224 
DR. TYNDALL ON MOLECULAR INFLUENCES. 
Table I. (Continued.) 
Description of wood. 
0 
I. 
’arallel ] 
to fibre 
f wood, p 
II. 
Perpendicular ] 
to fibre and 
arallel to lig- 
neous layers. 
III. 1 
Perpendicular j 
to fibre and 
to ligneous 
layers. 
C 
O 
11-5 
12°'5 
11-5 
12'0 
10-5 
12'0 
11-0 
12'0 
Tamarind-wood 
31 
Mean ll'l 
Mean 12'1 - 
10-0 
12'0 - 
9-5 
13'0 
10-0 
13'0 - 
10*0 
11'5 
Teak-wood 
31 
Mean 9*9 
Mean 12' 4 
10-5 
12-0 
10-0 
13'5 
10*0 
13'0 
• 11-0 
12'0 
Rose-wood 
31 
Mean 10'4 
Mean 12'6 
10-5 
13'0 
10-5 
12'0 
Mazatlan-wood 
30 
Mean 10'5 
Mean 12'5 
12*5 
12'5 
11-0 
12'0 
12-0 
12'7 
12-0 
12'0 
Satin-wood. 
From St. Domingo... 
30 
Mean 11*9 
Mean 12'3 
9-0 
ll'O 
9-0 
10-5 
lO-O 
ll'O 
9-0 
11'5 
Braziletto. 
From Jamaica 
30 
Mean 9‘2 
Mean ll'O 
10-0 
10'5 
10-C 
11'5 
10-C 
ll'O 
Locust-wood. 
From North America 
. 30 
Mean lOd 
Mean ll'O 
IM 
ll'O 
10-( 
ll'O 
10-( 
) 11'5 
Ruby-wood. 
— 
From Calcutta 
. 30 
Mean 10' 
3 Mean 11 '2 
11- 
0 12'0 
10' 
5 12'0 
10' 
5 ll'O 
Peruvian-wood .... 
. 30 
Mean 10' 
7 Mean 11 '7 
Description of wood. 
I. II. ! Ill- 
Parallel Perpendicular | Perpendicular 
to fibre to fibre and to fibre and 
of wood., parallel to lig-; to ligneous 
neous layers. ' lareis. 
King-wood. 
Called also violet- 
wood, from the Bra- 
zils 
Bladder-nut- wood .. 
Larch 
30 
1 0-0 
10-5 
10-5 
Mean 10'3 
12-0 
12-0 
11-0 
Mean 1D7 
29 
10 - 0 ; 
12-0 
29 
Princes-wood. 
From Jamaica 
Green Heart. 
From Jamaica 
29 
10 - 0 ' 
11-0 
11-0 
10- Oj 
11 - 2 
12 - 0 , 
14-0 
12-0 
14'0 
12-0 
Mean ll'l IMean 13'1 
29 
11-5 13-0 
11 - 5 ' 12-0 
12*5 12-S 
11-2 
12-5 
Mean 11-4 Mean 12-6 
Walnut 
Drooping Ash 
Botany Bay Oak. 
Does not belong to 
the same genus as 
the European... 
Cocoa-wood. 
From the West In- 
dies 
28 
11-0 
13-0 
28 
28 
28 
11-0 
12-0 
10 - 0 ; 
10-0 
10-5! 
9-o: 
13-0 
12-6 
12-2 
12-0 
Mean 9*9 Hean 12'4 
12-0 
12-5| 
12-0 
11 - 2 ! 
13- 0 
14- 0 
13*5 
14-0 
Mean 11 "S' IMean 13‘6 
Madagascar Red- 
wood 
28 
Sandal-wood. 
From Malabar 
28 
11'3 
12'0 
11'2 
12'.i 
10'5 
11-8 
lO'O 
ll'O 
Mean 10'7 
Mean IDS 
ll'O 
12'0 
10-5 
12-5 
9-5 
1D5 
9-0 
ll'O 
Mean lO'O 
Mean 11'7 
