Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 352 NEMATHELMINTHES. Fam. Strongylidae. The male genital opening is placed at the hinder end of the body, at the bottom of an umbrella- or bell-shaped bursa. the margin of which is furnished with a varying number of papillae. Eustrongylus Dies. With six projecting oral papillae, and a row of papillae on either lateral line. The bursa is bell-shaped and completely closed, with regular muscular walls and numerous marginal papillae. There is only one spiculum. The female genital opening is
Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 352 NEMATHELMINTHES. Fam. Strongylidae. The male genital opening is placed at the hinder end of the body, at the bottom of an umbrella- or bell-shaped bursa. the margin of which is furnished with a varying number of papillae. Eustrongylus Dies. With six projecting oral papillae, and a row of papillae on either lateral line. The bursa is bell-shaped and completely closed, with regular muscular walls and numerous marginal papillae. There is only one spiculum. The female genital opening is far forward. The larvae live encysted in fishes. (Filaria cystica from Symbra/nchus). E. gigax Rud., the body of the female is three feet in length, and only twelve mm. thick. It lives singly in the pelvis of the kidney of the Seal and Otter, and very rarely in Man. Strongylus Rud. With six oral papillae and small mouth. Two conical cervical papillae upon the lateral lines. The pos- terior end of the male has an umbrella-like incom- pletely closed bursa. Two equal spicula, usually with unpaired supporting organ. The female sexual opening is sometimes approached to the posterior end of the body. They live for the most part in the lungs and bronchial tubes. St. longevaginatus Dies. Body 26 mm. long, 5 to 7 mm. thick. The female sexual opening lies directly in front of the anus, and leads into a simple ovarian tube. Only once found in the lung of a six-year old boy, in Klausen- burg. St. parado-ms Mehlis, in the bronchial tubes of the pig. Rud., in the bronchial tubes of the sheep. St. fonnnutntus Dies., in the trachea and bronchial tubes of the hare and rabbit. Xt. aiiricidarix Rud., in the small intestine of BatracJiia. Dtichmius Duj. With wide mouth and horny oral capsule, the edge of which is strongly toothed. Two ventrally placed teeth project at the bottom of the oral capsule, while on the dorsal wall a conical spine projects obliquely forwards. D. duoclcnalix Du
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