173 LOZENGE PLAN, WITH COMBINING LINES. THE LOZENGE IS IMAGINARY, AND DOES NOT INDICATE THE RADII IN EXTENSION ONE WITH THE OTHER, BUT ONLY THE ORDER OF SUB-DIVISION OF THE PENTAGONAL AND DECAGONAL ROSETTES.
174 SUB-DIVIDE AS IN PLAN THE SPACE SURROUNDING A POINT INTO TWENTY EQUAL PARTS. AT THE MEETING OF THE HORIZONTAL WITH THE VERTICAL LINE DRAW A CONCENTRIC CIRCUMFERENCE IN WHICH IS INSCRIBED THE STARRED DECAGONAL ROSETTE. THE SMALL PENTAGON IS DOMINANT.
174 SAME GROUND-WORK AS NUMBER 172, BUT WITH A GREATER INTERVAL BETWEEN THE ROSETTES. ONE OF THE ROSETTES, INSTEAD OF BEING RECTILINEAR, IS CURVILINEAR.