NEMATODE PARASITES OF BIRDS 171 



only slightly salient, 915/* anterior to aims. Vestibule, including 

 sphincter, 1.2 mm. long (fig. 243c). Eggs 40.5m by 22.5m. 



Life history. — Unknown. 



Distribution: — North America (United States (Georgia)). 



Type material. — No. 26389 U.S.N.M. (Bureau of Animal Indus- 

 try Helminthological Collection). 



The proventriculi of two quail, containing numerous specimens 

 of these nematodes, were sent to the Zoological Division of the 

 Bureau of Animal Industry by the Biological Survey from the head- 

 quarters of the Cooperative Quail Investigation in Georgia. 



CYRNEA PARROTI Seurat, 1917 



Host. — Primary: Caccabis petrosa; secondary: Unknown. 



Location. — Under corneous tunic of gizzard. 



Morphology. — Cyrnea (p. 166) : Body robust; cuticle thick, finely 

 striated transversely. No lateral alae. Cervical papillae asymmetri- 

 cal, at level of excretory pore. Intestinal papillae asymmetrical, in 

 a female 18.8 mm. long, the left papilla 3.5 mm., the right 7.75 mm. 

 from caudal extremity. Mouth with 2 lateral lips, rounded at free 

 edge, having 3 small teeth on internal surface, and a dorsal and ven- 

 tral lip deeply notched in the middle. 



Male 11.7 mm. long by 265/* wide. Tail 160/* long. Spicules 

 unequal, the left 1.34 mm., the right 490/* long. Gorgeret 65u 

 long. Caudal alae and papillae as in Cyrnea eurycera (p. 167). 



Female 18.8 mm. long by 360/* wide. Tail 140/* long. Vulva 

 1.14 mm. from caudal extremity, not salient. Ovejector like that of 

 some species of Habronerna of birds; vestibule very short (300/*) ; 

 unpaired trompe 660/*. Eggs 52/* long by 24/* wide. 



IAfe history. — Unknown. 



Distribution. — Africa (Algeria (MacMahon) ). 



CYRNEA SEMILUNARIS (Molin, I860) Seurat, 1914f 



Synonyms. — Sp-iroptera semilunaris Molin, 1860; Spiroptera lan- 

 ceolata Molin, 1860. 



Hosts. — Primary : Crotophaga major, Trogon eollcwis, and T. mel- 

 anurus', secondary: Unknown. 



Location. — Between the tunics of the gizzard. 



Morphology. — Cyrnea (p. 166) : M ale 6 to 10 mm. long by 150,u 

 wide. Caudal alae not long but wide, semilunar; 9 fungiform pa- 

 pillae, of which 6 are very long. Spicules unequal. 



Female 4 to 20 mm. long by 100 to 400/* wide. Caudal ex- 

 tremity straight, obtuse; anus remote from caudal apex. Vulva 

 prominent, in posterior part of body not far from anus. 



Life history. — Unknown. 



Distribution. — South America (Brazil). 



