5IO 



WHERRY AND YANOVSKY: MORPHINE DERIVATIVES 



Some commercial dionin was dissolved in water, and ammonium 

 hydroxide added to precipitate the alkaloid. This was extracte d 



TABLE 4. Angle Table for Codethyline Monohydrate 

 Rhombic, Probably Bisphenoidal; a:b:c = 1.454:1:0.789" 



Observed 



Calculated 



" The maximum variation of 

 beyond the third decimal place. 



= 20 — observed renders the axial ratios uncertain 



by ether, and recrystallized from this solvent until the melting 

 point became constant at 83°. 



Fig. I. — Codethyline 



Fig. 2. — Heroine 



The crystals obtained from ether containing a little water 

 reached a diameter of 5 mm., and were measured, with the re- 



