Sentence:  The pope offered a hundred marks in Latin to who should eviscerate or <WSD>evirate</WSD> him (poisons very potent, whereat the Italians are handy), so apostolic and desperate a doctor is Dr. Glaston, — so acute in his quiddities, and so resolute in his bearing! 
Meaning of the word marked with <WSD> tags:  To castrate.