326 _ PROFESSOR PIAZZ1 SMYTH ON 
te Are Concluded — 
Colour of the Intensity | ance by | wicrometer \" > |Chemical-origin-|| Conclu E 
Gasuubane Object observed, generally a black, fixed of lack; or hore eeanets ie ALOU Papa Nae e g 
Spectrum at Fraunhofer Line. thickness ee S aaa ng Nor- Angstrom, PLACE, per 3 a 
the Place. of line. symbol. Rey. Saliba Thalen, &c. Britishinen.|0s 2 
Spectrum. GA 
| 10103 58 713 
Grand line, followed by 
lines in haze— i 
1st grand line, 2 eS ‘) 101385 | 58 727 Iron. (|| 58 726 
haze intervenes. — 
Qnd next grand line,.| 4 | || =||10170 58 738 
haze intervenes. 
3rd line, : é : : 1 58 752 
haze intervenes. 
4th line, ; : : : 2 | : 58 757 
haze intervenes. | 8 
5th line, : 3 | 10°244 Titanium. 58 765 
Fine line, ‘ : : : il | 10°304 58 786 
Strong line, . : : : é 3 | 10°337 Titanium. 58 796 
Less strong line, 2 | 10°424 Calcium. 58 827 
Fine line, 1 | 10495 58 851 
Sharp double line: 1st component, . 2 | 1 ; 10°568 Iron and 58 877 | 44 
2nd do. é 2 | 10°602 Titanium. 58 888 
Fine double line : 1st component 1 | 10°648 Pate 58 902 
Bnd fdas ned il 10-665 | een 58 909 || * 
Fine double line: 1st component, . 1 | ! 10°700 58 922 4 
Qnd do. blued is 10°715 58 926 
Fine line, 15 | 10°735 58 933 
Do. 1°5 | 10°745 58 938 
Do. 15 | 10°755 58 941 
Do. 15 | 10°767 58 944 
< Strong line 5 : A 3 10°780 58 949 
VIOLET. Less strong line, 5 ; : 3 2 | | 10°790 58 952 
Fine line, . 5 1 | 10°808 58 959 
The Great G line— 
Ist side, 10823 58 964) , 
middle, . 10 10838 | 58 967 Iron. 58 968) ; 
last side, . 10°850 58 973 
Sharp line, 3 | 10°877 Calcium. 58 982 
Triple group: 1st component, . 2 ) 10°907 58 993 4 
2nd do. 15 le {il 10-915 Titanium. 58 997 3 
Srd do. oa. i 4 10-926 59 000 
Strong line, 8 | 10°954 59 009 
Do. 2 | 10°995 59 023 
Hazy quadruple group— 
1st component, 1 \ 11°024 59 032 6 
2nd do 3 | | 11°038 | 59 038 9 
3rd do 1 ,_ ( dhtiik| ) 11-043 59 040 3 
4th do 3 | 11-054 Calcium. 59 043 
2 | 11087 Calcium. 59 055 
1 || L1eT08 59 062 
A group of lines and haze bands, D | 11°1382 59 070 
terminated by a very strong line, 1 = 11°150 Titanium. 59 077 
5 | 11173 Calcium and || 59 O85 
Tron. 
Strong line, é 2 | 11:216 59 100 : 
Strong double line: 1st component, . | 3 | (| 11°245 Iron. 59 110 3 | 
2nd do. .| 8 Mle} 11-265 59 118 
Unequal double line: 1st component, 3 | 11°335 Titanium. 59 141 
2nd do. 5 | [ | 11°385 Tron. 59 159 
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