Gorham’s Elements of Chemistry. 337 
all those precursors which are —— to announce so im- 
portant a body, and then we may begin upon its history 
with the commanding advantage, of being freed from the ne- 
er of anticipating, and of being always pany intel- 
igibl 
It was one of the great charms of Dr. Black’s mode of 
instruction, that he carried his pupils forward in their course, 
with an ascent so gentle, that they scarcely perceived that 
they were rN tll ~~ learned it from the constantly 
increasing extent of the hor 
We are aware that jit is ete the supposed analogy with 
oxigen along which induces the — mention of chlorine ; 
are allured, by the imposing extension 
of the analogy sos to include f busti 
namely, oxigen, chlorine, iodine, and fluorine. Of the last 
we have euch remarked: that its very existence is ex- 
2 - tay Mae i i - nature is if possible still more 
e with iodine; this is a well es- 
tablished and well bhatniecinte body—but except the at- 
traction, to the positive pole in the voltaic arrangements, 
which property it enjoys in common with oxigen and chlo- 
rine, what peculiar claim has it to be ranked asa —— 
iss irayy ca 
ie. ee LL. ~ 
om| oi diiag steeper ike , in 
the case roe pelnieiain 6 can map « be considered as giving 
— a — to bess along with: oxigen a and chlorine to the for= 
body is so peculiar in the tout eatin of its prepertitd; 
that it appears at present better to give it a niche by itself 
whenever it may appear most convenient ; but we are dis- 
posed so:think that i ought not to mere seers ea 
» As to” iesiewer tt didaales scucit Aabecneuisethe 
MAE ar oo traced into all its ramifica- 
,and di 
all 
occupy a volume. — We anata sense meee bee 
¢ 
aNOPLe Hew Views, dil 
r Mages ci 
