NEMATODE PARASITES OF BIBDS 



175 



pairs of pedunculated preanal papillae; 1 large unpaired sessile 

 papilla on anterior margin of cloacal aperture; 2 pairs of large 

 postanal papillae and near the caudal extremity, a circular smooth 

 area carrying several very small papillae. Spicules unequal, the left 

 1.27 mm., the right 350/x long. Gorgeret 70^ long. 



Female 12.8 mm. long by 385/x wide. Tail 170ft long. Vulva 6.6 

 mm. from anterior end of body, slightly salient. Vestibule 300/x 

 long; sphincter 240/x long; unpaired trompe 120/u. long, dividing into 

 2 branches 720> in length. Eggs 47/x long by 23/x wide, embryonated 

 at maturity. 



Fig. 245. — Habronema fichecri. a, Lateral ; b, dorsal view of head ; o, male 

 tail. After Seurat, 1916 



Life history. — Unknown; probably involving insects as interme- 

 diate hosts. 



Distribution. — Africa (Algeria ) . 



HABRONEMA INCERTA (Smith. 1908) Gendrc. 1922 



Synonym. — Spiroptera incerta Smith (A. J.), 1908. 



Ilosts. — Primary : Bolborhynchus lineola, B. monachus, Chrysotis 

 auripalliata, C. guatemalae, C. leucocephalus, C. ochroptera, Conurtis 

 leucotis, G. pertinax, Eclectus roratus, Lophortyx californicus, 

 Palaeomis fasciatus, Platycercus barnardi, P. eximius, P. palladi- 

 ceps, Poeocephalus senegalus, Protogerys mrescens; secondary : Un- 

 known. 



Location. — In mucosa of proventriculus. 



Morphology.— Habronema (p. 172) : Cuticle finely striated trans- 

 versely. Two lateral alae (fig. 246 d and e) of unequal length, one 

 extending for about 1 mm. posterior from the head, the other 1/2 

 3612—27 13 



