338 



ANNUAL OF SCIENTIFIC DISCOVERY. 



Name. 



Wiiinecko 

 Urorsen 

 likUx . 

 1)" Arrest 

 l-'iivo 

 TuUlo . 

 Peters . 

 llalloy . 

 Pons 

 Olbora . 

 Tuttle . 

 Peters . 

 Tebbutt 

 IJreiiiiker 

 DoDuti . 



Moon 



1 To 



2 Europa . 



3 Uanj'iuede 



4 Ciilbtu . 



Mimas . 



Enceladus 



Tethys . 



Diouo 



Rhea 



Titan 



Ilvpcrion 



8 Japutus 



1 Ariel 



2 Umbriel 



3 Titania , 



4 Oberon , 



Not named 



1 Bright Ring 

 *2 Dusky " 



By whom and when discovered. 

 Winnccko, Uonn, March 8, 1858. 

 Brdrseii, Kiel, Feb. 2(1, 1816. . 

 Biela, Joseph.stadt, Feb. 26, 1S2G. 

 D'Arrest, Leipsic, June 27, 18J1. 

 Faye, Paris, Nov. 22, 1843. 

 Tuttle, Cambridge, Mass., Jan. 4, 185 

 Peters, Constantinople, Juno 26, 1846 



8. 



Pons, Marseille?, July 20, IS 12. . 

 Olbers, Bremen, iMureli 20, 1815. 

 Tuttle, Cambridge, July 18, 1802. 

 Peters, Albany, N. Y.,"july 25, 1857 

 Tebbutt, Australia, May 13, ISOl. 

 Brcmiker, Berlin, Oct. 22, 1840. . 

 Duuati, Florence, June 2, 1858. 



Period of revolution. 



5 yrs C m 



5 3'r3 6 m 



6 yrs 6 m 

 5 yrs 3 m 



7 yrs 4 m 

 13 ys 7 m 

 12 ys U m 

 70 ys 3 m 

 70 ys 8 m 

 73 y 11 m 



123 y Um 

 258 yrs 

 415 yrs 

 344 yrs 

 1875 yra 



SATELLITES. 



Earth, 

 Tho ancionta. 



Jupiter. 

 Galileo, Padua, Jan. 7, ICIO. 



" 13, 





Saturn. 

 W. Herschel, Slough, Sept. 17, 1789. 

 " " Aug. 28, 1789. 



Cassini, Paris, March, 1684. 



(( H H it 



" " " Dec. 23, 1G72. 

 Huygons, Hague, March 25, 1655. 

 G. P. Bond, Cambridge, Sept. 16, 1848. 

 Cassini, Paris, Oct. 25, 1071. 



Uranus. 



Lassell, Liverpool, Sept. 14, 1847. 



W. Uerschel, Slough, Jan. 18, 1790. 



" " " " 1787. 



(I <( (< (< (( 



Neptune. 

 Lassell, Liverpool, Oct. 10, 1846. 



Rings of Saturn. 



Galileo, Pisa, Nov. 12, 1010. 



G. P. Bond, Cambridge, Nov. 11, 1850. 



In addition, hare .since been discovered : — Semele, hy F. Tietjen, 

 Berlin, Jan. 4, 1866. Sylvia, by Mr. Pogson, May 16, 1866. ^ 

 Thisbe, by C. H. F. Peters, June Id, 1866, at Hamilton College. 

 Antiope, bj' Luther, at Bilk, the 90th of the series ; and the 91st, 

 unnamed, since discovered at the Observatory at Marseilles. 



* C. W. Tuttle, assistant at the Cambridge Observatory, first suggested, in 1850, 

 an interior dusky ring as a true expluuatiou of the phenomenon discovered by 

 Bond. 



