Gill] 



307 



[Gill 



la methode de M. LCEWT. Paris, Ac. Sci. C. E., 102, 



1886, 732-735. 



Recent researches on the distances of the fixed stars, 

 and some future problems in sidereal astronomy. [1884.] 

 Boy. Inst. Proc., 11, 1887, 91-106. 



Observations of comets made at the Eoyal Observatory, 



Cape of Good Hope, in the year 1886. Astr. Nachr., 116, 



1887, 305-316; Astr. Soc. Month. Not., 47, 1887, 277- 

 293. 



Observations of comets made at the Eoyal Observatory, 



Cape of Good Hope. Astr. Nachr., 117, 1887, 339-340. 



Eesults of meridian observations of stars made at the 

 Eoyal Observatory, Cape of Good Hope, from 1885 August 

 to [1895]. Cape Obs. Obsns., 1885-87, xviii + 412 pp. ; 

 1888-89, xviii + 267 pp.; 1890-91, xvii + 311pp.; 1892-95, 

 xvii + 235 pp. 



Schreiben betr. Beobachtungen des Cometen 1888 I 

 nebst Mittheilungen iiber den Portgang der Durchmuste- 

 rung des siidlichen Himmels und das neue Heliometer. 

 Astr. Nachr., 119, 1888, 257-262. 



On the occupations of DOLLEN'S list of stars, observed 



at the Eoyal Observatory, Cape of Good Hope, during 

 the total eclipse of the moon 1888, January 28. Astr. 

 Soc. Month. Not., 48, 1888, 297-299. 



The applications of photography in astronomy. [1887.] 

 Eoy. Inst. Proc., 12, 1889, 158-172; Bull. Astr., 4, 1887, 

 361-380. 



Observations of Comet 1888...(Encke) made at the 

 Eoyal Observatory, Cape of Good Hope. Astr. Nachr., 

 120, 1889, 43-44. 



Elemente des Cometen 1889... (Davidson). Astr. 

 Nachr., 122, 1889, 191-192. 



On the determination of errors of graduation without 



cumulative error, and the application of the method to 

 the scales of the Cape heliometer. Astr. Soc. Month. 

 Not., 49, 1889, 105-118. 



Observations of Comet 1889 IV made at the Eoyal 

 Observatory, Cape of Good Hope. Astr. Nachr., 124, 

 1890, 27-30; 126, 1891, 55-58. 



- Note on the parallax of (3 Orionis. Observatory, 

 London, 13, 1890, 289-291. 



Note on some experiments with the new Cape astro- 

 photographic telescope. Observatory, London, 13, 1890, 

 351-353. 



Observations of Comet 1891 I (Barnard-Denning) 

 made at the Eoyal Observatory, Cape of Good Hope. 

 Astr. Nachr., 128, 1891, 175-176. 



- Entdeckung eines Cometen... 1892 (Swift Marz 6). 

 Astr. Nachr., 129, 1892, 119-120. 



Observations of Comet 1892 I made at the Eoyal 

 Observatory, Cape of Good Hope. Astr. Nachr., 130, 

 1892, 55-58. 



On the definitive places of the stars used for com- 

 parison with the planet Victoria in the observations for 

 parallax 1889. Astr. Nachr., 130, 1892, 161-178. 



Observations of occultations of faint stars during the 

 total eclipse of the moon on 1891 November 15, made at 

 the Eoyal Observatory, Cape of Good Hope. Astr. Soc. 

 Month. Not., 52, 1892, 164-168. 



Observations of Comet 1892 a (Swift), made at the 

 Eoyal Observatory, Cape of Good Hope. Astr. Soc. 

 Month. Not., 52, 1892, 568-569. 



Methode de montage des plaques sensibles, de'termina- 

 tion de leur orientation. [Tr.] Paris, Com. Int. Carte 

 Ciel Bull., 1, 1892, 7-50, viii. 



Note relative au me"moire de M. le prof. J. C. KAPTEYN : 

 [Expose' de la methode parallactique de mesure. Ee"duc- 

 tion des cliches.] Paris, Com. Int. Carte Ciel Bull 1 

 1892, 115-124. 



Notes relatives a diffe'rents me"moires contenus dans 



le premier fascicule du Bulletin du Comit^. Paris, Com. 

 Int. Carte Ciel Bull., 1, 1892, 128-132, viii. 



Expose' d'un projet de M. J. C. KAPTEYN relatif a la 



determination des mouvements propres et des parallaxes 

 d'^toiles. Paris, Com. Int. Carte Ciel Bull., 1, 1892, 

 262-264. 



An astronomer's work in a modern observatory. 



[1891.] Eoy. Inst. Proc., 13, 1893, 402-416. 



On the reduction of distances from heliometer observa- 

 tions. Astr. Nachr., 131, 1893, 185-192. 



Observations of Comet 1892 VI made at the Eoyal 



Observatory, Cape of Good Hope. Astr. Nachr., 133, 

 1893, 193-196; Astr. Soc. Month. Not., 53, 1893, 488-489. 



Observations of Comet Finlay 1893... made at the 

 Eoyal Observatory, Cape of Good Hope. Astr. Nachr., 

 133, 1893, 329-332. 



Opposition of Mars, 1892. Observations made at the 



Eoyal Observatory, Cape of Good Hope. Astr. Soc. 

 Month. Not., 53, 1893, 112-115. 



Observations of Comet 1893 II made at the Eoyal 



Observatory, Cape of Good Hope. Astr. Nachr., 134, 



1894, 361-364. 



New variable star in Vela. [Two notes.] Astr. Nachr., 



135, 1894, 43-44. 



Beobachtungen des Cometen 1894... (Gale, April 3). 



Astr. Nachr., 135, 1894, 149-150. 



Mean places for comet-stars observed with the transit- 

 circle at the Eoyal Observatory, Cap! of Good Hope, in 

 1893. Astr. Nachr., 135, 1894, 381-382. 



Observations of Comet Tempel (1873 II) 1894... made 

 at the Eoyal Observatory, Cape of Good Hope. Astr. 

 Nachr., 135, 1894, 383-384; 136, 1894, 125-126. 



Observations of Comet 1894 II (Gale) made at the 

 Boyal Observatory, Cape of Good Hope. Astr. Nachr., 



136, 1894, 123-126; Astr. Soc. Month. Not., 54, 1894, 

 585-586. 



Eemarks on the best methods of determining the 

 positions of the planets by observation. Astr. Soc. 

 Month. Not., 54, 1894, 344-357. 



On the investigation of the division errors of the 



scales of the Cape Eepsold measuring apparatus, and 

 the determination of the errors of the Oxford Keseau. 

 [1892.] Astr. Soc. Mem., 51, 1895, 1-27. 



Preliminary note on observations of the minor planet 

 Victoria in 1889. [1893.] Edinb. Eoy. Soc. Proc., 20, 



1895, 47-49; Bull. Astr., 10, 1893, 248-250. 



Note on the latitude of the Eoyal Observatory, Cape 



of Good Hope. [1894.] Astr. Soc. Month. Not., 55, 

 1895, 34-36. 



Meridian observations of comet comparison-stars made 



at the Eoyal Observatory, Cape of Good Hope, in 1893 

 and 1894. Astr. Nachr., 138, 1895, 331-334. 



Sur 1'orientation de 1'axe optique et du plan de la 



couche sensible. Paris, Com. Int. Carte Ciel Bull., 2, 



1895, 102-106. 



A determination of the solar parallax and mass of the 

 moon, from heliometer observations of the minor planets 

 Iris, Victoria and Sappho made in the years 1888 & 

 1889 at the Eoyal Observatory, Cape of Good Hope, in 

 co-operation with the Observatories of Yale College 

 (Newhaven), Leipzig, Gottingen, Bamberg and Oxford 

 (Eadcliffe), and from meridian observations made at all 

 the principal observatories. Description of the helio- 

 meters and details of the heliometer observations. [Dis- 

 cussion of the triangulation of the Victoria comparison 

 stars, and the heliometer observations of Victoria and 

 Sappho. Combination of results and general conclu- 

 sions.] Cape Obs. Ann., 7, 1898, 1-72, 1 (6ts)-403; 6, 

 1897, xliii pp., (Pts. 1 & 2), 539 pp., (Pt. 3), 83 pp. 

 (Pt. 6), 32 pp. 



- Sur cinq photographies de la region entourant t\ 



d'Argus. Paris, Ac. Sci. C. E., 123, 1896, 29. 



Annual address to the members of the South African 



Philosophical Society, on September 27th, 1893. [On 



the solar parallax.] S. African Phil. Soc. Trans., 8, 



1896, xlix-lx. 



392 



