736  News  Items  and  Personal  Notes       j  Ambc?u,ri92?arm' 
vantages  of  these  methods  over  desiccation,  evaporation,  cold  stor- 
age, heat  and  chemical  processes.  This  lecture  will  be  illustrated 
with  a  variety  of  dehydrated  products. 
i   
Fifth  Lecture.  Thursday  evening,  December  15,  192 1.  "Our  Bacterial 
Friends  and  Enemies  (The  One  Class  to  Be  Protected  and  the 
Other  Destroyed)."  By  Prof.  Louis  Gershenfeld,  B.  Sc.,  Pro- 
fessor of  Bacteriology,  Philadelphia  College  of  Pharmacy  and 
Science. 
The  micro-organisms — their  discovery  and  classification.  De- 
velopment and  scope  of  bacteriology.  The  general  characteristics, 
and  activities  of  bacteria.  Their  relation  to  health  and  disease. 
Bacteria  in  humans  and  animals,  air  and  soil,  drinks  and  foodstuffs. 
Bacteria  of  value  and  harmful  in  the  arts  and  industries. 
Sixth  Lecture.  Thursday  evening,  January  5,  1922.  "Chemistry  in 
Peace  and  War."  By  Prof.  P.  Fischelis,  B.  Sc.,  Phar.  D.,  Con- 
sulting Chemist,  Member  Editorial  Staff,  The  Journal  of  Indus- 
trial and  Engineering  Chemistry;  Dean  of  the  New  Jersey  Col- 
lege of  Pharmacy. 
The  dependence  of  America  in  peace-time  pursuits  and  the 
possibility  of  transforming  these  industries,  when  necessary  into 
factories  for  producing  engines  of  destruction,  poisonous  gases  and 
high  explosives. 
Seventh  Lecture.  Thursday  evening,  January  19,  1922.  "A  Thou- 
sand and  One  Odors"  (Of  interest  to  those  who  use  perfumery 
and  those  who  desire  to  make  it).  By  Prof.  E.  F.  Cook,  Ph.  M., 
Director  of  the  Pharmaceutical  Laboratory,  Philadelphia  Col- 
lege of  Pharmacy  and  Science. 
First  Part.  A  popular  presentation  of  the  history  of  perfumery 
with  a  description  and  samples  of  those  materials  from  material 
sources  which  the  perfumer  can  utilize  and  a  brief,  illustrated  story 
of  their  production  and  marketable  forms. 
Second  Part.  An  account  of  the  synthetic  production  of  per- 
fumes, their  chemical  character  and  a  display  of  samples  of  the  ar- 
tificially produced  flower  odors. 
Third  Part.  A  display  of  modern  perfumes  and  perfumed  pro- 
ducts. 
