122 BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



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

 galli (p. 82). 



Distribution. — South America (Brazil). 



SUBULURA PAPILLOSA (Molin, 1860) Railliet and Henry. 1912 



Synonyms. — Spiroptera corvi-cajani 2 , in Molin, 1860 ; Ascaris pa- 

 pulosa Molin, 1860d, not Bloch, 1782. 



Host. — Corvus cajanus. 



Location. — Intestine. 



Morphology.— Subulura (p. 104) : Mouth with 3 lips bearing single 

 papillae, central, spherical. Body transversely crenated. Lateral 

 membranes narrow. 



Male 10 to 12 mm. long by 100 to 300^ wide. Tail (fig. 178) slen- 

 der. Preanal sucker elliptical, without a chitinous ring, with strongly 

 developed radiating muscles. Caudal alae weakly developed. Spic- 

 ules unequal. At least 11 pairs of caudal papillae, of which 6 are 

 preanal and 5 postanal (posterior end lacking in specimen described 

 so that possibly there are more postanals). Preanal sucker situated 

 between the second and third pair of preanal papillae (that is, 2 pairs 

 of preanals are anterior to sucker). 



Female unknown. 



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

 galli (p. 82). 



Distribution. — South America (Brazil). 



SUBULURA PLOTINA Baylls, 1919a 



Host. — Flotus rufvs. 



L.ocation. — Not given. 



Morphology. — Subulura (p. 104) : Body slender, tapering at either 

 end. Lateral alae present, lanceolate, extending from cephalic ex- 

 tremity to about the beginning of esophageal bulb. Mouth without 

 lips but with 6(?) very small papillae. Mouth cavity small, with 3 

 small teeth at entrance to esophagus. Esophagus with bulb. 



Male 8.2 mm. long by 340/t wide. Esophagus 1.25 mm. long. Tail 

 (fig. 179) 200/a long; caudal alae absent. Preanal sucker elongated, 

 Avithout chitinous border, 400ft anterior to anus. Ten pairs of 

 papillae of which 3 are preanal, 1 adanal, and 6 postanal. Spicules 

 equal, 900^ long. Gubernaculum 150/a long. 



Female 14.2 mm. long by 460/* wide. Esophagus 1.5 mm. long. 

 Tail 800yu, long. Vulva in middle third of body, 5.8 mm. from an- 

 terior end (thus anterior to middle). Eggs 65 to 75/x long by 52.5 

 to 55ju wide. Uterus extends posterior to anus into cavity of tail. 



2 Catalogue of the Vienna Museum. 



