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Formed by strata dipping toward a common line or plane; as, a synclinal trough or valley; a synclinal fold; -- opposed to anticlinal.

Any one of numerous species of dipterous flies of the genus Syrphus and allied genera. They are usually bright-colored, with yellow bands, and hover around plants. The larvæ feed upon plant lice, and are, therefore, very beneficial to agriculture.

Any one of numerous species of Diptera belonging to Tachina and allied genera. Their larvæ are external parasites of other insects.

A Mexican dish made of crushed maize mixed with minced meat, seasoned with red pepper, dipped in oil, and steamed.

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

A plant of the genus Dipsacus, of which one species (D. fullonum) bears a large flower head covered with stiff, prickly, hooked bracts. This flower head, when dried, is used for raising a nap on woolen cloth.

tten upon specific or definite theme; especially, an essay presented by a candidate for a diploma or degree. I told them of the grave, becoming, and sublime deportment they should assume upon this mystical occasion, and read them two homilies and a thesis of my own composing, to prepare them. Goldsmith.…

the tits, but resembling thrushes in size and habits. -- Water thrush. (a) The European dipper. (b) An American warbler (Seiurus Noveboracensis).

Any one of several species of dipterous insects having a flattened and usually wingless body, as the bird ticks (see under Bird) and sheep tick (see under Sheep). Tick bean, a small bean used for feeding horses and other animals. -- Tick trefoil (Bot.), a name given to many plants of the leguminous genus Desmodium, wh…

Any one of many species of long-legged dipterous insects belonging to Tipula and allied genera. They have long and slender bodies. See Crane fly, under Crane.

omatic series, and produced artificially as a white crystalline substance; -- called also diphenyl acetylene.

d made with tone unmixed and undimmed by obstruction, such sounds, namely, the vowels and diphthongs, being so called by Dr. James Rush (1833) " from their forming the purest and most plastic material of intonation."

The seed of a leguminous tree (Dipteryx odorata), native of Guiana. It has a peculiarly agreeable smell, and is employed in the scenting of snuff. Called also tiononquin bean. [Written also tonca bean, tonga bean.]

The common mullein, the stalks of which, dipped in suet, anciently served for torches. Called also torch, and hig-taper.

y the dry distillation of tropine with quicklime. It is regarded as being homologous with dipropargyl.

Same as Diphase, Diphaser.

A large East Indian nocturnal tree snake (Dipsas dendrophila). It is not venomous.

ally, the final propositions, conditions, or terms, offered by either of the parties in a diplomatic negotiation; the most favorable terms a negotiator can offer, the rejection of which usually puts an end to the hesitation.

thern constellations. It is situated near the pole, and contains the stars which form the Dipper, or Charles's Wain, two of which are the Pointers, or stars which point towards the North Star. -- Ursa Minor Etym: [L.], the Little Bear, the constellation nearest the north pole. It contains the north star, or polestar,…

r more species of South American blood- sucking bats belonging to the genera Desmodus and Diphylla. These bats are destitute of molar teeth, but have strong, sharp cutting incisors with which they make punctured wounds from which they suck the blood of horses, cattle, and other animals, as well as man, chiefly during s…