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 6toiles filantes. Astronomic, 1886, 331- 

 337. 



Occupation of Aldebaran, 1886 January 16. Astr. 



Soc. Month. Not., 46, 1886, 124. 

 Micrometric oV>servations of Nova Andromedae, made 



at the Observatory, Dunsink. 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. [1886.] Irish Ac. Proc., 4, 

 1884-88, 557-567. 



Observations on Nova Andromedse, made at Dunsink. 



[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. J 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 on 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), 434-437. 



The astronomical explanation of a glacial period. 



Aust. 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 



cbiastic homography, 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 GAME'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 uncanonical 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. 

 Occupations 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 Stawell, & Rambaut, Arthur A[lcock~\. 



On 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 see Geol. Mag., 



2, 1895, 382-383; Irish Natli'st., 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 Narcondam 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 



