









86 ROYAL SOCIETY OF CANADA 
PROBABLE ERRORS OF SINGLE OBSERVATIONS. 
Probable 
Spectral Error Obser- 
Star. type. Average | Dispersion. vatory. Remarks. 
Plate. 
7 Camelop ....[A2F + 2.4 |One Prism. ..|Ottawa....|Lines good. 
a Draconis. . ..|VII a. .... 3.4 4 di SAINOIES ‘i 
6 Aquile. .. ..[VIIa 4.0 À % .|Changing 
elements. 
B.D.—1°1004/B 3 A. . .. 5.2 ve fe .[Broad Lines. 
&æ”Coronæ: INVITE ab. 5.4 is 7 .|Lines broad 
and asymm'l. 
@ Persei...... 1 POMPES 6.1 es à .|Abnormal se-‘ - 
condary effect. 
27) Heroulisy «5.2 Vllias 2:3; 6.4 % is .|Abnormal se- 
condary effect. 
cy (@rionis: 2 ley ll | 6.8 sf 41 .|Lines diffuse and 
asymmetric. 
Ÿ Orionis. ..... B, Ib 6.8 43 i .|Lines very 
broad. 
STATS eye B, Ib 10.8 4 HS .|Lines very 
broad. 
B Onions te Vi ee f2°0  \Three Prism. | “ .|Lines good. 
\3.2 (One Prism..| “ .. [Lines good. 
7  Virginis. ....[VIIT a.. 2.4 |Three Prism. fe .[Lines fair. 
1. Boots... XIV a : 0.50 is .[Numerous well 
defined. 
RONOEIONS +. TIEN De os 1.7 |One Prism. .. Allegheny [Lines very good. 
(OÙ MS D à: PAPE D. à EE be ee 20 se : de .|Lines well de- 
fined. 
® Androm . VIII P 2.5 ‘ be .|Lines good. 
B Aurige. ...../VIIIa 332 ee “ .|Lines sharp and 
narrow. 
9 Aquilæ VILA 3.4 a * .[Lines fair. 
OATH. eue NA A ST 27 ch i . [I] defined lines. 
a Coronæ. ....|VIII ab... 4.9 Ve à . Broad lines. 
2 Tartes. AT Es. 5.3 CA f .|Fair lines. 
4 Herculis . Me À aero 8.0 u .|Broad lines. 
SVT 2 LIL Wass outs 9.9 bE a .|Very broad and 
diffuse. 
7 Pegasi. . XIV a 0.47 |Three Prism. |Lick. ..... Good Lines. 
®& Aurigæ. ..... XIV a 0.50 ve ae PEER Fe 
À Androm... ..[XV a. .... 0.50 Af FN ah a 
perdues»: Via. 0.52 si SO RNA UP à 
t Pegaët, ...\..'. XII a 0.56 re PE ACER à re 
&»Gem’m...../VIIla 0.64 af aN Eee of 
®%,Gem’m...../VIII a 0.79 7 LA RAR Vire 
® Draconis.....F 5G 0.75 Md A NT iio’, Diffuse Lines. 
6 Draconis. . .. XII a 0.87 de Veet i eke LL 
R.T.Aurige. .| G....... 0.82 . Hoy dus ie 
7 Aquilæ.....XIVac 0.85 A er ie 
W Sagittarii.. ..|F 5 G..... 0:90) (One. Prgms)". ausse Fair Lines. 
CALME PEAR F8G 1.80 af ALTER ie 
na FAR M nta Gros 2.10 rf lass hoes 



