Chemistry and Physics. 61 
the melted salt, and fractionated, In one operation 1350 gra 
of pure acetic ether w was obtained, being 90 per cent of the theoreti 
eal yield. l acetate is readily made in the same wa 
amyl acetate requires A high a.temperature.— Bull. Soe. Ch. TI, 
XXXili, pe April, 1 G. F. B. 
4 Ateabohae of Belladonna, Datura, Sis jodkesjerail and 
Duboisia. Shiba ure has continued his researches on the mydri- 
atic—or pupil- ee ee ds. He finds that Atropa bella- 
donna pie at least two alkaloids, which, on account of their 
specitic gravities, he Jidenachen as heavy’ bi light atropine. 
The form mer 4 the alkaloid known commo y this name, 
itt gs NO, is characterized by a fapuleas: cia salt fusing at 
reece The latter fuses at 170°, forms a scarcely crystalline 
light powder, and gives a gold salt fusing at 159°. if must be 
y daturine fuses at 113 re an is a mixture of atropine 
and hyoscyamine, which may eparated by re-crystallizing the 
gold salts. Indeed, pester sews keris of daturine from 
ds 
‘Hilts asic, yields ad atropine. Light daturine is identical 
wit ose ne. Hyoscyamus ‘contains two alka loids, dis- 
tinguished as crystalline 39a amorphous. The former gives a gold 
salt in brilliant plates fusing at 159°, and not fusing in boiling 
water like the atropine salt. ~ Hyoscyamine itself fuses at 108°5°, 
atropine at 113°5°-114'5°. The former separates from its solu- 
tions as a spectacle Lona, re crystallizes only in fine needles. 
Amorphous hyo ins a new alkaloid, which pean a 
beautiful gold salt, faving hithes than those of atropine hyos- 
cyamine. The aut or is now investigating it. Du sent yields 
allylailing He n finds that scealaiy andline affords chino- 
line fon? on dry distillation. The well-dried reddish-yellow 
aniline is formed and at once oxidized to chinoline. Skraup pre- 
fers a mixture of nitrobenzene and aniline, which affords 25 per 
cent of chinoline.—Ber, Berl. Chem . Ges., xiii, 910, abe! 1880. 
. BE. 
