Amsep°tu"'Xh6arm'}  Contributions  from  the  School  of  Pharmacy,  etc.  389 
2  gave  abundant  qualitative  tests  for  the  same  substance.  No.  1  was 
dark  colored,  moist  and  sticky. 
VI.  Analysis  of  eleven  specimens  of  the  "Native  Sulphide  of  Antimony"  sold  in 
Pharmacy.    By  Wm.  C.  Sheffield,  Ph.C. 
These  samples  of  "  black  antimony,"  or  "  black  sulphur,"  as  it  is 
often  called,  were  obtained  at  as  many  different  retail  drug  stores,  in 
four  cities  in  Ohio  and  Michigan.  They  were  subjected  to  qualitative 
and  quantitative  analyses,  and  the  following  percentages  obtained :  x 
p, 
u 
rt 
'«J 
V 
4) 
3 
1/1 
rt 
a 
0 
& 
_o 
C4 
6 
'5 
0  « 
3 
0 
cT  . 
3 
s 
t> 
ntim 
phic 
rsen: 
ide. 
arbo 
coal 
licio 
3 
0 
<u 
alciu 
c  &< 
bJD  3 
rt  55 
O 
< 
< 
O 
In 
fa 
(J 
H 
No.  1 
315 
66 
8  9 
I7'2 
2-5 
22'0 
7'5 
96*2 
"     2  - 
O'O 
1. a 
165 
73'5 
i*5 
3'5 
i-6 
97- * 
"     3        -       "  " 
o"o 
trace. 
I2'5 
67'5 
4'4 
5*5 
37 
93-6 
«     4  - 
O'O 
4-2 
34  7 
7-0 
6  2 
22'0 
22'8 
96  9 
"    5       ~       -  " 
O'O 
1*2 
55'5 
37'5 
2-3 
I'I 
0'9 
98-5 
"      6  - 
O'O 
O.O 
n'7 
79"3 
7'5 
O'O 
O'O 
98-5 
"     7       "       -  - 
O'O 
O'O 
45-6 
9-0 
1  1 
26-6 
95'8 
«     8  -       -       -  - 
O'O 
0  0 
20'0 
77'5 
i'i 
O'O 
O'O 
98  6 
«     9       -       -  " 
O'O 
O'O 
28'4 
33  8 
4-6 
20*9 
10-3 
98-0 
"  10- 
0.0 
O'O 
6o-6 
i4'3 
i-6 
14-2 
6-6 
97-3 
Average  - 
3*i 
1*3 
29-4 
41-6 
32-8 
ii'6 
67 
No.  1 1 
I  Very 
I     of  a 
nearly 
rsenic. 
pure  antimonions  sulphide,  with  a  trace 
These  results  may  be  of  interest  to  some  one  curious  to  know  whether 
any  dispensing  pharmacist  ever  makes  all  his  antimonial  preparations 
as  provided  by  the  "  Pharmacopoeia."  Also,  they  may  be  of  interest  to 
Mr.  Bergh,  of  New  York. 
VII.  Valuation  of  eight  samples  oj  Precipitated  Sulphur,  alias  Milk  of  Sulphur,  as 
found  in  the  Market.    By  C.  W.  L.  Dietrich,  Ph.C. 
These  samples  were  obtained  at  different  dispensing  pharmacies,  sixr 
in  Grand  Rapids  and  two  in  Ann  Arbor,  Michigan.    They  were  all 
