Z W------------------------------------------------------- -W | | Y Y Y | | | | | | Block A | Block A | Block A | | | | | +---------------X +---------------X +---------------X | | Y Y Y | | | | | | Block A | Block A | Block A | | | | | +---------------X +---------------X +---------------X | | Y Y Y | | | | | | Block A | Block A | Block A | | | | | +---------------X +---------------X +---------------X -Z Block A: Mars Merces Tyro Spicula Mora Oliva Comes Tibicen Vestis Block B: Ala Cortis Aer Uncus _Pallor_* Tergum Ostrum Bidens Scena Block C: Sector Hama Remus _Frenum_* _Plebs_* Sypho _Urna_* _Moles_* Saltus Block D: Ara Vomer Pluma Proeda Sacerdos Hydra Cortex Mica Flagellum Block E: Pilum Glans Colus Ocrea _Tessera_* Domitor Cardo _Cudo_* Malleus Block F: Agmen Laurus Arvus Crates _Cura_* Limen Thyrsus _Vitta_* Sceptrum Block G: Arcus Ovis Portio Laurus Tigris Segmen Axis Troja Aries Block H: Postis Clipeus Tabula _Orcus_* _Lacerta_* Testudo Verbum Luctus Anguis Block I: Telum Nepos Angusta _Polus_* _Penates_* Vulcan Cervix Securis Vinculum The relation between the four different arrangements shown in the tables A, B, C, and D, will be understood from what has been said in chapter VIII. about a small set of sixteen tessaracts. A glance at the lines, which indicate the directions in each, will show the changes effected by turning the tessaracts from the Mala presentation. In the Vesper presentation: The tessaracts-- (_e.g._ Urna, Ostrum, Comes), which ran Z still run Z. (_e.g._ Urna, Frenum, Sector), „ Y „ Y. (_e.g._ Urna, Moles, Saltus), „ X now run W. (_e.g._ Urna, Thyrsus, Cervix), „ W „ -X. In the Pluvium presentation: The tessaracts-- (_e.g._ Urna, Ostrum, Comes), which ran Z still run Z. (_e.g._ Urna, Moles, Saltus), „ X „ X. (_e.g._ Urna, Frenum, Sector), „ Y now run W. (_e.g._ Urna, Thyrsus, Cervix), „ W „ -Y. In the Lar presentation: