NEMATODE PARASITES OF BIRDS 



223 



lateral fields between cordons and slightly posterior to middle of 

 length. 



Male 6.26 to 6.96 mm. long by 110 to 130/* wide. Tail 1/39 to 1/42 

 of total body length. Buccal cavity or pharynx 150 to 170/<, long; 

 anterior esophagus 350 to 120/*. long; posterior esophagus 770//. to 

 1.09 mm. long. Caudal alae (fig. 286e) with 2 concentric zones, the 

 inner thick and transversely striated, the outer thin and often with 

 longitudinal folds. Four pairs of preanal and 6 pairs of postanal 

 papillae. Spicules (fig. 286^ and d) 120 and 150/* long. 



Female 15.58 to 22.16 mm. long by 130 to 170/* wide. Tail 1/90 to 

 1/103 of total body length (fig. 286/). Buccal cavity or pharynx 160 

 to 200/* long; anterior esophagus 530 to 660/* long; posterior esopha- 



flc. 2s7. aciaria oenata. o, male tail; b, left spicule; 0, head end: d, 



right spicule ; c. cordons of the lateral and f, of the submedian fields. 

 After Gbndeb, 1912 



gus 1 to 1.32 mm. long. Vulva near middle of body, about 10/21 of 

 body length from head. Eggs 32/t long by 21/* wide, thick-shelled, 

 embryonated when oviposited. 



Life history. — Unknown; probably involves intermediate stages 

 in other hosts. 



Distribution. — Africa ( Abomey ) . 



ACUARIA ORNATA (Gendre, 1912) Raillict. Henry, and Sisoff, 1912 



Synonyms. — DispJiaragus ornatus Gendre, 1912. 



Hosts. — Primary : Gorvus ecapulatus ; secondary : Unknown. 



Location. — Between the tunics of the gizzard. 



M<jrj)/iolo(fy. — Aouaria sensu stricto (p. 216) : Mouth with 2 

 large lateral lips (fig. 287<?), each with 2 lateral pedunculated 

 papillae on its external surface and with a median triangular zone 

 between them. Six cutaneous cordons, 4 in the submedian lines 

 (fig. 287/) as usual, extending from the lips almost to the middle 

 of the body (10/23 of body length), thus beyond the esophagus and 

 ventricle, these cordons double and festooned, and 2 cordons in the 

 lateral lines (fig. 287e) originating at the level of the anterior fifth 



