148 Royal Society. 
ferred on him by King William IV., and it was intimated that he 
might also receive the British Knighthood, but this he declined, as 
the title would have been inconsistent with his circumstances. He 
had, however, as has already been stated, a pension of £300 per 
annum subsequently conferred on him by His Majesty. In 1839, 
the University of St. Andrews conferred on him the Degree of Doc- 
tor of Laws. 
Although his health had been early impaired by his close appli- 
cation to scientific investigation, he never allowed himself to be un- 
occupied, but was constantly engaged in his researches to the period 
of his last illness. In the end of last year his health became seri- 
ously impaired, and after an illness of several months, but retaining 
his faculties to the last, he died on the 21st of September of the 
present year, aged 77. He was never married*. 
AyLMER Bourke LAMBERT, Esq., was born at Bath on the 2nd 
of February, 1761. He was the son of Edmund Lambert, Esq., of 
* The contributions of Mr. Ivory to the Philosophical Transactions are 
the following :— 
1. On the Attractions of Homogeneous Ellipsoids. (Phil. Trans. 1809, 
. 345.) 
2 2. On the Grounds of the Method which Laplace has given in the se- 
cond chapter of the third book of his Mécanique Céleste for computing the 
Attractions of Spheroids of every description. (Ibid. 1812, p. 1.) 
3. On the Attractions of an extensive class of Spheroids. (Ibid. 1812, 
p- 46.) 
4. A New Method of deducing a first Approximation to the Orbit of a 
Comet from three Geocentric Observations. (Ibid. 1814, p. 121.) 
5. On the Expansion in a series of the Attraction of a Spheroid. (Ibid. 
1822, p. 99.) 
6. On the Astronomical Refractions. (Ibid. 1823, p. 409.) 
7. Ou the figure requisite to maintain the Equilibrium of 2 Homoge- 
neous Fluid Mass that revolves upon an Axis. (Ibid. 1824, p. 85.) 
8. On the Equilibrium of Fluids, and the Figure of a Homogeneous 
Planet in a Fluid State. (Ibid. 1831, p. 109.) 
9. On the Theory of the Elliptic Transcendents. (Ibid. 1831, p. 349.) 
10. On the Theory of the Perturbations of the Planets. (Ibid. 1832, 
. 195.) 
4 11. On the Development of the Disturbing Function, upon which de- 
pend the inequalities of the Motions of the Planets, caused by their mutual 
Attraction. (Ibid. 1833, p. 559.) 
12. On the Equilibrium of a Mass of Homogeneous Fluid at liberty. 
(Ibid. 1834, p. 491.) 
13. Of such Ellipsoids consisting of homogeneous matter as are capable 
of having the resultant of the attraction of the mass upon a particle in the 
surface, and a centrifugal force caused by revolving about one of the axes, 
made perpendicular to the surface. (Ibid. 1838, p. 57.) 
14. On the Theory of the Astronomical Refractions. (Ibid. 1838, p. 169.) 
15. On the Condition of Equilibrium of an Incompressible Fluid, the 
particles of which are acted upon by Accelerating Forces. (Ibid. 1839, 
» 243.) 
16. Note of Mr. Ivory, relating to the correcting of an error in a paper 
printed in the ‘ Philosophical Transactions’ for 1838, pp. 57, &c. (Ibid. 
1839, p. 265.) 
