200 Scientific Proceedings, Royal Dublin Society. 
INDIGO RAYS—continued. 
W ave- Element and Wave- Element and Wave- Element and 
Length. Intensity. Length. Intensity. Length. Intensity. 
4377-9 Mo 6 4339°8 Cr 8 4296°3 V 10 
4376-3 Kr 10 4339°6 Cr 8 4296:°2 La 8 
4373-2 Nd 6 4338°8 Nd 8 4295-0 NS) 8 
4376-1 ~ Yt 100 4338-1 Ti 10 4994-8 WwW 8 
4375-0 Rh 10 4338°0 Sree 4294-3 Ti 10 
4373°1 Gl § 4337°9 Ce 4 4294-1 Os 10 
4372-4 Ru § 4335°1 la 5 4292-0 Vio 
4371-8 Pre 5 4334°2 e110) 4291-5 Br 6 
4371°4 (ip 7 4333°9 la 15 4290-1 Ce 6 
4371-1 Zr 10 4333°6 A 8 4289-9 Cr 10 
4370-4 Au 8 4333-0 Viell2 4289-5 Ca 8 
4368-6 Pr 10 4330-2 . Nios: 4288-9 Rh 
4367°0 O 6 4328°8 Os 6 4288-0 Wire § 
4365°8 Bras 4328°1 Nd 6 4287-1 Ur 8 
4363-8 Mo 8 4326°1 Ur 3 4287°1 La 20 
4362°8 Kr 9 4325°9 Fe 10 4284°7 Ml 7 
4361-9 Sr 3 4325°9 INGyi 4284-2 Wo 1B 
4361-4 Ru 6 4319°8 O 3 4283°3 Ba 8 
4359-9 Zr 10 4319°7 Kr 10 4283°2 Ca 8 
4359°8 Ce 7 4318'S Ca 8 4283-0 S 8 
. 4858-9 W 8 4318°7 ikGe § 4282°7 Pe 7 
4358°6 Hg 10 4317°4 Zr 6 4282-7 Nd 7 
4358-3 Nd 8 4317°3 O 3 4282°7 Wr 3 
4356°1 Nd 6 4316°1 lie, it 4282-2 Ur § 
4355°9 Wire 4 431d°8 Se 15 4282°3 Zr 8 
43546 le, 7 [No. 11, |Gold.] 4280-3 Pr 7 
4353:°0 Vi alt? 4315-4 Au 8 4279°2° Mo 6 
4352-4 Syed 4314°6 Nd 8 4279-1 Wo 1) 
4352-2 Mg 2 4311-7 Te G 4277-4 Mo 6 
4352°1 Pe A 4311°6 Os 8 4977°3 Cs 65 
4351°9 Nad 8 4309°8 We BO 4277-1 Mo 6 
4351-9 Cr 8 4308-0 Fe 10 4277-1 We ie 
4351°5 O 6 4307°9 Ca 6 4278°3 Cu 10 
4351-2 IWGl a 4307-7 Ru 6 4275:°3 Nd 5 
4350°6 Pe 6) 4307°6 Cl #8 4275°3 Te 6 
4350°5 Mo 6 4306°1 I LG 4274°9 Cr 10 
4350°5 Ba 6 4306:0 Ike IO 4274°7 Se 20 
4349°6 O 8 4305°6 Sr 30 4274-2 Wie & 
4348°2 Wi 4304°6 Nd 5 4274-1 Kr 10 
4348°1 A 9 4303°8 Nd 10 4273-4 Li 4 
4347-7 Pe  & 4303°8 le 6 4972°5 ee 7 
4347-7 Hg 2 4302°7 Ca 10 4272°3 A é 
4347-6 O 5 4302°6 By) 4271-9 Fe 10 
4347-4 Ur 8 4302°3 Wise: 4971-3 Fe 7 
4346°7 N 6 4302°1 Te 6 4269°8 Whe 4 
4345°7 O 6 4300°6 Se 20 4269-7 la 10 
4344°7 Cr 8 4300°2 A 8 4269°5 Wi 6 
4344-6 Pe 8} 4299-2 Pr 5 4269-4 Mo 6 
4343°8 Cl 10 4299-1 CameG 4269-0 bs) 7 
4341-9 Ur 4 4298 0 1p fs} 4268°8 We ahd 
4341:2 We te 4298:0 INi@l 4268-3 Ir 6 
4340°8 R 450 4297-9 Ru 8 4267°5 C U 
4340°7 jel 116) 4297°3 Wie BR 4266°4 A 8 
4340°7 I ILS) 4296°9 Ce 10 4268°0 Sb 6 
