NEMATODE PARASITES OF BIRDS 157 



Female 33 mm. long by 800> wide. Tail 360//. long, sharply 

 pointed. Vulva in anterior third of body, dividing body length in 

 ratio of 5 : 12. Eggs thin-shelled, very round, 40> long by 32/* wide. 



Life h istory. — Unknown. 



Distribution. — Africa (Transvaal) . 



COXTRACAECUM PUNCTATUM (Gedoelst, 1916) Baylis, 1920b 



Synonym. — Kathlcena punctata Gedoelst, 1916. 



Host. — "Grand Heron a bee de Pelican," probably Pseudo- 

 t an talus ibis. 



Location. — Pro ventri cuius. 



Morphology. — Contracaecum (p. 146) : Color white. Cuticle with 

 cross-striations. Head small, 148/* in dor so -ventral diameter. Three 

 lips, the dorsal with 2 papillae, the ventrolaterals each with a single 

 papilla. Three interlabia present. Precervical papillae 470/i from 

 head end in small specimens. Esophagus 2.24 to 4.5 mm. long, with 



230 — 23/. 



Figs. 230-231. — 230, Contracaecum punctatum. Male tail. After Gedoelst, 

 1916. 231, Contracaecum rodhaini. Head. After Gedoelst., 1916 



an appendix 960/* to 1.2 mm. long. Cecum extends from intestine 

 anteriorly for 1.6 to 3.6 mm. 



Male 16.5 to 32.5 mm. long by 665/t to 1.15 mm. wide. Tail (fig. 

 230) curved, conical, measuring 1/70 of total body length. At least 

 23 pairs of caudal papillae arranged as follows: 4 pairs near tail 

 end. 2 of them ventral. 2 lateral; 2 pairs between the preceding 

 group and the cloacal aperture; at least 17 pairs of preanal papillae, 

 arranged in 2 regular rows. Spicules equal, 4 mm. long by 42.5 ( u 

 wide, with curved alae. 



Female. — Unknown. 



Life history. — Unknown. 



Distribution. — Africa (Belgian Congo (Bukama. Katanga)). 



CONTRACAECUM RODHAINI (Gedoelst, 1916) Baylis, 1920b 



Synonym. — KathJeena rodhaini Gedoelst, 1916. 

 Host. — Plotus rufus. 

 Location. — Proventriculus. 



Morphology. — Contracaecum (p. 146): Color yellow - white. 

 Cuticle with fine cross-striations. Head (fig. 231) 300/t wide by 



