IX.] 



MOTION FORMS. 



123 



light of the same width as the F line, we got one many 

 times broader. We had also the absorption deflected to the 

 left, or red end of the spectrum, and on that side it was 



i 



FIG. 58. Motion forms and lozenges. 



1. Prominence much bent. 



2. Prominence encroaching over limb bright line crossing black line. 



3. Black line (F) curved downwards, sometimes nearly touching iron line 



below. 

 4. 



5. Prominence nearly divided. 



6, 7, 8. My own drawings. 



gradually fined or eased off, so that it was very difficult to 

 determine exactly where this broadened, deflected F line actu- 

 ally ceased to give us absorption ; whereas at the other side 



