T II 13 
Vol.  XII.]  COLOMBO,  APRIL  ist,  1893.  [No.  10. 
CEYLON  MANUAL  OF  CHEMI- 
CAL ANALYSES: 
A HANDBOOK  OF  ANALYSES  CONNECTED  WITH  THE 
INDUSTRIES  AND  PUBLIC  HEALTH  OF  CEYLON  FOR 
PLANTERS,  COMMERCIAL  MEN,  AGRICULTURAL 
STUDENTS,  AND  MEMBERS  OF  LOCAL  BOARDS. 
By  M.  COCHRAN,  m.a.,  f.c.s. 
( Continued  from  page  SS6. ) 
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Kind  of  Straw. 
Wheat 
Spelt 
Rye 
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Barley  (Winter) 
Do.  (Summer)  . . . 
Maize 
Do.  Cob 
Rice  Japan  (irrigated) 
Do.  (upland) 
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It  will  be  seen  from  the  above  that  Japan  rice 
straws  surpass  all  other  well-known  cereal  straws 
which  have  been  analysed,  in  the  amount  of 
nitrogenous  substances  they  contain.  Rice  straws 
also  surpass  the  others  in  respect  of  the  pro- 
portion of  fat  present.  The  amount  of  fibre  in 
rice  straw  is  low,  and  that  of  mineral  matter 
higher  than  in  other  straws. 
In  one  of  the  samples  from  the  district  of 
Madura  in  the  Carnatic,  Dr.  Van  Geyzel  found 
about  as  much  nitrogenous  substance  as  Kellner 
found  in  Japan  upland  rice  straw;  but  each  of 
the  others,  and  the  average  of  all  the  samples 
analysed,  show  a smaller  proportion  of  nitrogenous 
substance  in  rice  straw  from  the  Carnatic  than 
Kellner  found  in  straw  of  Japan  upland  rice; 
but  Nos.  2,  3,  and  8 compare  well  with  Japan 
irrigated  rice  straw.  On  the  other  hand  Dr.  Van 
Geyzel  found  considerably  less  fibre  and  more 
carbo-hydrates  in  rice  straws  from  the  Carnatic 
than  Kellner  found  in  Japan  straws. 
Analyses  of  the  ash  of  rice  straw  have  not 
come  under  my  notice.  The  determination  of  the 
composition  of  the  mineral  matter  in  rice-straw 
appears  to  be  still  a desideratum ; but,  if  not 
already  published,  such  analytical  results  will 
no  doubt  be  available  ere  long,  and  they  may 
then  be  compared  with  the  following  ash  analyses 
of  other  cereals  by  Wolff:— ■ 
# 
Average  of  6 samples,  f Average  of  8 samples 
