97 — 



of the isomerides. The methylated coumarines obtained by Fries 

 and Klostermann are attacked in various ways by alcoholates and 

 aqueous alkalies. But as these conditions are obviously very com- 

 plicated, the two authors continue their experiments, which are intended 

 to show whether laws can be formulated for the formation of coumarinic 

 and isomeric coumarinic acids. 



For the quantitative estimation of coumarin in vanilla extracts, 

 see under vanillin, p. ioo of the present Report. 



Menthol. With regard to this article we would refer to what 

 we said on p. 58 respecting Japanese peppermint oil. 



Musk, Tonquin. The spring season closed with very firm 

 prices, as towards the end of May the stocks were almost completely 

 exhausted, and the forecast is that the prices in the approaching 

 autumn season will not be cheaper. 



The shipments of musk during the first half-year of 1906 were 

 as follows: — 



Musk export from Shanghai, from i st January to 30 th June 1906. 



Year. 



Paris 



London 



New York 



Germany 



and 

 Austria. 



Total. 



1906 



Catties 



580 1) 



Catties 



Catties 

 177 



Catties 

 46 



Catties 



803 2 ) 



1905 



278 



1904 



489 



1903 



616 



1902 



568 



1901 



419 



1900 



630 



1899 



640 



1898 



859 



against : 



73 



50 



122 



125 



134 



43 



145 



330 

 249 

 312 

 295 

 254 

 174 

 186 

 218 



40 

 50 



721 



838 



134 



1184 



99 



1087 



7i 



878 



36 



883 



125 



1096 



86 



1251 



Further reports on this article have unfortunately not come to hand. 



Our work on the natural musk aroma which we mentioned already 

 in detail in our last Report 3 ), has recently also been published in the 

 technical press 4 ). 



1 ) A further undetermined quantity sent to Paris per parcel-post is not included 

 in this figure, as such consignments do not pass through the Ch nese custom-house. 



2 ) Of which about 85°/ Tonquin, and 15% Sawko, Tampi and Cabardine. 

 8 ) Report April 1906, 94. 



4 ) H. Walbaum, Das naturliche Moschusaroma. Journ. f. prakt. Chemie II. 

 73 (1906), 487. 



7 



