476 
PROFESSOR W. N. HARTLEY ON THE 
specimens of alkaloids and other substances in a state of great purity were for the 
most part obtained from the chemists by whom they were prepared, namely, Messrs. 
T. and H. Smith and Son, of Edinburgh, Dr. C. R. A. Wright, and Mr. David 
Howard. I am particularly indebted to Dr. Stevenson and Dr. C. R. A. Wright 
for several aconitine specimens, also to Mr. David Howard for the cinchona alkaloids. 
The substances examined were the following :— 
Alkaloids of the A conites. 
Aconitine from A. Napellus .C 33 II 49 N0 12 
Pseudaconitine from A. Ferox . .c 36 h 43 eo 13 
Japaconitine from a species of Japanese aconite . . C 66 H 88 N 3 0 21 
Aconitine from a foreign source ; probably picraconitine. 
Alkaloids of the Cinchonas. 
Cinchonine.C 20 H 24 H a O 
Cinchonidine sulphate.(C 20 H 24 N 2 O) 2 .H 2 SO 4 .2Aq 
Quinine.C 20 H 24 N 2 O 2 
Quinine sulphate.(C 20 H 24 N 2 O 2 ) 2 .H 2 SO 4 .2Aq 
Quinidine sulphate.(C 20 H 24 N 2 O 2 ) 2 .H 2 SO 4 .2Aq 
Morphine . 
Codeine 
Narcotine . 
N arceine . 
Papaverine 
Thebaine . 
Alkaloids of the Papaveracese. 
.C'34p[ 3 8N 3 0 6 
.c 36 h 42 n 2 o 6 
.c 23 h 23 no 7 
.c 23 h 29 no 9 
.C 21 H 21 N0 4 
.C 19 H 21 N0 3 
Derivatives of the Opium bases. 
Tetracetyl-morphine.C 34 H 34 (C 2 H 3 0) 4 N 2 0 G 
Diacetyl-codeine.C 36 H 40 (C 2 H 3 O) 2 N 2 O 0 
Oxynarcotine.C 22 H 23 N 0 8 
Cotarnine hydrobromide.C 12 H 13 N0 3 .HBr 
Apomorphine hydrochloride.C 17 H 17 N0 2 .HC1 
Alkaloids of the Solanacese. 
.c 10 H 14 N 2 
.c 42 h 87 no 15 
• ... c 17 h 23 no 3 
Nicotine 
Solanine 
Atropine 
