LIST OF WRITINGS. 



413 



Slide, or Sliding rale 



Solar system 



Solid, Solidity 



Solid angle 



Solid, surface, line, 

 point 



Solid, superficial, 

 and linear dimen- 

 sions 



Solstices 



Solution 



Space and Time 



Species, mathematics 



Sphere, or globe 



Sphere, doctrine of 

 the 



Spherical trigono- 

 metry 



Spheroid 



Spiral 



Square 



Square root 



Stable and unstable 



Star, donble star, 

 cluster of stars 



Statics 



Stationary, mecha- 

 nics 



Stationary, astro- 

 'nomy 



Stereographic 



Sterling ? 



Straight, straight 

 line, plane 



Sturm's Theorem 



Subcontrary 



Sublime (geometry) 



Subsidiary 



Substitution 



Subtraction Subtra- 

 hend, Minuend 



Sufficient reason 



Sum and difference 



Sum, Summation 



Sun 



Sun-dial 



Sun, eclipse of 



Surd 



Surface, Surfaces, 

 theory of 



Surfaces of the 

 Second Degree 



Syllogism ? 



Symbols and 

 Notations 



Symmetry, Sym- 

 metrical 



Sympathetic sounds 



Synodic, Synodic 

 Revolution 



Synthesis 



System, mathema- 

 tics 



System, astronomy 



Table 

 Tangent 

 Taylor, Brook, 



theorem 

 Term (algebra) 

 Theodosius of 



Bithynia ? 

 Theon, the elder 

 Theorem 



Theory and practice 

 Theory of couples 

 Theory of equations 

 Three, rule of 

 Time 



Time of descent 

 Toledo, tables of 

 Transcendental 

 Transformation 



Transformation of 

 co-ordinates 



Transits of Mercury 

 and Venus 



Transversal 



Trapezium, Trape- 

 zoid 



Traverse tables 



Triangle 



Triangula and Tri- 

 angulum Austral e 



Trigonometrical co- 

 ordinates 



- curves 



series 



survey 



tables 



Trigonometry 



Trisection of the angle 



Trochoidal curves 



Troy weight 



Tube 



Tuning 



Twilight 



Ullage 

 Ulugh Beg 

 Undetermined 

 Universal and Parti- 

 cular ? 

 Universe 

 Unlimited 

 Uranus 



Vacuum, or Void 



Vanish (mathematics) 



Variable 



Variations, calculus of 



Varignon, Pierre 



Velocity 



