1 TERNSTR@IMIACEE.. 
No. 11, p. 2164,) described a new base which he named theo- 
phylline, very similar in character to theobromine. It melts 
at 264° C., and sublimes at a temperature above its melting 
point. The crystals are larger than those of theobromine, but — 
have the same chemical composition. Theophylline. forms 
- definitely crystallizable salts with hydrochloric and nitric acids, | 
| sparingly soluble double salt with mercuric chloride. 
formula is C’? H® N+ 0% 
Battershall (I’00d Adulterations) gives the following ‘as the 
results of the analysis by American chemists of samples repr 
senting 2,414 packages of Indian teas :— . 
Per cent. per cent. 
Moisture 5°83 to 6'325 — 5-938 
Extract «+ 37°80 ,, 40°35 — 38841 
Total ash 5:05 4, 6024 —. 5618 
Ash soluble in water... 3°122 ,, 4:280 — 3°516 : 
Ash insoluble in water. 1:89 _ 
Ash insoluble in acid... +120 ,, °296 — ‘177 
Insoluble leaf... 47:12 ,, 55°87 — 51°91 
Tannin . 13:04 ,, 18868 — 15°323 
Theine vecssssgoree 1°88 4, 8240 — 2°786, 
Dr. B. H. Paul and A. J. Cownley (Pharm. Journ., Nov. 
_ 19th, 1887,) give the following interesting account of an inquity 
undertaken for the purpose of ascertaining the circumstances 
_ that determine the differences of “strength” in tea:— 
© Qne of the points to which we directed our attention 
the extraction of the theine in such a way that precise analytical 
results could be obtained admitting of a comparison of different 
__ kinds of tea in regard to the percentage of theine. After several 
trials we found that the method we had previously adopted for 
