196 J. W. Dawson—Mobius on Kozoon Canadense. 
of hydrogen, and one of oxygen, just as the “ molecular vol- 
ume,” in the received chemical theory, contains these atoms. 
If we somedeeib this general conception of chemical 
tions suppose to be in some frsalcase way effected by 
offered for a sep ep boca of chemical arith iroi 
Yale College, Oct. 25, 1878. 
Art. XXII. ne on Hozoon Canadense ;* by J. W. 
Dawson, LL.D., F.R.S. 
fac very Gorouly investigated and , and at som 
its organic ese is generally dcienitiods "Still its claims are 
ver and anon dispute , and as fast as one opponent is pe om 
upon it with suspicion, partly on pees: of the great age and 
crystalline structure of the rocks in which it —— rtly be- 
cause it is associated with the protestn: sa eke mineral 
— Leers some regard as eruptiv e as metamor- 
tions as to prove their contemporaneous deposition, and those 
which may have resulted from the sheaveninas of, pce or 
Der Bau des Eozoon — von Karl Mobius, Professor der Zoologie in 
Kiel. Palzontographica, Band 
