Strongylidæ (stronjilide)

pl. [NL., nematoid worms, typified by the genus Strongyl us, and containing about 10 other genera. They are formidable parasites, sometimes attaining a length of 3 feet, though usually much smaller than this. They are cylindrical, and more or le elongated and filiform; the mouth is oval, circular, or triangular, and armed or unarmed; and the tail of the male is furnished with a bursa or pouch, or a pair of membranous lobes, and usually a pair of protruding spicules. The female is commonly larger than the male. Strongyl us bronchial is is the lung-strongle of man: the female is an inch long, the male half that size. S. armatus infests the horse: S. micrurus and S. contort us are found in ruminants, as cattle and sheep. Eustrongylus gigas is the giant strongyle of the kidney, the largest known endoparasite of this kind, the male being about a foot long, the female a yard or more. Strongyl us quad rident at us or Sclerostoma, duodenale infests the human intestine, and a similar strongyle, Syngamus tracheal is, causes the gapes in poultry, occurring in great numbers in the air-pa ages. Strongylocentrotus (str on"ji-lo-sen-trō'tus), [NL. (Brandt), n. IMG:content-2299.png:[blocks in formation] sharp bicule strongyloxea (str on-ji-lok'sē-ä), n.; pl. strongy loxeæ (-6). [NL., gyloxea. Sollas. [As