a The Kighth Indian Science Congress. CXXili 
aniline, naphthylamines, etc., form d finit e introduc- 
tion of negative aati phe the aniline reeves Be ibm to inhibit 
the formation of compounds. Mixed alphyl-ary] secondary and tertiary 
amines also yield additive eo eg dia i itarees of the types 
diphenylamine and phenyl-naphthylamine do not. Cyclic bases such as 
earbazole, phenylacridine, oiaulk uted sect clones apnea tetra-hy- 
droquinoline and carbostyril do not yield ae ete< ounds, whereas 3- 
mshi mae o-and p-aminoquinvline comb with SBE hs eel 
The ec mpositions of the additive compou tide are exactly analagous 
to those a the trinitrobenzene additive compounds, but their eens are, 
on the whole, somewhat paler 
Experiments on sandalwood oil.—By B. Sanjiva Rao, 
J. J. Supporover and H. E. Watson 
Numerous experiments on the effect of sunlight and ‘boiling water on 
en made. 
amples of the dry ol % were : (a) exposed to bright sunlight ; () ee 
posed to diffused light; (¢) kept in a dark room during several m 
activity determined. Samples in amber coloure a apor =— — so 
in & stistar manner. No alter ‘igh in opti 
sed in 
served in any of the bottles and only in the ean hotties pate to 
bright nealight was a slight dismunition : solubility observable. 
Briggs (J. Ind. Eng. Chem. 1916, 8, 428) has a that LB 
boiling with water produces a oo e in rotation fro *7 to-13°3 
ition of Brig *s experiments has shown that not ole does the 
rotation alter but that the solubility in 70 per cen ecreases 
arked extent, althoug e percentage of alcohols, calculated 
santalol, 2 Cables ot diminish. It is probable that the changes 
are due to the conversion of a portion of the # Santalol [a )>=—42°] into 
a Sei [apy= + 2°). 
The relationship between iodine values and refractive 
indices of hardened vegetable and anima s.—B 
J. J. Supsoroven, H. E. Watson, K. Panpuranoa 
Rao, D.-Y. AtTHawatr, D. V. CHANDORKAR 
foe P. Karvup. 
particular oil, e.g. cotton seed or e Oi re is a fixed ciaticnship 
he io value and refractometer number of 
determination the refractive index or refractometer nu - 
ened oil is therefore an indication the degree of reduction if graphs 
shewing the relationships between iodine values and refractive indices for 
different o e known . gr om oS been drawn for the following 
oils :—Cotton seed, ground nut, hon a, gingelly and sardine. In 
most cares the graphs are praptically gear lines and those for cotton 
seed oil and mohwa oil are identical. 
Some ss on oil splitting by castor seed lipase. 
—By J. SuprorovacH, H. E. Watson, ITTEYARAH 
JOSEPH, - R. Na RAYANAIYER, S. PALNIYANDI PILLay 
cme K. R. Rama IYER. 
Various experiments have been made with a ferment obtained by 
orisidinng "eciottieds a castor seeds with acetic acid, washing with water, 
pressing through cloth and filtering. 
