ilTHSONIAN M1SCELLANC0US ( 



82, NO. t, ft. 5 



^:^/^/^"•^'"r^^ 



BOLOCRAPHS OF THE InFRA-ReD PbISMATIC Soi.AR SpF.CTBlM. 



The (1 region. Wave-lengths 15200 to 18200 Angstroms. 



