A, Arrow from proboscis-cavity (pc) passing to left of peri cardium (per) and out through proboscis pore-canal.
The spores are ejected from the apothecia and peri thecia as in the fungi by forcible ejacu lation from the asci.
Dorsalwards into the peri - cardial sinus through fine perforations of its floor, and so makes its way into the heart again.
Of lost works by Archimedes we can identify the following: (I) investigations on polyhedra mentioned by Pappus; (2) Archai, Principles, a book addressed to Zeuxippus and dealing with the naming of numbers on the system explained in the Sand Reckoner; (3) Peri zygon, On balances or levers; (4) Kentrobarika, On centres of gravity; (5) Katoptrika, an optical work from which Theon of Alexandria quotes a remark about refraction; (6) Ephodion, a Method, mentioned by Suidas; (7) Peri sphairopeoia, On Sphere-making, in which Archimedes explained the construction of the sphere which he made to imitate the motions of the sun, the moon and the five planets in the heavens.
Of Kharput the Murad is joined by its principal tributary, the Peri Su, which drains the wild mountain district, Dersim, that lies in the loop between the two arms. The Murad Su is of greater volume than the Frat, but its valley below Mash is contracted and followed by no great road.
We possess two declamations under his name: Peri Sofiston, directed against Isocrates and setting forth the superiority of extempore over written speeches (a recently discovered fragment of another speech against Isocrates is probably of later date); ''Odusseus, in which Odysseus accuses Palamedes of treachery during the siege of Troy (this is generally considered spurious).