Maps, colouring of, 707. 
Electricity, distribution of, on spherical surfaces, 706. 
Potential, 757. 
Presidential Address to the British Association, 784. 
Biographical articles ; Galois, 788. 
Gauss, 789. 
Landen, 791. 
Monge, 793. 
Wallis (John), 798. 
Miscellaneous 
714, 715, 718, 720, 723, 756, 758.