Cayleyian Curve
The Envelope of the lines connecting corresponding points on the Jacobian Curve and Steinerian Curve.The Cayleyian curve of a net of curves of order 
has the same Genus (Curve) as the Jacobian Curve andSteinerian Curve and, in general, the class 
.
References
Coolidge, J. L. A Treatise on Algebraic Plane Curves. New York: Dover, p. 150, 1959.
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