200 ABSTRACTS OF PAPERS FROM OTHER JOURNALS. 
absorption bands are rapidly changed, even in the dark, into those 
, tion 
becomes pale yellow, and then hardly shows a trace of absorp 
bands, the band I being only just discernible. The eucalyptus 
colour, but the bands I, II, and IV are quite as distinct as ei 
whilst in addition to these the broad band IV, between the E. 
a 
¢. remained visible, whilst in extract of grass the former 
becomes faint and the latter disappeared. 
Leaves or E. Grosvutvs. P. A. Hartzer. (Deut. Chem. Ges. 
Ber, IX, 314 ; Watt’ Sup., ITI, 762. ae 
e old leaves exhausted with alcohol yield a complex oe 
consisting of tannin, a resinous acid dissolving with a aryt 
colour in sulphuric acid ; a fatty acid melting at 245° to a 
and containing 7 per cent. carbon, and 11 per cent. hydrogen; 
an alcohol which is perhaps ceryl alcohol, and several resins. 
Lerp MANNA, Fliickiger. (Arch. Pharm. [2], CXLVI, iss 
Waitt’s Dict. Supl. IT, 733.) a 
This substance, found on the leaves of Eucalyptus ee ; 
consists of white threads cemented by a syrup produced by 
i h 
change took place in the dark thoug 
I 
nt. ce 
starch-like in properties, but differ in fo n the per 
is w with water the sugar and a little of the threads disso” 
is 
very slightly soluble in water, either cold or at 100°, but heated to 
135° with 30 - ater i 
