INDEX. 



Accelerating Screw-chain 409 



Accelerator in a 2-system 420 



Address to British Association 496 



Amplitude of a Twist defined 1 1 



Angle between two Screws 276 



Angle between two Screws in a 3-system 

 204 



Anharmonic property, fundamental 113 



Anharmonic property of Homographic Sys 

 tems 266 



Appell on Cylindroid 29, 535 



Association, British, address to 496 



Axioms of the Content 435, 448, 451 



Axis, Homographic 127 



Axis of Inertia 123 



Axis, Principal properties of 260, 400 



Battaglini 20, 34, 249, 518, 519, 520 



Biquaternions 521 



Bolyai 521 



Bonola 439 



British Association, address to 496 



Buchheim 433, 522, 528 



Budde 533 



Burnside, Prof. W. 522, 533 



Burnside, Prof. W. S. 281 



Canonical, Co-reciprocals 38 ; Displace 

 ment of Rigid Body 7 ; System of Forces 

 on Rigid Body, 10 



Caporali 539 



Cardinaal 539 



Cartesian. Equation of Cylindroid 19, 224 ; 

 Equations of Screw 39 



Casey 30, 495 



Cayley 20, 433, 509, 511, 514, 522, 527, 533 

 Chains, Screw-; Harmonic, 395; Homo- 

 graphy of 373; Impulsive and Instan 

 taneous 392; Principal of Inertia 394; 

 Theory of 367 



Chasles 1, 4, 510, 511, 512, 514, 524 



Chawner 75, 531, 536 



Chiastic Homography 306, 307 



Circle, Representing Cylindroid 45 



Clifford 433, 464, 509, 521, 525, 527, 528, 

 536 



Coefficient, Virtual 17, 18 



Complex, Linear 17, 20 



Composition of Twists and Wrenches 16, 18 ; 

 of Vectors 473 



Cone, Reciprocal to a Cylindroid 27 



Conic, The Pitch-, 24, 204 



Conjugate Screws, of Inertia 71, 299; of 

 Potential 89 ; of Quadratic ^-system 

 240 



Conjugate Screw-chains of Inertia 396 



Conoid of Pliicker 20 



Constraints 63, 64, 119 



Contact of Conic and Cubic 490 



Content, Axioms of the 435, 448, 451 



Content defined 433 



Co-ordinates, of Impulsive Screw 356 ; of a 

 Rigid Body 355 ; of Restraining Wrench- 

 chain 407 ; of a Screw 31, 36 ; of a Twist 

 or Wrench 34 



Co-reciprocal Screws 33, 38, 335 



Correspondence 383 



Corresponding Screw-systems 271 



Cox, Homersham 522, 527 



Cubic equation in 3-system 492 



