1884.] The Absorption- spectra of the Alkaloids. '6 



Quinidine Sulphate. Piperine. 

 Cinchonidine Sulphate. Brucine. 

 Veratrine. Strychnine. 



Alkaloids transmitting continuous Spectra. 



Narceine. Hyoscyamine. 



Aconitine (foreign). Digitaline. 



Cevadine. Picrotoxine. 



Atropine. Nicotine. 



Solanine. CafEeme. 



fecaie 

 numbers. 



Ware -lengths. 



Reciprocals- 



Q „„"] „ 



ocale 

 numbers. 



Wave-lengths. 



Reciprocals. 



17 



448U ALg 



OOQO 



T flA 



iyu 



2812 Sn 



3o56 



17 '7 



4454 Ca 



^^40 



TOO • X 



ZoOl Jrb 



3571 



18 *9 



4434 Ca 





197 



2778 Sn 



3599 



20 "0 



4424 Ca 





1 OOQ . K 



ZUd 



0*7 A *7 f^A 



3640 



20 "5 



A A 1 A 



4414 Ucl 



one " 



zzbo 



Zld 



2705 Sn 



dbyb 



22 - 5 



a o a a ~d~u 

 4dob _rb 



OOOA 



ooo 

 Z^d 



2bb2 Jrb 



3756 



30 "5 



ao a n x>u 



oo:x 

 ZdOO 



Zoo 



2613 Pb 



3827 



42 '7 



4061 Pb 



2462 



240 



2593 Sn 



3856 



62-0 



3800 Sn 



2503 



244 



2576 Pb 



3882 



67 *3 



3739 Pb 



OC*~l A 



245 



2572 Cd 



3888 



72 



dood Jrb 



OTT K 



2/lo 



245 - 5 



2570 Sn 



3891 



/ D "O 



dbdy rb 



Z/43 



OA *7 

 Z4/ 



zobl Jrb 



3901 



79 



dblO Co. 



2770 



251 "5 



2545 Sn 



392c) 



82 '7 



do/2 Jrb 



2799 



zbb o 



2495 Sn 



4008 



93 '7 



o4bo Oct 



zoob 



270 



2483 Sn 



402 7 



97 



3437 Air 



2909 



272 



2475 Pb 



4040 



101 



3403 Cd 



2938 



281-3 



2445 Pb 



4090 



| 106 5 



3352 Sn 



29S3 



282 



2443 Pb 



4095 



109-5 



3330 Sn 



3003 



286 -5 



2429 Sn 



4116 



115 



3283 Sn 



3045 



-289 



2422 Sn 



4128 



118 



3262 Sn 



3065 



295 



2402 Pb 



4163 



119 -5 



3260 Cd 



3067 | 



298 



2393 Pb 



4178 



129-5 



3174 Sn 



3150 



306 



2368 Sn 



4223 



135 



3137 Pb 



3187 I 



311 



2355 Sn 



4246 



151 



3033 Sn 



3297 



318 



2335 Sn 



4282 



155 



3008 Sn 



3324 1 



320 



2329 Cd 



4293 



159 5 



2980 Cd 



3355 



322-7 



2321 Cd 



4308 



165 



2949 Pb 



3391 



325 -7 



2313 Cd 



4323 



171 

 177 



2912 Sn 

 2880 Cd 



3434 

 3472 



335 



— .{«} 



4370 



178-5 



2872 Pb 



3481 



344 



2265 Cd 



4415 



180 



2862 Sn 



3494 



351 



2247 Sn 



4450 



182 -5 



2849 Sn 



3510 



353-5 



2241 Cd 



4462 



185 



2837 Sn 



3524 



368-5 



2205 Pb 



4535 



186 



2832 Pb 



3531 



372 o 



2195 Cd 



4555 



18S 



2822 Pb 



3543 



395 



2145 Cd 



4662 



The conclusions to be drawn from this investigation are the follow 



