Am'ju°nXi?9b3arm-}  Specimens  of  Aconitine.  299 
(4)  "  Aconitine,  Pure"  (German). — A  dirty  white,  amorphous  pow- 
der melting  at  iu°.  The  solution  in  dilute  acid  was  yellow.  No 
crystalline  aconitine  salt  could  be  isolated,  although  a  small  quantity 
of  the  alkaloid  was  detected  by  its  physiological  action.  Some 
isaconitine  was  obtained  in  addition  to  other  amorphous  alkaloids, 
including  aconine. 
(5;  "  Aconitine,  Crystallized  "  (German). — A  collection  of  small 
white  crystals  melting  at  1700.  It  yielded  a  considerable  quantity  of 
crystalline  aconitine  hydrobromide,  from  which  the  pure  crystalline 
base  melting  at  188-1890  was  regenerated.  Isaconitine  was  also 
obtained.  Rather  more  than  two-thirds  of  the  original  material  was 
aconitine. 
(6)  "  Napelline  "  (German). — Napelline  was  the  name  given  by 
Hubschmann  to  what  seems  to  have  been  a  mixture  of  the 
amorphous  alkaloids  of  Aconitnm  Napellus.  A  brown  amorphous 
powder  melting  near  1200,  and  not  completely  soluble  in  dilute 
acid.  The  highly  colored  solution  furnished  some  isaconitine.  It 
also  contained  aconitine  and  considerable  quantities  of  amorphous 
alkaloid,  partly  aconine.  The  original  substance  was  probably  the 
total  alkaloids  of  A.  Napellus,  from  which  some  of  the  aconitine  had 
been  removed. 
(7)  "Aconitine,  Pure"  (English). — A  yellowish,  amorphous  powder 
melting  at  85 °.  It  partially  dissolved  in  dilute  acids,  forming  a 
colored  solution  from  which  no  crystalline  aconitine  salt  could  be 
isolated,  although  the  presence  of  a  small  quantity  of  this  alkaloid 
was  detected  by  its  physiological  action.  About  two-thirds  of  the 
alkaloid  consisted  of  amorphous  alkaloids,  the  remainder  being 
resinous  substances,  apparently  non-alkaloidal,  and  a  little  aconine. 
(8)  "Aconitine  from  A.  Napellus"  (German). — A  yellow,  amorphous 
powder  melting  between  105 0  and  no°.  Its  solution  in  dilute  acid 
was  colored.  A  considerable  quantit}'  of  crystalline  isaconitine  salt 
was  separated,  but  the  amount  of  aconitine  was  too  small  to  admit 
of  isolation.  More  than  one-fifth  of  the  original  substance  turned  out 
to  be  isaconitine,  the  remainder  being  other  amorphous  bases,  a  small 
quantity  of  aconitine,  and  some  non-alkaloidal  substance. 
(9)  "Aconitine"  (English). — A  nearly  white,  amorphous  powder, 
dissolving  in  dilute  acid,  forming  a  dark  colored  solution.  The 
substance  was  chiefly  composed  of  amorphous  bases  with  very  little 
aconitine. 
