Part tV.] Puran Singh: Preparation of Tannin Extracts. 25 
Serial 
num- 
Species and Locality. 
Mois¬ 
ture. 
Tan¬ 
nin. 
Tannin 
on dry 
By whom reported. 
Remarks. 
ber. 
material. 
Per 
Per 
Per¬ 
cent. 
cent. 
cent. 
12 
Rhizovbora gymnor- 
hiza (from Bengal) 
14*14 
12-77 
Professor Dunstan. 
13 
D itto ditto . 
960 
15-90 
17-50 
Mr. D. Hooper. 
14 
Ditto ditto . 
14-81 
Dr. Leather. 
15 
Carrallia integer - 
rima (from Pegu) . 
Mf 
1*5 
The 
ash is 
equal to 15 2 
per cent, and 
the 
bark was 
about £ inch 
thick. 
16 
Ceriops Candolleana 
1 
A4 £ 
(from Singapur) 
13-34 
20-00 
1 23-07 
j Ash 
| Si e3 
r-( 
f Professor Trimble 
10 60 
I r O 
G 
1 s* 2 /*—s 
17 
Ceriops Candolleana 
j (in 1897). 
Ash 
H ® os 
(from Bengal) 
13-70 
j 27-24 
31-56 
5-83 
^ <U O0 
8 f-H 
fa „ 
.22 a 
ns 5 ’-g 
18 
Ditto ditto . 
13-30 
i 26-20 
30-20 
■\ 
| Ash 1 
a ^ ,3 
C3 O r-- 
f Mr. D. Hooper 
10-60 I 
1 ■+= a 
I 
j (1898). 
Ash 
i a o 
ft £ £ 
19 
Ditto ditto 
15-40 
15-50 
18*30 
13-70 ] 
§3 Q} 
! a'SM 
j 
20 
Ditto ditto . 
... 
18-78 
Dr. Leather (1899) 
1 
! I s ! 
1 
21 
Ditto ditto . 
14-47 
17-77 
1 
| 
1 % So 
22 
Ditto ditto 
12*32 
• •• 
21-54 
Professor Dun- 
'e S <% 
1 stan (1900). 
1 |>g % 
s-i a 
23 
Ditto ditto . 
17-18 
... 
13-23 
J 
J Ss 
24 
Ceriops Roxlur- 
ghiana (Sunderbuns, 
Bengal) 
12-14 
[ 
25-34 
Professor Dunstan. 
25 
Ditto ditto 
9-2 
19-20 
21-10 
Mr. D. Hooper. 
26 
Kardelia Rheedii 
- 
(Sunderbuns, Ben¬ 
gal) 
14-29 
11-99 
Professor Dunstan. 
242 
