CRYPTOGAMS (Gr. _kruptos_, concealed; _gamos_, marriage). A division
of plants in which the organs of reproduction are obscure and
there are no true flowers.
CTENACANTHUS (Gr. _kteis_, a comb; _akantha_, a thorn). A genus
of fossil fishes, named from its fin-spines.
CTENOID (Gr. _kteis_, a comb; _eidos_, form). Applied to those
scales of fishes the hinder margins of which are fringed with
spines or comb-like projections.
CURSORES (Lat. _curro_, I run). An order of _Aves_, comprising
birds destitute of the power of flight, but formed for running
vigorously (_e.g._, the Ostrich and Emeu).
CUSPIDATE. Furnished with small pointed eminences or "cusps."
CYATHOCRINUS (Gr. _kuathos_, a cup; _krinon_, a lily). A genus
of Crinoids.
CYATHOPHYLLUM (Gr. _kuathos_, a cup; _phullon_, a leaf). A genus
of Rugose Corals.
CYCLOID (Gr. _kuklos_, a circle; _eidos_, form). Applied to those
scales of fishes which have a regularly circular or elliptical
outline with an even margin.
CYCLOPHTHALMUS (Gr. _kuklos_, a circle; _ophthalmos_, eye). A
genus of fossil Scorpions.
CYCLOSTOMI (Gr. _kuklos_, and _stoma_, mouth). Sometimes used
to designate the Hag-fishes and Lampreys, forming the order
_Marsipobranchii_.
CYPRAEA (a name of Venus). The genus of Univalve Molluscs comprising
the Cowries.
CYRTOCERAS (Gr. _kurtos_.
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