December, iqoy _ - , . . ^^ O- w 



PROCEEDINGS 



OF THE 



ROYAL IRISH ACADEMY 



Volume XXVII, Section A, Nos. 4, 5, 6 



IVIATTHEW ^^TTATT JOSEPH EEY 



lY. — The Cextee of Geayity and the Peikcipal Axes of axy sueface of 



EQUAL PEESSUEE IN A HeTEEOGENEOUS LiQUID COYEEIKG A HETERO- 

 GENEOUS Solid composed of neaely Spheeical Shells of equal 



DENSITY, when THE AYHOLE MaSS IS EOTATING WITH A SMALL 

 AnGULAE A^ELOCITY in EeLATIYE EqUILIBEIUM UNDEE its OWN 



Atteagtion. 



HEiTEY GOEDON DAWSON 



Y. — On the Peopeeties of a System of Teenaey Quadeics which yield 

 Opeeatoes t\tiich an'Nihilate a Teenaey Cubic. 



JOSEPH EOGEESON COTTEE 

 A^I. — A New Method of Solying Legendee's and Bessel's Equations, and 



OTHEES OF A SIMILAE TYPE. 



DUBLIN 



HODGES, FIGGIS, & CO., Ltd. 



LONDON : WILLIAMS & NORGATE 

 1907 



Price 0?ie Shillins[ 



