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"Section C"

They breathe by
means of gills variously attached to some of the limbs or to the
sides the body, according to the group. They are divisible into
two subclasses, Entomostraca and Malacostraca, each of which
includes several orders.


Crus*ta"cean (kr?s-t?"shan; 97),
a. (Zoöl.) Of or pertaining to
the Crustacea; crustaceous.
-- n. An
animal belonging to the class Crustacea.


Crus*ta`ce*o*log"ic*al (-sh?-?-l?j"?-kal),
a. Pertaining to crustaceology.


Crus*ta`ce*ol"o*gist (-?ll"?-j?st),
n. One versed in crustaceology; a
crustalogist.


Crus*ta`ce*ol"o*gy (-j?), n.
[Crustacea + -logy.] That branch of
Zoölogy which treats of the Crustacea; malacostracology;
carcinology.


Crus*ta"ceous (kr?s-t?"sh?s; 97),
a. [NL. crustaceous. See
crustacea.] 1. Pertaining to, or of
the nature of, crust or shell; having a crustlike
shell.


2. (Zoöl.) Belonging to the
Crustacea; crustacean.


Crus*ta"ceous*ness, n. The
state or quality of being crustaceous or having a crustlike
shell.


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