INDEX.

405

Singing birds, in hydraulics, 307-Sinkings, in the soffit of the corona, 110.

Sinope, 215.

Six, deemed a perfect number, 80.

SKIA0HPAY, 26. 284.

Slabs, in pavement, 200.

Smyrna, 194. 215; city of, 100. 148.

Socket-pieces, chelonia, 299-Socrates, 75. 77* 192.

Soffit, of the corona, 110.

Soloe, a town of Sicily, 241.

Soracte, stone quarries of, 53.

Sound work (catenatio), 68.

Space between two veins of earth, or timber, &c. 51. 54. 70.Spain, 38. 165. 215. 220.

Sparta, 58.

Spectacula, in theatres, the places for the beholders, 141. 131.Spheroidal surface, 251.

Springs, 240 ; supply of water from, 252.

Spur, 331.

Square (ancones normae), prothyrides, 261; stone, 56. 112. 53;rule and square, 204; method of doubling the area of thesquare, 261.

Square, quadratum, 107-Stadia, covered, 156.

Staircases, in a theatre, 141; method of setting out the steps, 262.Stalks (caulicoli), in capitals, 102. 211.

Stalks, of plants, represented on walls, 211.

Stand-pipes (columnaria), in aqueducts, 254.

Stars, rising and setting of, 283.

Statonia, prefecture of, 54.

Statuaries, distinguished, 76-Steelyard (statera), 309- 333.

Steps, 89- 131; lower, of*staircases, 263.

Stereobata, stylobata, 88.

Stocks, brazen, 332.