This is something more likely to be found in a Tibetan temple rather than a Masonic temple.
There is some artistic license taken: During his Masonic ceremony, the villain drinks out of a cup fashioned from a human skull.
I was importuned by persons of the first rank to pursue my Masonic career through many degrees unknown in this country.
He was buried with full Masonic honors, being a valued member of that order.
And again, glancing at the stranger's hands, he looked more closely at the ring, with its skull—a Masonic sign.
Masonic emblems said to have been found in mounds in the United States.
The individual expelled ceases to be a Mason, so far as respects the exercise of any Masonic rights or privileges.
Ere he arrived, the Masonic fraternity had performed the last sad rites.
Where you know, answered the Chief, making a Masonic sign, The Temple.
Moreover, the words of the Masonic statutes, "be kindly and courteous," recurred to him.