Meeting  of  American  Chemical  Society.  { ^™o{tobeJ'^?20. 
744 
Atomic 
Symbol. 
Weight. 
Dysprosium  
 Dy 
162  .  5 
Erbium  
 Er 
167  .  7 
 Eu 
152  .0 
Fluorine  
 F 
19.0 
Gadolinium  
 .Gd 
157  . 3 
 Ga 
70.  I 
Germanium  , 
 Ge 
72  .  5 
 Gl 
9  •  I 
Gold.-  
 Au 
197 . 2 
Helium  
 He 
4.00 
Holmium  
 Ho 
163.5 
Hydrogen  
 H 
1 .008 
 In 
114. 8 
Iodine  
 I 
126.92 
Iridium  
 Ir 
193  •  I 
 Fe 
55  84 
 Kr 
82  .92 
 La 
139.0 
Lead  
 Pb 
207 .20 
Lithium  
 Li 
6  .  94 
Lutecium  
 Lu 
175  .0 
Magnesium  
 Mg 
24 . 32 
 Mn 
54.93 
 Hg 
200. 6 
 Mo 
96.0 
 Nd 
144.3 
Neon  
 Ne 
20 . 2 
Nickel  
 Ni 
58.68 
Niton  (radium  emanation)  Nt 
222 . 4 
Nitrogen  
 N 
14.008 
Osmium  
 Os 
190.9 
Oxygen  
 O 
16.00 
Palladium  
 Pd 
106.  7 
Atomic 
Symbol. 
Weight. 
Phosphorus 
  P 
Platinum 
Pt 
Potassium .... 
  K 
IQ  TO 
Praseodymium 
.   .   .   .  Pr 
1  AO  Q 
Radium  . 
Ra 
226  0 
Rhodium  
 Rh 
102 .  9 
Rubidium  
  Rb 
8"^  zLi^ 
Ruthenium .... 
  Ru 
loi .  7 
Samarium  
  Sa 
I  '^0  A 
Scandium  
....  Sc 
A'\  I 
Selenium 
Se 
Silicon  
Si 
28  T, 
Silver    .  . 
Ae: 
107 . 88 
Sodium  , 
Na 
2 1  00 
Strontium  , 
  Sr 
87  6^ 
Sulphur 
s 
Tantalum  
Ta 
181 
Tellurium  
Te 
127  ^ 
Terbium  
 Tb 
159  .  2 
Thallium 
Tl 
204  0 
Thorium  
  Th 
2  '^2  l'\ 
Thulium 
Tm 
168.5 
Tin  
 Sn 
118.  7 
Titanium  
 Ti 
48.  I 
Tungsten  
 w 
184  .  0 
Uranium  
 U 
238.2 
 V 
510 
 Xe 
130.2 
Ytterbium  (Nec 
tytterbium)Yb 
173-5 
Yttrium  
 Yt 
89-33 
Zinc  
 Zn 
65 -37 
Zirconium  , 
 Zr 
90. 6 
THE  MEETING  OF  THE  AMERICAN  CHEMICAL  SOCIETY. 
The  semi-annual  meeting  of  the  American  Chemical  Society, 
held  at  Chicago  during  the  week  of  September  6th,  was  rich  in 
achievement  and  splendidly  attended.  Over  twelve  hundred  mem- 
bers representing  every  section  of  the  country  were  in  attendance. 
As  usual,  all  of  the  business  of  the  Society  was  transacted  by  the 
Council,  which  met  Monday  afternoon  and  evening,  September  6, 
at  the  University  Club.  The  most  important  matters  of  business 
transacted  were:  Changing  the  name  of  the  Division  of  Pharma- 
