1 to 
COL 
COM 
An account of a new die from the berries 
weed in South Carolina 
of 
between the fpecific 
metals and their colours, 
as well as thofe of their 
gravities 
of the 
other proportions 
An account of rings confining of all the 
made colours made by eleXdcal explofio 
the furfaces of pieces of metal Pr 
A letter on his new phofpborus receiving 
ral colours, and only emitting the fame Be, 
A letter giving fome account of the roots 
by the Indians in the neighbourhood of . 
fon’s Bay, to dye porcupine quills 
Experiments on dying black 
Experiments on a new colouring fubflance 
the ifland of Amfterdam, in the South 
Colour (Natural philofophy). Letter 
new theory of light and colours 
— Extracts of feveral letters 
the 
edge 
ous to the inner 
at Petworth - Langu 
Another letter, with fome reflexions on 
fame fubjeX - Pembe) 
An account of perfons who could not difl 
guifh colours - Huda 
— See Light . 
Colt. Obfervations upon amonftrous head of a c 
B 
Cobra de Cabelas Pietra de. See Serpent-Jlone . 
Coluber Cerastes. A letter on the coluber ce- 
raftes, or horned viper of Egypt Elli 
Columns. An account of two giants caufways, o: 
groups of prifmatic bafaltine co'umns, anc 
other curious volcanic concretions, in the Ve- 
netian flate in Italy ; with fome remarks or 
the charaXers of thofe and other flmilar bo- 
dies, and of the phyfleal geography of th< 
countries in which they are found Strang \ 
An account of a curious Giants Caufway, oi 
group of angular columns, newly difcoverec 
in the Euganean Hills, near Padua in Irabj 
- Strang < 
Combinations. The doXrine of combinations anc 
] Tranf. 
a 
Abridg. | 
lo LIII 238 
it 
d 
b 
1} LV 10 
n 
7 LVIII68 
a LXI 212 
d 
r LXII 54 
g LXIV 48 
n 
,s 
r e LXV g 1 
s 
» VI 3075 
I 128 
V 
b XXXII 241 
e 
VI 122 
* — 2 45 
— 123 
- LXVI1 
/ p. 1. f. 260 
t 
* I 85 
* LVI287 
r 
1 
1 
; lxv 5 
r 
1 
1 
e • — 418 
^ 1 
Iternations 
a 
