blood cells.

Correlate: to bring together into relation or correspondence.

Correlated: derived from the same ancestral form: said of two or more
features or qualities which bear a direct or an inverse relation to each
other, but without implying a relation of cause and effect.

Correlative: of a correlated nature; see correlated.

Corrode: to eat away gradually, as by rust or decay.

Corrodentia: an ordinal term meaning gnawers: net-veined or
wingless: mandibulate, mouth formed for gnawing; transformation
incomplete; thorax incompletely agglutinated: = Psocoptera: includes
Termitidae, Psocidae and Mallophaga. {Scanner's comment: These
four groups are now placed in totally separate orders, and not
families as these names imply}

Corrugated: wrinkled; with alternate ridges and channels.

Corselet: the thorax in Coleoptera.

Cortical: relating to the cortex or outer skin.

Corticinus: bark-like in sculpture, texture or color [vandyke brown].

Corvinus: crow-black; deep, shining black with a greenish lustre.

Coryphatus: = capillatus.

Corysterium: an abdominal glandular structure in certain females,
secreting a glutinous covering for the eggs.

Cosmopolitan: species that occur throughout most of the world.

Cosmotropical: species that occur throughout the tropics.

Costa: any elevated ridge that is rounded at its crest: the thickened
anterior margin of any wing, but usually the primaries: in Comstock,
the vein extending along the anterior margin of the wing from base to
the point of junction with subcosta.

Costal area: the area behind costal vein; see also, costal field.

Costal cell: the area inclosed between the costal and sub-costal veins:
in the plural, Comstock, are all the cells anteriorly margined by the
costa; in Hymenoptera (Norton), includes the 1st, 2d and sub-costal;
of Packard, the 3d costal = 2d radial 1, and radial 2: in Diptera (Will.),
it is the 2d costal.

Costal field: Orthoptera; that region of the tegmina adjacent to the
anterior margin or costa: = anterior field.

Costal fold: in the males of some Hesperidae, a membranous flap that
may be opened to expose the androconia.

Costal margin: the anterior margin of a wing whether it is really
costate or not.

Costal membrane: Hymenoptera; the surface of wing in front of costal
vein.

Costal vein: Lepidoptera; runs close to and parallel with the costal
margin, extending from base to the margin before the apex; always
simple a