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genus Stenoderma, native of the West Indies and South America. These bats have a short or rudimentary tail and a peculiarly shaped nose membrane.

A group of small insects having the anterior wings rudimentary, and in the form of short and slender twisted appendages, while the posterior ones are large and membranous. They are parasitic in the larval state on bees, wasps, and the like; -- called also Rhipiptera. See Illust. under Rhipipter.

by a fold of the mantle. When there is a shell, it is usually thin and delicate and often rudimentary. The aplysias and the bubble shells are examples.

A division of Coleoptera having, apparently, only four tarsal joints, one joint being rudimentary.

The Thallophyta exist almost exclusively as gametophytes, the sporophyte being absent or rudimentary. By those who do not separate the Myxophyta from the Tallophyta as a distinct phylum the latter is treated as the lowermost group in the vegetable kingdom.

ower part of the throat. It is largest in fetal and early life, and disappears or becomes rudimentary in the adult.

to the Hemiptera. They are all of small size, and have narrow, broadly fringed wings with rudimentary nervures. Most of the species feed upon the juices of plants, and some, as those which attack grain, are very injurious to crops. Called also Physopoda. See Thrips.

ich come forth in winter, as the European species (Cheimatobia brumata). These moths have rudimentary mouth organs, and eat no food in the imago state. The female of some of the species is wingless. -- Winter oil, oil prepared so as not to solidify in moderately cold weather. -- Winter pear, a kind of pear that keeps…

blind mole rat (Spalax typhlus), native of Eastern Europe and Asia. Its eyes and ears are rudimentary, and its fur is soft and brownish, more or less tinged with gray. It constructs extensive burrows.