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VOLUME Vili. 
PAGE 
486. Note on Dr Glaisher’s paper on a theorem in definite integ 
ration ........... 1 
Quart. Math. Journ. t. x. (1870), pp. 355, 356 
487. On the quartic surfaces (•*]£ U, V, IF) 2 = 0 .... 2 
Quart. Math. Journ. t. xi. (1871), pp. 15—25 
488. Note on a relation between two circles . . . . . 12 
Quart. Math. Journ. t. xi. (1871), pp. 82, 83 
489. On the porism of the in-and-circumscribed polygon, and the 
(2, 2) correspondence of points on a conic . . . . 14 
Quart. Math. Journ. t. xi. (1871), pp. 83—91 
490. On a problem of elimination . . . . . . . 22 
Quart. Math. Journ. t. xi. (1871), pp. 99—101 
491. On the quartic surfaces (*$ U, V, IF) 2 = 0 . . . . 25 
Quart. Math. Journ. t. xi. (1871), pp. Ill—113 
492. Note on a system of algebraical equations . . . . 29 
Quart. Math. Journ. t. xi. (1871), pp. 132, 133 
493. On evolutes and parallel curves. . . . . . . 31 
Quart. Math. Journ. t. XI. (1871), pp. 183—200 
494. Example of a special discriminant . . . . . . 46 
Quart. Math. Journ. t. xi. (1871), pp. 211—213 
495. On the envelope of a certain quadric surface . . . . 48 
Quai't. Math. Journ. t. xi. (1871), pp. 244—246 
496. Tables of the binary cubic forms for the negative deter 
minants = 0 (mod. 4) from —4 to — 400; and = 1 (mod. 4) from 
— 3 to —99; and for five irregular negative determinants . 51 
Quart. Math. Journ. t. xi. (1871), pp. 246—261 
Note on the calculus of logic 
Quart. Math. Journ. t. xi. (1871), pp. 282, 283 
497. 
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