CONTENTS. 
IX 
? to a set 
PAGE 
45 
48 
invariants 52 
56 
64 
mol space 7 9 
84 
motion . 90 
94 
96 
iction 
103 
in biaxal 
10 7 
ained by 
110 
578. A memoir on the transformation of elliptic functions 
Phil. Trans., t. clxiv. (for 1874), pp. 397—456 
579. Address delivered by the President, Professor Cayley, on pre 
senting the Gold Medal of the [Royal Astronomical] Society 
to Professor Simon Newcomb ...... 
Monthly Notices R. Ast. Society, t. xxxiv. (1873—1874), pp. 224—233 
580. On the number of distinct terms in a symmetrical or partially 
symmetrical determinant; with an addition .... 
Monthly Notices R. Ast. Society, t. xxxiv. (1873—1874), pp. 303—307; 
p. 335 
581. On a theorem in elliptic motion. ...... 
Monthly Notices R. Ast. Society, t. xxxv. (1874—1875), pp. 337—339 
582. Note on the Theory of Precession and Nutation 
Monthly Notices R. Ast. Society, t. xxxv. (1874—1875), pp. 340—343 
583. On spheroidal trigonometry ....... 
Monthly Notices R. Ast. Society, t. xxxvn. (1876—1877), p. 92 
584. Addition to Prof R. S. Ball’s paper “Note on a transfor 
mation of Lagrange's equations of motion in generalised 
coordinates, which is convenient in Physical Astronomy ” 
Monthly Notices R. Ast. Society, t. xxxvn. (1876—1877), pp. 269—271 
585. A new theorem on the equilibrium of four forces acting on a 
solid body .......... 
Phil. Mag., t. xxxi. (1866), pp. 78, 79 ; Camb. Phil. Soc. Proc., t. I. 
(1866), p. 235 
586. On the mathematical theory of isomers . ... . 
Phil. Mag., t. xlvii. (1874), pp. 444—467 
587. A Smith’s Prize dissertation [1873] . 
Messenger of Mathematics, t. ill. (1874), pp. 1—4 
588. Problem [on tetrahedra] ........ 
Messenger of Mathematics, t. hi. (1874), pp. 50—52 
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176 
185 
191 
194 
197 
198 
201 
202 
205 
209 
c. IX. 
b