oe ete a = ‘ 
id 
iy 
* 
if 
, 
. Brachyura ; Higher Brachyura ;—is the series in Crustacea 
i s: Heptiles : Quadrupeds: Man ;—is the series 
Vertebrates, 
Natural History of the United States. 209 
- Molluses and Radiates, if not also to salt-water Vertebrates 
(Fishes). The great Branches of the animal kingdom thus begin 
in the inferior or salt-water species; and any obliterated records 
its end in man, and that it admits of proof on anatomical evi- 
dence that man is the last term in the series; that upon the 
fact from the simple progression of form among Vertebrates from 
the fish onward ;—for there is first the horizontal or prone posi- 
n of the nervous cord with which the series begins,—then the 
shown to be illustrated through the whole range of geological 
which series is understood, may be easily followed by the mind 
towards its limits, Of this nature are the facts in geology. The 
Searveeds :aFerns and Conifere :. Angiosperms and Palms ;—~ 
Such is a brief statement of the series in the plant kingdom. 
niomostraca : Tetradecapod, Anomoura, Macrowra: Lower 
2. 
among 
he same general idea is illustrated among all the great groups. 
‘om 
wa facts, instead of favoring the idea of discovering — 
ately in the Carboniferous, renders its probability almost infi- 
: lL For if such a b : 
~ 8€&number, then strata like the Coal Measures, abounding 
— SERIES, VOL. XXV, NO. 74:-—MARCH, 1858. 
27 
