A harrowing tale questions why science can be so cruel to animals

A harrowing tale questions why science can be so cruel to animals
A traveller to a penal colony gets the grand tour of an enormous torture machine.
To what lengths would a mad painter go to paint a portrait of hell?
A dissection has never been described in such rich horror.
The seventh entry in my Archaeology of Weird Fiction challenge is a short, decadent tale set at an extravagantly cruel masqued ball.