Nonnunquam etiam prolapsus in ipsam fistulam calculus: quia subinde ea extenuatur non longe ab exitu inhaerescit. Eum, si fieri potest, oportet evellere vel oriculario specillo, vel eo ferramento quo in sectione calculus protrahitur. 'Sometimes also a stone slips into the urethra itself and lodges near the meatus, because at that part there is a constriction. It should if possible be extracted either with an ear probe, or with the instrument for the extraction of calculus in lithotomy.' This shows that the scoop must have been quite a narrow instrument, or it could not have passed into the urethra. It must have had very much the same appearance as the modern 'Ferguson's Scoop'. We have two extant specimens of the ancient lithotomy scoop in the Naples Museum, one of which is shown in Pl. IV; and in the marble _ex voto_ tablet in the Athens Museum, to which I have already referred, there is a representation of a manubriolus curved so as to serve as a lithotomy scoop (Pl. XLVI, fig. 2). Rufus of Ephesus mentions this form of scalpel handle. _Lithotomy Forceps._ Was there a forceps for extracting calculus from the bladder? The sixteenth-century translation of Aetius (IV. iv. 94) by Cornarius has the following passage, under the treatment of calculus in the female: Et tunc paululum supra pudendi alas, quo loco calculus occurrit sectionem facito et per calcularium forcipem extrahito. The original Greek of this part of Aetius has not yet been published, but from a pretty intimate knowledge of Cornarius's methods I have a strong suspicion that 'calcularium forcipem' may be a free translation of λιθουλκός, as in the following passage in Paul: 'Sometimes from the pressure of the finger or fingers at the anus the stone starts out readily at the same time as the incision is made, without requiring extraction. But if it does not of itself start out we must extract it with the instrument called the stone extractor' (τοῦ λιθουλκοῦ) (VI. lx).