Hmmm.
In seeking online for Polygamia Triumphatrix I found a source online for Thelyphthora by Martin Madan.
"A Treatise on Female Ruin, in its causes, effects, consequences, prevention, and remedy; considered on the basis of the Divine Law: under the following heads, viz.—Marriage, Whoredom, and Fornication, Adultery, Polygamy, Divorce; with many other incidental matters particularly including an Examination of the Principles and Tendency of Stat.
26 Geo. II. c. 33. commonly called The Marriage Act."
en.wikisource.org