io  Development  of  the  Sugar  Industry.    \ A ^/uTry,  ims™' 
20.  Collin,  E. :  "  Traite  de  Toxicologic  V egetale."  Octave  Doin,  Paris, 
1907. 
21.  Strasburger,  Dr.  E. :  "  A  Text-book  of  Botany,"  translated  by  W.  H. 
Lang.    Macmillan  &  Co.,  London,  1908. 
22.  Greenish :  "  Materia  Medica."    Churchill,  London,  1909. 
23.  Karsten  und  Oltmarms  :  "  Lehrbuch  der  Pharmakognosie."  Gustave 
Fischer,  Jena,  1909. 
24.  Kraemer :  "  Botany  and  Pharmacognosy."  J.  B.  Lippincott  Compan}', 
Philadelphia,  1910. 
25.  Greenish :  "  The  Microscopical  Examination  of  Foods  and  Drugs.'' 
P.  Blakiston's  Son  &  Co.,  Philadelphia,  1910. 
26.  DeVries,  Hugo  :  "  Species  and  Varieties,  Their  Origin  by  Mutation." 
Open  Court  Publishing  Company,  Chicago,  1906. 
27.  DeVries,  Hugo:  "Plant  Breeding."  Open  Court  Publishing  Com- 
pany, Chicago,  1907. 
28.  DeVries,  Hugo  :  "  The  Mutation  Theory,"  Vols.  I  and  II.  Open  Court 
Publishing  Company,  Chicago,  1909-1910. 
29.  DeVries,  Hugo :  "  Intracellular  Panganesis."  Open  Court  Publishing 
Company,  Chicago,  1910. 
30.  C.  Correns :  Berichte  der  Deutschen  Botanischen  Gesellschaft,  Vol. 
XXI,  1903,  p.  195. 
31.  O.  Anselmino  and  E.  Gilg:  "Commercial  Henbane  Leaves,"  Arch. 
Pharm.,  pp.  251,  367-76;  "Through  Chemical  Abstracts." 
Department  of  Pharmacognosy, 
College  of  Pharmacy, 
University  of  Minnesota. 
THE  DEVELOPMENT  OF  THE  SUGAR  INDUSTRY.* 
By  C.  A.  Browne."!* 
In  previous  lectures  before  the  students  of  this  course,  the  sub- 
jects of  sugar  manufacture,1  the  production  of  raw  sugar  in  some 
of  our  colonial  possessions  2  and  the  utilization  of  by-products  of 
the  sugar  industry  3  were  treated.  These  have  all  been  printed  in 
the  School  of  Mines  Quarterly,  and  to  save  time  and  avoid  repetitions 
I  refer  you  to  this  publication  for  many  details.    As  a  topic  for 
*  A  lecture  in  the  Department  of  Chemistry,  Columbia  University,  April 
17,  1914,  and  reprinted  from  The  School  of  Mines  Quarterly,  April,  1914, 
pp.  223-241. 
f  Chemist-in-charge,  New  York  Sugar  Trade  Laboratory,  80  South  Street, 
New  York. 
1  School  of  Mines  Quarterly,  April,  191 1. 
2  Ibid.,  January,  1913. 
*  Ibid.,  July,  1913. 
