stratigraphy (stratigrafi)

[ a layer, Gr. -γραφία, γράφειν, write.] In geol., order and position of the stratified group all that part of geological science which is not specially theoretical or paleontological; ; gen eral descriptive geology. Stratiomyia (strati-o-mi'i-a), n. [NL. (Macquart, 1838), orig. Stratiomys (Geoffroy, 1764), also Stratiomya (Schiner, 1868), Stratyomis (Schelling, 1803), Stratyomys (J. E. Gray, 1832); irreg. of dark color with light spots or stripes. The larvæ live in mud or damp sand, and the flies are found upon umbelliferous and other flowers growing near water. About 40 species are known in North America, and about 20 in Europe. They are sometimes called chameleon - flies, from the one och Strati on Stratiomyidæ (str at"i-ō-mi'i-dē), n. pl. [NL. (Leach, 1819, as Stratiomydæ ), or convex abdomen, and tibiæ usually without spurs. They are mostly flower-flies, and are often found upon vegetation in damp places.