NEMATODE PARASITES OF BIRDS 



129 



Hosts. — CapHmulgus aegyptius saharae and 0. rup'coWs. Other 

 reports, at least part of which are probably confused with other 

 species, are: Antrostomus vocifo'us, CapHmulgus candicans, C. 

 cortopan, C. diumis, C. europaeus, C. gwiatiensis, 0. mercurvus, 0. 

 natfereri, 0. scaphiuris, C. semitorquaius, C. trifurcus, Chordeiles 

 semitorquatus, Cuculus cay arms, C. melacoryphus, V. naevius, C. 

 tinguazu, Nyctihius aetherem, N. grandis. 



Location. — Intestine. 



Morphology. — Subulura (p. 104) : Body equally slender through- 

 out; head not distinct, without lips or lateral alae. Valves small and 

 inconspicuous. 



Male, according; to the original description, 16 to 18 nun. long; 

 according to Seurat, 7.5 mm. long. Tail slender, without caudal 



Figs. 186-190. — 186, Subulura similis. Male tail. After Gendre, 1909. 

 187, Subulura strongylina. Male tail. After Teavassos, 1913. 188, 

 Subulura suctokia. Male tail. 189, Head, front view. Figs. 188-189 

 from Barreto, 1918 after Drasche, 1882. 190, Ovejector. After 

 Barreto, 1918 



alae. Cloacal aperture 220/x from posterior extremity (in Seurat 's 

 specimens). Preanal sucker elliptical, elongate. Ten pairs of 

 papillae, the first (that is, most posterior) 3 pairs united by short 

 cuticular alae; 3 pairs of papillae are adanal; the most anterior pair 

 of papillae is at level of sucker. Spicules unequal, 1.2 and 1.8 mm. 

 long. Gubernaculum triangular, 110/x, long. 



Female, according to the original description, 22 to 22.5 mm. long: 

 according to Seurat, 12 mm. long by 310pi wide. Esophagus, includ- 

 ing bulb, 1/8, tail 1/16 of total body length; tail conical, ending in a 

 fine point. Vulva conspicuous, slightly salient, situated anterior to 

 middle of body, 4.3 mm. from head end in Seurat's specimens. Ove- 

 jector with very short sphincter. Eggs 85ja long by 56/i wide. 



