AmMayj9ooarm'}     Classification  of  Odoriferous  Principles.  223 
Second  Group  :  Alcohols  and  Esters. 
Nos.  1  to  4,  saturated,  with  open  chains  ;  Nos.  5  to  7,  unsaturated,  with  open  chains  ;  No.  8, 
closed  chain  ;  Nos.  9  to  13,  closed  chain.  Terpene  series  ;  Nos.  14  to  15,  closed  chain, 
Benzol  series. 
Name  and  Formula. 
Methyl  alcohol 
CHgOH 
Ethyl  alcohol 
C2H5.OH 
Isobutyl  alcohol 
CH3v 
>CH— CHo.OH 
CH3/ 
Isoamyl  alcohol 
CH.sx 
>CH-CH2-  CHo.OH 
ch/ 
Rhodinol  (geraniol) 
3V>C=CH— CHo— CHo— C=CH— CHo.OH 
CH 
CH, 
Ivinalool 
CH.3v 
NC=CH— CHo— CH2— C(OH)— CH=CH2 
CH, 
Citronellol 
CH3X 
>C=CH— CH2— CHo— CH-CHo— CHo.OH 
CH/  I 
CH3 
Furfurvl  alcohol 
CH  CH 
II  II 
CHX      /C— CHo.OH 
xo' 
Joined  to. 
Natural 
Occurrence. 
Benzoic  acid  (Niobe: 
oil). 
Salicylic  acid  (win- 
tergreen  oil). 
Formic  acid  (rum  es- 
sence). 
Acetic  acid  (acetic 
ether). 
Butyric  acid  (banana 
essence). 
Isovalerianic  acid 
(apple  oil). 
Pelargonic  acid  (arti- 
ficial cognac  es- 
sence). 
Isobutyric  acid. 
Angelic  acid. 
Clove  oil. 
(Gaultheria  pro- 
\<    cumbens,  betu- 
I    la  lenta. 
(Wine  vinegar 
<  cognac,  m  a  g- 
(    noliafuscata  (?) 
Potato  fusel  oil. 
Roman  chamo- 
mile oil. 
Acetic  acid. 
Isovalerianic  acid 
(apple  essence). 
Caprylic  1 
acid  !  Onanth- 
Capric        (  Ether 
acid  J 
Acetic  acid. 
f  Potato  fusel  oil. 
{  Peppermint  oil. 
Cognac  oil. 
Borneol 
CioH17.OH 
CH2 
CH3—  C 
CHo 
CH 
CH  OH  CHo 
Acetic  acid. 
Acetic  acid. 
Isovalerianic  acid. 
f  Rose  oil,  gera- 
I  nium  oil,  citro- 
j  nella  oil, lemon 
^    grass  oil. 
Neroli  oil. 
foils  of  linaloe, 
J     bergamot,  lav- 
j     ender,  neroli, 
[  jasmine. 
(  Oils  of  bergamot 
(    and  neroli. 
(  Rose  oil,  citro- 
|  1    nella  oil. 
Coffee  oil. 
Borneo  camphor. 
Nagai  camphor. 
Rosemar}-  oil. 
Pine-needle  oil. 
(  Oils  of  valerian 
and  Japanese 
(  valerian. 
