1 1 



PROCEEDINGS OF Till: AMERICAN ACADEMY. 



i xi'.i.i: ix. 

 STRONG I. IMS. 

 A\r> those Common i" Si \ i ral ( Iryst \i>. 



(s., sharp; <1.. diffuse; in.. in:i\iinuin in band; bnd., band; intensities on 



inn Bale "I 1 1(, 10.) 



TAB] l X. 

 I'm Most Common Lines oi ran 7 «"k^-i\i-. 



