B., S. Plane Geometry: An Account of the More Elementary Properties of the Conic Sections, treated by the Methods of Co-ordinate Geometry, and of Modern Projective Geometry, with Applications to ...

Noteworthy features are the treatment of inversion, the circle of curvature, three-point and four-point contact, the harmonic envelope and locus of two conies, the plane cubic and quartic, and the ...