11. [Greek: peri taes kath hypnon mantikes] or [Greek: peri mantikes
pes hen tois hypnois]: _De divinatione per somnum_: On prophecy in
sleep.
12. [Greek: peri makrobiotetos kai brachybiotetos]: _De longitudine et
brevitate vitae_: On length and shortness of life.
13. [Greek: peri neotetos kai geros kai peri zoaes kai thanatou]: _De
juventute et senectute et de vita et morte_: On youth and age, and on
life and death.
14. [Greek: peri anapnoes]: _De respiratione_: On respiration.
[Numbers 7-14 are grouped together as Parva naturalia.]
15.[+] [Greek: peri pneumatos]: _De spiritu_: On innate spirit
(_spiritus vitalis_).
16. [Greek: peri ta zoa istoriai]: _Historia animalium_: Description
of facts about animals, i.e. their organs. &c.
17. [Greek: peri zoon morion]. _De partibus animalium_: Philosophy of
the causes of the facts about animals, i.e. their functions.
18.[+] [Greek: peri zoon kineseos]: _De animalium motione_: On the
motion of animals. [Ascribed to the school of Theophrastus and Strato
by Zeller.]
19. [Greek: peri zoon poreias]: _De animalium incessu_: On the going
of animals.
20. [Greek: peri zoon geneseos]: _De animalium generatione_: On the
generation of animals.
21.[+] [Greek: peri chromaton]: _De coloribus_: On colours. [Ascribed
to the school of Theophrastus and Strato by Zeller.]
22.[+] [Greek: peri akouston]: _De audibilibus_. [Ascribed to the
school of Theophrastus and Strato by Zeller.]
23.[+] [Greek: Physiognomonika]: _Physiognomonica_: On physiognomy,
and the sympathy of body and soul.
24.[+] [Greek: peri phytos]: _De plantis_: On plants. [Not Aristotle's
work on this subject.]
25.[+] [Greek: peri thaumasion akousmatos]: _De mirabilibus
ausculationibus_: On phenomena chiefly connected with natural history.
26.[+] [Greek: Maechanica]: _Quaestiones mechanicae_: Mechanical
questions.