The Shipley Collection of Scientific Papers, Volumen287

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1927
 

Términos y frases comunes

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Página 1 - ... throughout the text the hosts are listed as previously reported. Class NEMATODA . Class diagnosis. — Body limited by a cutinous (chitinous) cuticle which may be either plain, striate, or ornamented with markings which may be simple or elaborate. A simple, complete digestive system in typical forms, consisting of a terminal mouth at the anterior end of the body, followed by an esophagus, and this in turn by an intestine which terminates in an anus in the posterior portion of the body. The intestine...
Página 115 - PORROCAECUM Railliet and Henry, 1912 Synonym. — Terranova Leiper and Atkinson, 1914. Generic diagnosis. — Anasakinae (p. 135) : Esophagus with anterior muscular portion and posterior ventriculus of oblong shape, the latter short in the genotype but in other species frequently long and bent at an angle so as to open into the intestine laterally. Intestinal cecum present. Esophageal appendix absent. Interlabia present, usually small. Dentigerous ridges usually present.
Página 185 - Cordons form a loop directly after their origin on the head; cordons not flat against body but applied to margin of plates or alae; lateral alae present on body Cosmocephalus, p.

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