4. Frenum, Plebs, Sypho, Tergum, Oliva, Moles, Hama. 5. Urna, Moles, Plebs, Hama, Remus, Pallor, Mora, Tibicen, Mars, Merces, Comes, Sector. 6. Ostrum, Comes, Tibicen, Vestis, Scena, Tergum, Oliva, Tyro, Aer, Remus, Hama, Sector, Merces, Mars, Ala. 7. Sypho, Saltus, Moles, Urna, Frenum, Uncus, Spicula, Mars. 8. Plebs, Pallor, Mora, Bidens, Merces, Cortis, Ala. 9. Bidens, Tibicen, Vestis, Scena, Oliva, Mora, Spicula, Mars, Ala. 10. Urna, Ostrum, Comes, Spicula, Mars, Tibicen, Vestis, Oliva, Tyro, Aer, Remus, Sector, Ala, Saltus, Scena. 11. Frenum, Plebs, Sypho, Hama, Cortis, Merces, Mora. APPENDIX G. EXERCISES ON SHAPES OF FOUR DIMENSIONS. The Names used are those given in Appendix C. The first six exercises are in the 81 Set, and the rest in the 256 Set. 1. Mala projection: Urna, Moles, Plebs, Pallor, Cortis, Merces. Lar projection: Urna, Moles, Plebs, Cura, Penates, Nepos. Pluvium projection: Urna, Moles, Vitta, Cudo, Luctus, Troja. Vesper projection: Urna, Frenum, Crates, Ocrea, Orcus, Postis, Arcus. 2. Mala: Urna, Frenum, Uncus, Pallor, Cortis, Aer. Lar: Urna, Frenum, Crates, Cura, Lacus, Arvus, Angusta. Pluvium: Urna, Thyrsus, Cardo, Cudo, Malleus, Anguis. Vesper: Urna, Frenum, Crates, Ocrea, Pilum, Postis. 3. Mala: Comes, Tibicen, Mora, Pallor. Lar: Urna, Moles, Vitta, Cura, Penates. Pluvium: Comes, Tibicen, Mica, Troja, Luctus. Vesper: Comes, Cortex, Praeda, Laurus, Orcus. 4. Mala: Vestis, Oliva, Tyro. Lar: Saltus, Sypho, Remus, Arvus, Angusta. Pluvium: Vestis, Flagellum, Aries. Vesper: Comes, Spicula, Mars, Ara, Arcus. 5. Mala: Mars, Merces, Tyro, Aer, Tergum, Pallor, Plebs. Lar: Sector, Hama, Lacus, Nepos, Angusta, Vulcan, Penates. Pluvium: Comes, Tibicen, Mica, Troja, Aries, Anguis, Luctus, Securis. Vesper: Mars, Ara, Arcus, Postis, Orcus, Polus. 6. Mala: Pallor, Mora, Oliva, Tyro, Merces, Mars, Spicula, Comes, Tibicen, Vestis. Lar: Plebs, Cura, Penates, Vulcan, Angusta, Nepos, Telum, Polus, Cervix, Securis, Vinculum. Pluvium: Bidens, Cudo, Luctus, Troja, Axis, Aries. Vesper: Uncus, Ocrea, Orcus, Laurus, Arcus, Axis. 7. Mala: Hospes, Tribus, Fragor, Aer, Tyro, Mora, Oliva. Lar: Hospes, Tectum, Rumor, Arvus, Angusta, Cera, Apis, Lapis. Pluvium: Acus, Torus, Malleus, Flagellum, Thorax, Aries, Aestas, Capella. Vesper: Pardus, Rostrum, Ardor, Pilum, Ara, Arcus, Aestus, Septum. 8. Mala: Pallor, Tergum, Aer, Tyro, Cortis, Syrma, Ursa, Fama, Naxos, Erisma. Lar: Plebs, Cura, Limen, Vulcan, Angusta, Nepos, Cera, Papaver, Pignus, Messor. Pluvium: Bidens, Cudo, Malleus, Anguis, Aries, Luctus, Capella, Rheda, Rapina. Vesper: Uncus, Ocrea, Orcus, Postis, Arcus, Aestus, Cussis, Dolium, Alexis. 9. Mala: Fama, Conjux, Reus, Torus, Acus, Myrrha, Sypho, Plebs, Pallor, Mora, Oliva, Alpis, Acies, Hircus. Lar: Missale, Fortuna, Vita, Pax, Furor, Ira, Vulcan, Penates, Lapis, Apis, Cera, Pignus.