110 



BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



mm. long. Tail straight, pointed ; anus 1.03 mm. from end. Vulva 

 only slightty salient, of irregular shape, a little anterior to middle 

 of body. Ovejector (fig. 156) anteriorly directed, about 762/*, long; 

 vestibule short, 313/*; sphincter, 211/*; trompe 338/* long. 



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

 galli (p. 82). 



Distribution. — South America (Brazil). 



SUBULURA BENTOCRUZI Barreto, 1918 



Hosts. — Trogon, species and T. variegatus. 

 Location. — Intestine. 



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

 tions. Lateral alae extend slightly beyond esophageal bulb, their 



/57. 



Figs. 157-158. — Subulura bentoceuzi. 157, Male tail, lateral view. 158, Male tail, 

 vhntsal view. after ba1ireto, 1918 



length about 1.97 mm. Mouth hexagonal, with 6 small equal papiL 

 lae. Buccal cavity small, 3 teeth at its base. Esophagus claviform. 

 bulb spherical, 190/* in diameter. 



Male 7.7 to 16 mm. long by 436/* wide. Buccal cavity 38/* deep. 

 Tail (figs. 157 and 158) curved ventrally, ending in an appendage 93/* 

 long. Cloacal aperture 245/* from posterior end. Preanal sucker 

 without chitinous edge, 280/* long, its lower limit 883/* from caudal 

 extremity. Caudal alae rudimentary. Eleven pairs of papillae, 3 

 of which are preanal, 2 adanal, 6 postanal. Spicules unequal, the 

 larger 1.5 mm. long, the smaller 1.1 mm. {% the length of the for- 

 mer.) Gubernaculum 169/* long. 



