7610 



9th point determined by 8. Kierboe, T. N. Ts. 



Mth. 7 (B) (1896) 53-; Fschr. Mth. (1896) 



437-. 

 depending on system of conies. 



Smith, H. J. S. A. Mt. 2 (1868-69) 318-. , 

 , Salmon's theorem. Goursat, E. 



N. A. Mth. 15 (1896) 20-. 

 point, polar conic of which is a circle. Stuy- 



vaert, . N. A. Mth. 18 (1899) 275-. 

 through 9 points, condition for double point. 



Thomae, J. Leip. Mth. Ps. B. 47 (1895) 515-. 

 , construction. Chasles, M. C. E. 36 



(1853) 943-. 

 , . Tslnger, V. Y. [1867] (xn) 



Eec. Mth. (Moscou) 3 (1868) (Pt. 1) 290-. 

 , . Beyel, G. Z. Mth. Ps. 40 (1895) 



99-. 

 points of inflexion. Hesse, L. 0. Crelle J. 28 



(1844) 97- ; 38 (1849) 257-. 



. Salmon, G. Crelle J. 39 (1850) 365-. 



. Sartiaux, A. [1867] (xn) Lille S. 



Mm. 5 (1868) 429-. 

 . Clebsch, R.F. A. [1869] Mth. A. 2 



(1870) 382-. 

 . St Germain, A. de. N. A. Mth. 12 



(1873) 356-. 

 . Servais, C. Brux. Ac. Bll. 20 (1890) 



453-. 

 . Wiman,A. N. Ts. Mth. 5 (B) (1894) 



, and cusps of curves of 3rd class. 

 Painvin, L. F. [1862] (xn) Lille S. Mm. 

 10 (1864) 103-. 



, generalisation of theorem. Legoux, 



A. N. A. Mth. 2 (1883) 77-. 

 , position. Disteli, M. Ziir. Vjschr. 



35 (1890) 145-. 

 , and stationary tangents of curves of 



3rd class. Hesse, L. O. Crelle J. 38 (1849) 



257-. 

 , theorem. Bussell, W. H. L. [1882] 



E. S. P. 34 (1883) 35-. 

 , (Eussell). Spottiswoode, W. [1882] 



E. S. P. 34 (1883) 37-. 



9 points of intersection of 2 curves. Schottky, 



F. Crelle J. Mth. 119 (1898) 72-. 



points, ruler construction for, given point P on 

 curve and points of contact of 4 tangents 

 from P. Thomson, F. D. [1868] Mess. Mth. 

 5 (1871) 27-. 



polar conies, theorems. Smith, T. St L. QJ. 

 Mth. 2 (1858) 208- . 



figures. London, F. Mth. A. 36 (1890) 535-. 

 . Scorza, G. Mth. A. 51 (1899) 154-. 



reciprocal of curve with respect to cubic. 

 Russell, W. H. L. E. S. P. 44 (1888) 388-. 



of syzygy /-/)A-0. Gerbaldi,F. 



Palermo Cir. Mt. Ed. 7 (1893) 19-. 



system of a curve. Bonsdorff, E. \E. J.} 

 [1877] St Pet. Ac. Sc. Bll. 24 (1878) 409-. 



polygon of 2n sides inscribed to. Torelli, G. 



G. Mt. 26 (1888) 327-. 



polygons in- and circum-scribed to same curve. 



Weyr, E. Mh. Mth. Ps. 4 (1893) 120, 154. 

 , Steiner's, on. Czuber, E. Crelle J. Mth. 



114 (1895) 312-. 

 and poristic polygons. Steiner, J. Berl. B. 



(1845) 386-. 



Higher Plane Curves. Cubics 



7610 



problem on two. (Construction of conic through 



the 5 unknown points, 4 being given.) 



Poudra, . N. A. Mth. 15 (1856) 24-. 

 projective generation, rational curves, etc. 



Kotter, E. Mth. A. 38 (1891) 287-. 

 rational. Weyr, Em. G. Mt. 9 (1871) 145-. 

 . Zahradnik, K. Arch. Mth. Ps. 56 (1874) 



131- ; 58 (1876) 23-; 61 (1877) 1-. 

 . Astor, A. N. A. Mth. 11 (1892) 276-; 13 



(1894) 184-. 

 . Cazamian, A. N. A. Mth. 14 (1895) 



297-. 

 , application of polar reciprocals. Cazamian, 



A. N. A.Mth. 13 (1894) 300-. 

 , construction. Schoute, P. H. As. Fr. C. 



E. (1885) (Pt. 2) 169-. 

 , . Willig, H. Arch. Mth. Ps. 10 (1891) 



, of Hessian curve. Dingeldey, F. Mth. 



A. 28 (1887) 81-. 

 , projectivities and involutions on. Weyr, 



E. J. Wien Ak. Sb. 81 (1880) (Ab. 2) 

 169-. 



referred to tetrad of corresponding points. 



Jeffery, H. M. QJ. Mth. 15 (1878) 198-. 

 relations on general curve. Weyr, E. J. 



Wien Ak. Sb. 87 (1883) (Ab. 2) 837-. 

 representation on circle. Durege, H. Z. Mth. 



Ps. 17 (1872) 433-. 

 by elliptic functions. Picquet, . Par. 



EC. Pol. J. 54 (1884) 31-. 

 ruler constructions in connexion with. Russell, 



R. [1893] Ir. Ac. T. 30 (1892-96) 



295. 

 satellite of line. Roberts, W. R. W. [1880] 



Ir. Ac. P. 3 (1883) 293-. 

 . Walker, J. J. [1890] L. Mth. 



S. P. 21 (1891) 247-. 

 series of pentagons. Serret, P. C. E. 115 



(1892) 406-, 436-. 

 (Serret). Rouquet, V. Toul. Ac. Sc. 



Mm. 5 (1893) 113-. 

 singularities. Gundelfinger, S. Mth. A. 4 



(1871) 561-. 



and surfaces of 2nd degree, geometrical con- 

 structions for. Engel, J. H. Ziir. Vjschr. 



34 (1889) 299-. 

 synthetic treatment. Milinowski, . Z. Mth. 



Ps. 21 (1876) 427-; 23 (1878) 343-. 

 system of linear equations in connexion with 



a curve. Rosanes, J. Mth. A. 36 (1890) 



316-. 

 tangential of point on. Cayley, A. Phil. 



Trans. (1858) 461-. 

 6 tangents, conic through points of contact. 



Pliicker, J. Crelle J. 34 (1847) 329-. 

 tangents, forming pencil in involution. Roberts, 



R. A. [1881] L. Mth. S. P. 13 (1881-82) 



25-. 

 6 tangents from point, problem. Russell, 



W. H. L. [1881] E. S. P. 33 (1882) 211-. 

 tangents, projective proof of anharmonic pro- 

 perty. Dixon, A. C. Mess. Mth. 26 (1897) 



53-. 

 , real and imaginary. Sturm, R. Crelle J. 



Mth. 90 (1881) 85-. 

 'tertians,' diametral or centric. Newman, 



F. W. B. A. Ep. 39 (1869) (Sect.) 10-. 



521 



