398 
The Ph. Brit. Committee of Reference in Pharmacy report on oil 
of peppermint says: Foreign oils, other than Japanese, which is ex- 
cluded by the description, should be official, and free and combined 
menthol determined. — Chem. & Drug., Lond., 1906, v. 69, p. 864. 
Brandel, I. W., reviews some of the more recent literature relating 
to oil of peppermint of French, English, and Japanese origin. — 
Pharm. Rev., Milwaukee, 1906, v. 24, p. 118. 
Schindelmeiser, J., discusses the physical and chemical properties 
of Russian oil of peppermint. — Apoth. Ztg., Berk, 1906, v. 21, pp. 
927-928. 
An editorial, commenting on some American oil of peppermint not 
of first quality, notes that one of the causes of superiority of English 
oil of peppermint is the incessant weeding and hoeing of the crops. 
On some of the American farms great care is also taken ; but there is 
no doubt that many crops are allowed to grow without this needful 
precaution, and the result is noticeable at once in the flavor of the 
distillate. — Chem. & Drug., Lond., 1906, v. 69, p. 897. 
An editorial gives tabulated statements of the peppermint crops in 
Japan, exports and total value thereof of menthol and peppermint oil 
for the years 1902-1906. — Ibid ., v. 69, p. 717. 
Gehe & Co. discuss economic conditions prevailing in the market 
for American and Japanese oil of peppermint, including a consid- 
eration of the production, export, and price of the oil. — Hanclels-Ber., 
Gehe & Co., 1906, p. 41. 
An editorial discusses the economic conditions and the probable 
shortage in the yield of oil of peppermint and gives the highest and 
lowest prices for oil of peppermint for the years 1873 to 1906, inclu- 
sive. — Oil, Paint and Drug. Rep., 1906, v. 69, Apr. 16, p. 7. 
Schimmel & Co., discuss some of the economic conditions prevail- 
ing in regard to oil of peppermint. — Semi-Ann. Rep. Schimmel & 
Co., 1906, Apr.-May, p. 50 ; Oct -Nov., pp. 52-59. 
Patch, E. L., reports on six lots of oil of peppermint which con- 
tained from 24.86 to 60 per cent of total menthol. — Proc. Am. Pharm. 
Ass., 1906, v. 54, p. 342. 
Baird, J. W., reports three samples examined in 1904, one adul- 
terated. — Proc. Massachusetts Pharm. Ass., 1906, p. 59. 
See also under Mentha Piperita. 
OLEUM MENTHA VIRIDIS. 
Schimmel & Co. report on two samples of Russian oil of spearmint, 
the specific gravity and optical rotation of which are lower than the 
American and German distillates. They conclude that the Russian 
oil can scarcely be regarded as a substitute for the American oil of 
spearmint. — Semi-Ann. Rep. Schimmel & Co., 1906, Oct.-Nov., p. 73. 
