NEMATODE PARASITES OF BIRDS 131 



appendix. Vulva small, not salient, situated near the middle of the 

 bod}\ Ovejector (fig. 190) relatively short (779/*), extending an- 

 teriorly, vestibule small (313/*) and heavily chitinized internally, 

 sphincter comparatively long (254/*) and usually containing 3 to 6 

 eggs. Two divergent uteri. Anus 1.156 mm. anterior to tip of tail. 

 Eggs elliptical, thin-shelled, and embryonated when deposited; 51y. 

 long by 45/* wide. 



For the descriptions given for this worm by Gendre, by Seurat 

 and by Gedoelst see Sublura brumptl (p. 112). 



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

 galli (p. 82). 



Distribution. — South America (Brazil, .French Guinea) and 

 Africa (Dahomey, Egypt, Algeria and Tunis). 



SUBULURA TBAVASSOSI Barreto, 1918 



Synonyms. — Ascaris forcipata Rudolphi, part; Heterakls forcl- 

 paria Schneider, 1866, part; Subulura strongylina Railliet and 

 Henry, 1912, part. 



Hosts. — Bucco chacuru, B. collaris, B. macrorhynchus, B. rufiven- 

 tris, B. striolatus, B. swainsoni, B. tamatia, B. tectus, Chelidoptera 

 tenebrosa, Malacoptila torquata, Monacha morpheus, M. nigra, 

 Monusa nigrifrons, Nonnula rubecula. 



Location. — Intestine. 



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

 tions. Lateral alae very narrow (33/* wide), disappearing at the 

 level of the bulb. Buccal cavity 42/* deep. 



Male 3 to 7. 7 mm. long by 230 to 360/* wide. Esophagus 1.03 mm. 

 long, bulb 231/* in diameter. Cloacal aperture 127|U from posterior 

 extremity. Preanal sucker elliptical, 385/x long, 508/a from caudal 

 extremity. Eleven pairs of papillae (figs. 192, 193, and 194), of 

 which 3 are preanal, 2 adanal, and 6 postanal. Spicules equal, 1.71 

 mm. long. Gubernaculum 211/x long. 



Female 6 to 10 mm. long by 400 to 410/* wide. Esophagus 1.16 mm. 

 long; bulb 254//. in diameter. Vulva not salient, a little anterior to 

 middle of body. Ovejector (fig. 191) relatively short (771,u) ; vesti- 

 bule 406/i, sphincter 169/x, trompe 296/*. long. Two uteri, divergent. 

 Eggs elliptical, 77/* long by 58/* wide, embryonated when deposited. 



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

 galli (p. 82). 



Distribution.— -South America (Brazil). 



SUBULURA TROGONI Barreto, 1918 



Host. — Trogon viridis. 

 Location. — Intestine. 



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

 Lateral alae extend from head to initial part of intestine, a length 



