Ball] 



265 



[Ball 



Comets. [Lecture at the Montreal meeting of the 



British Association.] Nature, 30, 1884, 454-457. 



Note on a geometrical method of investigating the 

 dynamical properties of the cylindroid. [1885.] Irish 

 Ac. Proc., 4, 1884-88, 518-522. 



Note on the character of the linear transformation 

 which corresponds to the displacement of a rigid system 

 in elliptic space. [1885.] Irish Ac. Proc., 4, 1884-88, 

 532-537. 



- Elliptic space. [1885.] Nature, 33, 1886, 86-87. 

 L'origine des etoiles tilantes. Astronomic, 1886, 331- 



337. 



Occultation of Aldebaran, 1886 January 16. Astr. 



Soc. Month. Not., 40, 1886, 124. 



Micrometric observations of Nova Andromeda?, made 

 at the Observatory, Dnnsiuk. Astr. Soc. Month. Not., 

 46, 1886, 391. 



Dynamics and modern geometry. A new chapter in 

 the theory of screws. [1886.] Irish Ac. Cunningham 

 Mem., 4, 1887, 44 pp. 



Notes on LAPLACE'S analytical theory of the perturba- 

 tions of Jupiter's satellites. [18813.] Irish Ac. Proc., 4, 

 1884-88, 557-567. 



Observations ou Nova Andromedse, made at Duusink. 

 [1886.] Irish Ac. Proc., 4, 1884-88, 641. 



Notes on the astronomical theory of the great ice age. 

 [1886.] Irish Ac. Proc., 4, 1884-88, 642-644. 



[Presidential address to the Math, and Phys. Sci. 

 Sect., Manchester, Sept. 1st. A dynamical parable.] 

 Brit. Ass. Rep., 1887, 569-579. 



On the plane sections of the cylindroid. Being the 

 seventh memoir on the theory of screws. [1887.] Irish 

 Ac. Trans., 29, 1887-92, 1-32. 



On the theory of the content. [1887.] Irish Ac. 

 Trans., 29, 1887-92, 123-182. 



Occultation of Regulus by the moon, observed at 



Dunsink Observatory. [1887.] Astr. Soc. Month. Not., 

 48, 1888, 66. 



On the harmonic tidal constituents of the port of 

 Dublin. [1888.] Irish Ac. Proc., 1, 1889-91, 190-201. 



The eighth memoir on the theory of screws, showing 



how plane geometry illustrates general problems in the 

 dynamics of a rigid body with three degrees of freedom. 

 [1888.] Irish Ac. Trans., 29, 1887-92, 247-284. 



A note ou a determinant in the theory of screws. 



[1890.] Irish Ac. Proc., 1, 1889-91, 375-378. 



The theory of permanent screws ; being the ninth 



memoir on the theory of screws. [1890.] Irish Ac. 

 Trans., 29, 1887-92, 613-652. 



The cause of an ice age. Brit. Ass. Rep., 1891, 645- 

 647. 



- Invisible stars. [1891.] Leicester Soc. Trans., 2 

 (1889-92), 434-^37. 



- The astronomical explanation of a glacial period. 

 AuBt. Ass. Rep., 1892, 250-256. 



Mars. Astr. Soc. Pacific Publ., 5, 1893, 23-36. 



The discussion on quaternions. Nature, 48 (1893), 



391. 



Astronomical photography. Nature, 48 (1893), 541. 



The absence of air from the moon. Science, 21, 1893, 



99. 



The wanderings of the North Pole. Smithsonian 

 Rep., 1893, 75-87; 



Atoms and sunbeams. Smithsonian Rep., 1893, 121- 



133. 



Note on a general theorem in dynamics. Brit. Ass. 

 Rep., 1894, 561. 



The theory of pitch invariants and the theory of 



chiastic bomography, being the tenth memoir on the 

 "theory of screws." [1894.] Irish Ac. Trans., 30, 

 1892-96, 559-586. 



Note on geometrical mechanics. [1894.] Cambridge 

 Phil. Soc. Proc., 8, 1895, 240-241. 



R. 8. A. C. 



Observations of GALE'S Comet, made at the Cambridge 

 Observatory, with Northumberland equatorial and square 

 bar micrometer. Astr. Soc. Month. Not., 54, 1895, 555, 

 584. 



On a form of the differential equations of dynamics. 

 Aust. Ass. Rep., 1895, 215-217. 



Further development of the relations between im- 

 pulsive screws and instantaneous screws, being the 

 eleventh memoir on the "theory of screws." [1896.] 

 Irish Ac. Trans., 31, 1896-1901, 99-144. 



Note on Mr. A. Y. G. CAMPBELL'S paper " On the 

 variation of uncauoiiical arbitrary constants, with an 

 application to the planetary theory." Astr. Soc. Month. 

 Not., 57, 1897, 131-133. 



The twelfth and concluding memoir on the " theory 

 of screws," with a summary of the twelve memoirs. 

 [1897.] Irish Ac. Trans., 31, 1896-1901, 145-196. 



Note on a point in theoretical dynamics. [1896.] 

 Cambridge Phil. Soc. Proc., 9, 1898, 193-195. 



Occultatious of Ceres and Venus, observed at the 

 Cambridge Observatory. Astr. Soc. Month. Not., 58, 

 1898, 462. 



Amendment to " The twelfth and concluding memoir 

 on the theory of screws." [1898.] Irish Ac. Proc., 4, 

 1896-98, 667-668. 



Preliminary description of the new photographic 

 equatorial of the Cambridge Observatory. Astr. Soc. 

 Month. Not., 59, 1899, 152-155. 



Theory and practice. Educ. Times, 52, 1899, 317- 

 318. 



Ball, (Sir) Robert Stawcll, & Rambaut, Arthur A[lcock]. 

 Ou the relative positions of 223 stars in the Cluster x 

 Persei as determined photographically. [1892.] Irish 

 Ac. Trans., 30, 1892-96, 231-276. 



On the relative positions of 223 stars in the cluster 

 X Persei as determined photographically. [1893.] Irish 

 Ac. Proc., 2, 1891-93, 648. 



Ball, Valentine. For biography and works sec Geol. Mag., 

 2, 1895, 382-383; Irish Natlist., 4, 1895, 169-171; Roy. 

 Soc. Proc., 58, 1895, xlvii-xlix ; Geol. Soc. Quart. Jl., 

 52, 1896, Ixii-lxiii ; Scott. Geogr. Mag., 12, 1896, 31-32. 



To reference in No. 53 (Vol. 9) add Dublin Soc. Sci. 

 Proc., 4, 1885, 1-8. 



To reference in No. 54 (Vol. 9) add Dublin Soc. Sci. 

 Proc., 4, 1885, 33-38. 



To reference in No. 55 (Vol. 9) add Dublin Soc. Sci. 

 Proc., 4, 1885, 69-116. 



On the mode of occurrence of precious stones and 

 metals in India. Brit. Ass. Rep., 1884, 731-732. 



On the newly discovered sapphire mines in the 

 Himalayas. [1885.] Dublin Soc. Sci. Proc., 4, 1885, 

 393-395; Ireland Geol. Soc. Jl., 7, [1887,] 49-51. 



On the collection of the fossil Mammalia of Ireland 

 in the Science and Art Museum, Dublin. [1885.] 

 Dublin Soc. Sci. Trans., 3, 1883-87, 333-348. 



- *0n the existing records as to the discovery of a 

 diamond in Ireland in the year 1816. [1883.] Dublin 

 Soc. Sci. Proc., 5, 1886-87, 332-334; Ireland Geol. Soc. 

 Jl., 7, [1887,] 163-165. 



Zinc and zinc ores, their mode of occurrence, metal- 

 lurgy, and history, in India ; with a glossary of oriental 

 and other titles used for zinc, its ores, and alloys. 

 [1886.] Dublin Soc. Sci. Proc., 5, 1886-87, 321-331 ; 

 Ireland Geol. Soc. Jl., 7, [1887,] 152-162. 



Observations on lion-breeding in the gardens of the 

 Royal Zoological Society of Ireland. [1886.] Irish Ac. 

 Trans., 28, 1880-86, 723-758. 



The volcanoes of Barren Island and Narcondarn in 

 the Bay of Bengal. Geol. Mag., 5, 1888, 404-408 ; 10, 

 1893, 289-291, 384. 



On some eroded agate pebbles from the Soudan. 

 Geol. Soc. Quart. Jl., 44, 1888, 368-369. 



On the probable mode of transport of the fragments 



34 



