NEMATODE PARASITES OF BIRDS 



117 



SUBULURA HALLI Barreto, 1918 



Synonym. — Subulura forcipata Seurat, 1914, in part. 



Host. — Otis tetrax. 



Location. — Ceca . 



Morphology. — SubvZura (p. 104) : Pharyngeal teeth (fig. 168c) 

 cuneiform, their free ends pointed. 



Male 10.5 to 12 mm. long by 540/x wide. Esophagus, including 

 bulb, 1/6.5 of total length. Tail (fig. 168a) slender, ending in a long 

 fine point. Cloacal aperture 500/x from posterior end. Caudal alae 

 narrow. Eleven pairs of pedunculated papillae, 5 of which are 



5W 



Pigs. 167-168. — 167, Subuluba gallopeudicis. Malk tail. After Baylis and Daubnut 

 1922. 168, Subulura halli. a, Male tail; b, ovejector ; c, buccal cavity. Afteb 

 Seurat, 1914 



preanal. Sucker far anterior (700^) of cloacal aperture. Spicules 

 equal, very long (1.5 mm.) with an alate expansion toward the free 

 end. Gubernaculum 120/* long. 



Female 13.4 mm. long by 600/x wide. Esophagus, including bulb, 

 1/7.5 of total length. Tail long and slender, 1/8.5 of the total length. 

 Vulva anterior to middle of body, at % of its length. Ovejector 

 (fig. 168 b) with remarkably short sphincter. Eggs 80/a long by 

 60.U wide. 



Life history. — Unknown; probably similar to that of Ascaridia 

 galli (p. 82). 



Distribution. — Africa (Algeria (Maison-Carree) ). 



