Part 4

Ich*nos"co*py (?), n. [Gr. 'i`chnos footstep + -scopy.] The search for the traces of anything. [R.]

I"chor (?), n. [NL., fr. Gr. &?;: cf. F. ichor.] 1. (Class. Myth.) An ethereal fluid that supplied the place of blood in the veins of the gods.

2. A thin, acrid, watery discharge from an ulcer, wound, etc.

||I`chor*hæ"mi*a (?), n. [NL., fr. Gr. &?; ichor + &?; blood.] (Med.) ||Infection of the blood with ichorous or putrid substances. || I"chor*ous (?), a. [Cf. F. ichoreux.] Of or like ichor; thin; watery; serous; sanious.

Ich"thi*din (?), n. (Physiol. Chem.) A substance from the egg yolk of osseous fishes.

Ich"thin (?), n. [Gr. 'ichqy`s fish.] (Physiol. Chem.) A nitrogenous substance resembling vitellin, present in the egg yolk of cartilaginous fishes.

Ich"thu*lin (?), n. (Physiol. Chem.) A substance from the yolk of salmon's eggs.

Ich"thus (?), n. [Gr. 'ichqy`s.] In early Christian and eccesiastical art, an emblematic fish, or the Greek word for fish, which combined the initials of the Greek words Ihsoy^s, Christo`s, Qeoy^ Gio`s Swth`r, Jesus, Christ, Son of God, Savior.

Ich"thy*ic (?), a. [Gr. 'ichqy`s, -y`os, a fish.] (Zoöl.) Like, or pertaining to, fishes.

{ Ich"thy*o*col (?), Ich`thy*o*col"la (?), } n. [L. ichthyocolla, Gr. &?;; 'ichqy`s, -y`os, a fish + &?; glue: cf. F. ichthyocolle.] Fish glue; isinglass; a glue prepared from the sounds of certain fishes.

Ich`thy*o*cop"ro*lite (?), n. [Gr. 'ichqy`s, -y`os, a fish + E. coprolite.] (Geol.) Fossil dung of fishes.

Ich`thy*o*dor"u*lite (?), n. [Gr. 'ichqy`s, -y`os, a fish + &?; a spear + - lite.] (Zoöl.) One of the spiny plates found on the back and tail of certain skates.

Ich`thy*og"ra*phy (?), n. [Gr. 'ichqy`s, -y`os + graphy: cf. F. ichthyographie.] A treatise on fishes.

{ Ich"thy*oid (?), Ich`thy*oid"al (?), } a. [Gr. &?;: 'ichqy`s, -y`os, a fish + &?; form.] (Zoöl.) Somewhat like a fish; having some of the characteristics of fishes; -- said of some amphibians.

Ich`thy*ol"a*try (?), n. [Gr. 'ichqy`s, -y`os, a fish + &?; to worship.] Worship of fishes, or of fish-shaped idols. Layard.

Ich"thy*o*lite (?), n. [Gr. 'ichqy`s, -y`os, a fish + -lite.] (Paleon.) A fossil fish, or fragment of a fish.

{ Ich`thy*o*log"ic (?), Ich`thy*o*log"ic*al (?), } a. [Cf. F. ichthyologique.] Of or pertaining to ichthyology.

Ich`thy*ol"o*gist (?), n. [Cf. F. ichthyologiste.] One versed in, or who studies, ichthyology.

Ich`thy*ol"o*gy (?), n. [Gr. 'ichqy`s, -y`os, a fish + -logy: cf. F. ichthyologie.] The natural history of fishes; that branch of zoölogy which relates to fishes, including their structure, classification, and habits.

Ich"thy*o*man`cy (?), n. [Gr. 'ichqy`s, -y`os, a fish + -mancy: cf. F. ichthyomancie.] Divination by the heads or the entrails of fishes.

||Ich`thy*o*mor"pha (?), n. pl. [NL., fr. Gr. &?; fish-shaped; ||'ichqy`s, -y`os, a fish + &?; form.] (Zoöl.) The Urodela. || { Ich`thy*o*mor"phic (?), Ich`thy*o*mor"phous (?), } a. [See Ichthyomorpha.] Fish- shaped; as, the ichthyomorphic idols of ancient Assyria.

Ich`thy*oph"a*gist (?), n. [See Ichthyophagous.] One who eats, or subsists on, fish.

Ich`thy*oph"a*gous (?), a. [L. ichthyophagus, Gr. &?;; 'ichqy`s, -y`os, a fish + &?; to eat.] Eating, or subsisting on, fish.

Ich`thy*oph"a*gy (?), n. [Gr. 'ichqyofagi`a: cf. F. ichthyophagie.] The practice of eating, or living upon, fish.

Ich`thy*oph*thal"mite (?), n. [Gr. 'ichqy`s, -y`os, a fish + &?; eye.] See Apophyllite. [R.]

||Ich`thy*oph*thi"ra (?), n. pl. [NL., fr. Gr. 'ichqy`s, -y`os, a fish ||+ &?; a louse.] (Zoöl.) A division of copepod crustaceans, including ||numerous species parasitic on fishes. || ||Ich`thy*op"si*da (?), n. pl. [NL., fr. Gr. 'ichqy`s, -y`os, a fish + ||&?; appearance.] (Zoöl.) A grand division of the Vertebrata, ||including the Amphibia and Fishes. || ||Ich`thy*op`te*ryg"i*a (?), n. pl. [NL. See Ichthyopterygium.] ||(Paleon.) See Ichthyosauria. || ||Ich`thy*op`te*ryg"i*um (?), n. [NL., fr. Gr. 'ichqy`s, -y`os, a fish ||+ &?; a fin.] (Anat.) The typical limb, or lateral fin, of fishes. || ||Ich`thy*or"nis (?), n. [NL., fr. Gr. 'ichqy`s, -y`os, a fish + &?; ||bird.] (Paleon.) An extinct genus of toothed birds found in the ||American Cretaceous formation. It is remarkable for having biconcave ||vertebræ, and sharp, conical teeth set in sockets. Its wings were ||well developed. It is the type of the order Odontotormæ. || Ich"thy*o*saur (?), n. [Cf. F. ichthyosaure.] (Paleon.) One of the Ichthyosaura.

||Ich`thy*o*sau"ri*a (?), n. pl. [NL. See Ichthyosaurus.] (Paleon.) An ||extinct order of marine reptiles, including Ichthyosaurus and allied ||forms; -- called also Ichthyopterygia. They have not been found later ||than the Cretaceous period. || Ich`thy*o*sau"ri*an (?), a. (Paleon.) Of or pertaining to the Ichthyosauria. -- n. One of the Ichthyosauria.

||Ich`thy*o*sau"rus (?), n.; pl. Ichthyosauri (#). [NL., fr. Gr. ||'ichqy`s, -y`os, a fish + say^ros a lizard.] (Paleon.) An extinct ||genus of marine reptiles; - - so named from their short, biconcave ||vertebræ, resembling those of fishes. Several species, varying in ||length from ten to thirty feet, are known from the Liassic, Oölitic, ||and Cretaceous formations. || ||Ich`thy*o"sis (?), n. [NL., fr. Gr. 'ichqy`s fish.] (Med.) A disease ||in which the skin is thick, rough, and scaly; -- called also ||fishskin. -- Ich`thy*ot"ic (#), a. || Ich`thy*ot"o*mist (?), n. One skilled in ichthyotomy.