7. "De Viribus Aquarum et Specierum."

8. "De Proportione Fistularum."

9. "De Judicio Patientis."

10. "De Re Herbaria."

11. "De Tuenda Valentudine."

12. "De Particularibus Morbis."

13. "Thesaurus Pauperum."

All of these latter may be regarded as doubtful.

The authorities named by Gilbert are Pythagoras, Hippocrates, Plato,
Aristotle, Galen, Rufus, Maerobius, Boetius, Alexander of Tralles,
Theodorus Priscianus, Theophilus Philaretes, Stephanon (of Athens?),
the Arabians Haly Abbas, Rhazes, Isaac Judaeus, Joannitius, Janus
Damascenus, Jacobus Alucindi, Avicenna and Averroës; the Salernian
writers, quoted generally as Salernitani and specifically Constantino
Africanus, Nicholas Praepositus, Romoaldus Ricardus and Maurus, and
two otherwise unknown authors, Torror and Funcius, classed by Gilbert
as "_antiqui_." The latter author is also said to have written a
"_Liber de lapidibus_." Certainly this list suggests a pretty good
medical library for a practitioner of the 13th century.

Dr. Payne calls attention to the fact that all these writers antedate