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eye, the so-called pineal eye, and in other animals it is supposed to be the remnant of a dorsal median eye.

One of the ventral processes of a vertebra, or the dorsal element in each half of a hemal arch, forming, or corresponding to, a vertebral rib. -- Pleu*rap`o*phys"i*al, a. Owen.

At or toward the caudal extremity; caudal; -- in human anatomy often used for dorsal.

The hindermost dorsal piece of a thoracic somite of an insect; the plate behind the scutellum.

bra wolf, under Zebra. -- Pouched frog (Zoöl.), the nototrema, the female of which has a dorsal pouch in which the eggs are hatched, and in which the young pass through their brief tadpole stage. -- Pouched gopher, or Pouched rat. (Zoöl.) See Pocket gopher, under Pocket. -- Pouched mouse. (Zoöl.) See Pocket mouse, u…

Situated immediately in front of the loins;- applied to the dorsal part of the abdomen.

The first of the four pieces composing the dorsal part, or tergum, of a thoracic segment of an insect. It is usually small and inconspicuous.

A division of Crocodilia, including the true crocodiles and alligators, in which the dorsal vertebræ are concave in front.

The dorsal plate of the prothorax in insects. See Illust. of Coleoptera.

An internal dorsal chitinous process between the first two divisions of the thorax of insects.

Of or pertaining to, or designating, a bone between the proötic and epiotic in the dorsal and outer part of the periotic capsule of many fishes. -- n.

of similar parts. Quadrigeminal bodies (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.

numerous species of rays of the family Trygonidæ having one or more large, sharp, barbed dorsal spines on the whiplike tail. Called also stingaree.

like a rope; -- applied especially to several ropelike bundles or masses of fibers on the dorsal side of the medulla oblongata.

often transversely furrowed or plicate, and are regarded as olfactory organs. Called also dorsal tentacles. See Illust. under Pygobranchia, and Opisthobranchia.

e North Atlantic whalebone whale (Physalus antiquorum, or Balænoptera physalus). It has a dorsal fin, and strong longitudinal folds on the throat and belly. Called also razorback.

(Leuciscus erythrophthalmus). It is about the size and shape of the roach, but it has the dorsal fin farther back, a stouter body, and red irises. Called also redeye, roud, finscale, and shallow. A blue variety is called azurine, or blue roach.

One of the two dorsal tubular organs on the hinder part of the abdomen of aphids. They give exit to the honeydew. See Illust. under Aphis.

r hard, coal. -- Soft crab (Zoöl.), any crab which has recently shed its shell. -- Soft dorsal (Zoöl.), the posterior part of the dorsal fin of fishes when supported by soft rays. -- Soft grass. (Bot.) See Velvet grass. -- Soft money, paper money, as distinguished from coin, or hard money. [Colloq. U.S.] -- Soft mu…

nlight or other intense light. -- Solar plexus (Anat.), a nervous plexus situated in the dorsal and anterior part of the abdomen, consisting of several sympathetic ganglia with connecting and radiating nerve fibers; -- so called in allusion to the radiating nerve fibers. -- Solar spots. See Sun spots, under Sun. --…