LXXXIX. The Circle in Perspective a True Ellipse 145
XC. Further Illustration of the Ellipse 146
XCI. How to Draw a Circle in Perspective
Without a Geometrical Plan 148
XCII. How to Draw a Circle in Angular Perspective 151
XCIII. How to Draw a Circle in Perspective more
Correctly, by Using Sixteen Guiding Points 152
XCIV. How to Divide a Perspective Circle
into any Number of Equal Parts 153
XCV. How to Draw Concentric Circles 154
XCVI. The Angle of the Diameter of the Circle
in Angular and Parallel Perspective 156
XCVII. How to Correct Disproportion in the Width
of Columns 157
XCVIII. How to Draw a Circle over a Circle or a Cylinder 158
XCIX. To Draw a Circle Below a Given Circle 159
C. Application of Previous Problem 160
CI. Doric Columns 161
CII. To Draw Semicircles Standing upon a Circle
at any Angle 162
CIII. A Dome Standing on a Cylinder 163
CIV. Section of a Dome or Niche 164
CV. A Dome 167
CVI. How to Draw Columns Standing in a Circle 169
CVII. Columns and Capitals 170
CVIII. Method of Perspective Employed by Architects 170
CIX. The Octagon 172
CX. How to Draw the Octagon in Angular Perspective 173
CXI. How to Draw an Octagonal Figure in Angular
Perspective 174
CXII. How to Draw Concentric Octagons, with
Illustration of a Well 174
CXIII. A Pavement Composed of Octagons and Small Squares 176
CXIV. The Hexagon 177
CXV. A Pavement Composed of Hexagonal Tiles 178
CXVI. A Pavement of Hexagonal Tiles in Angular
Perspective 181
CXVII. Further Illustration of the Hexagon 182
CXVIII. Another View of the Hexagon in Angular
Perspective 183
CXIX. A