MM.Ttroscope of 2 prisms of 45° belonging to Prof. Youiiii, s;nv 

 ''liuht lilies, C, D, F; and aften^'ards F, and a line rathor ii 

 •'liuht than F on the less refrangible side of B, C m.t noti 

 til. 11." Now, if b (not B) was intended here we have sub-iiK 

 ili-ixnt dydrogen mixed with the green-line-giving-substai 

 \\liirli may probably be a new element with a vapor density 



ise of known elcmen 

 ^ment), 



i Sub-incandescent 



>i'egoing table excludes naturalh 

 A-hich give bright lines in the solar's 

 il)le in the spectrum of the chroin' 



"I'll' storms the chromospheric layers are thrown up in the oniir 

 ot ^"ipor density, and because all the heavier \a|K)rs arc at .>r U- 

 'ow the level of the photosphere itself 



U ith regard to the question of polarization, the ])arlic- in Su-ily 

 <»btuined evidence that the corona was radiallv pi'lariztd. thouLih 



Jifferentlv. Mr Kavnard' it Vill 

 forth of Catania, obtained'i.ientical 

 lanzution. Ht-m-e the solar corona, 

 not only radiates, but reflects solar 1 



:l'f^<-trum (Vcunir, Biirtoi;, and others) ; u'hich line, if it he idei 

 ;l^>ththe auroral line 'as stated by (lould, may possibly 



^9 w^° the higher regions of our own atmosphere. 



(^•) Outside this stratum the rays, &c., are for the most part d 



