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ive division of pectinibranchiate gastropods, including those that have a long retractile proboscis, with the mouth at the end, as the cones, whelks, tritons, and cowries. See Illust. of Gastropoda, and of Winkle.

Having the form or uses of a proboscis; as, a proboscidiform mouth.

The proboscis of hemipterous insects. See Illust. under Hemiptera.

One of the retractor muscles of the proboscis of certain worms.

A division of marine gastropods having a retractile proboscis and three longitudinal rows of teeth on the radula. It includes many of the large ornamental shells, as the miters, murices, olives, purpuras, volutes, and whelks. See Illust. in Append.

A suborder of leeches including those that have a protractile proboscis, without jaws. Clepsine is the type.

is remarkable for the prolongation of the nose of the adult male into an erectile elastic proboscis, about a foot in length. Another species of smaller size (M. angustirostris) occurs on the coast of Lower California, but is now nearly extinct.

), a wingless parasitic insect (Melophagus ovinus) belonging to the Diptera. It fixes its proboscis in the skin of the sheep and sucks the blood, leaving a swelling. Called also sheep pest, and sheep louse. -- Sheep walk, a pasture for sheep; a sheep run. -- Wild sheep. (Zoöl.) See Argali, Mouflon, and Oörial.…

The sucking proboscis of certain parasitic insects and crustaceans.

inants found in the Tertiary formation of India. The snout was prolonged in the form of a proboscis. The male had four horns, the posterior pair being large and branched. It was allied to the antelopes, but very much larger than any exsisting species.

A division of dipterous insects in which the proboscis is large and contains lancelike mandibles and maxillæ. The horseflies and robber flies are examples.

The proboscis of a moth or a butterfly.

The proboscis of an elephant.