NEMATODE PARASITES OF BIRDS 



121 



vestibule short; trompe remarkably long (up to 5 mm.). Uteri par- 

 allel. Eggs 50V l° n £ by 40/* wide, embryonated. 



Life history. — Unknown; probably similar to that of Ascaridin, 

 galli (p. 82). 



Distribution. — Africa (Algeria (Bou-Saada) ). 



SUBULURA OLYMPIOI Barreto. 1918 



Hosts. — Crypturus parvirostris, Nothura maculosa, Rhynchotus 

 mf esc ens. 



Location. — Intestine. 



Morphology. — Subulura (p. 104) : Cuticle with transverse stria- 

 tions. Lateral alae extend to point a little posterior to the bulb. 



FiGS. 176-177. — Subulura oi.ymi'ioi. 176, Male tail, a, Ventral view; l>, 



LATERAL VIEW. 177, OvEJECTOR. AFTER BARRETO, 1918 



Mouth with 6 papillae in 2 lateral series. Buccal cavity narrow. 

 Three teeth at entrance to esophagus; bulb spherical. 



Male 5 to 8.4 mm. long by 411/* wide. Buccal cavity 41/* deep, 29/* 

 wide. Esophagus 899/* long. Caudal alae (fig. 176) poorly devel- 

 oped; cloacal aperture 228/* from posterior end. Preanal sucker 

 elliptical, without chitinous ring, 84/* long by 33/* wide, its posterior 

 end 4G5/* from caudal extremity. Eleven pairs of papillae, of which 

 3 are preanal, 2 adanal, and G postanal. Spicules equal, strongly 

 chitinized, 899/t long by 16/* wide. Gubernaculum 127/* long. 



Female 7.7 to 15.6 mm. long by 462/* wide. Buccal cavity 67/* deep 

 by 33/i wide. Esophagus 1.13 mm. long. Anus 976/* from posterior 

 end. Vulva small, not salient, situated a little anterior to middle of 

 body. Ovejector (fig. 177) short (693/*) ; vestibule 211/* long; sphinc- 

 ter 127/t long; trompe short (338/t). Two uteri, with many circum- 

 volutions. Eggs elliptical, 67/* long by 50/* wide. 



