NEMATODE PARASITES OF BIRDS 



281 



Life history. 

 in other hosts. 

 Distribution-.- 



-Unknown; probably involves intermediate stages 

 -South America (Brazil). 



SYNHIMANTUS SAGITTATA (Rudolph, 1809) Cram, 1927 



Synonyms. — Ascaris sagittata Rudolphi, 1809; /Spiroptera alata 

 Budolphi, 1819; Dispharagus analis Molin, 1860; FUaria alata 

 (Rudolphi, 1819) Schneider, 1866; Dispharagus alatus (Rudolphi 

 1819) Stossich, 1891', Acuaria alata (Rudolphi, 1819) Railliet, Henry, 

 and Sisoff, 1912; Synhimantus alata (Rudolphi, 1819) Skrjabin,. 

 1924. 



346. 



397 



Figs. 346-347. — 346, Synhimantus recta. Male tail. After Dbasche, 

 1SS4. 347, Synhimantus. sagittata. a, Head end ; b, male tail. After 

 Schneider, 1866 



Hosts. — Primary: Ardea nigra, A. purpurea, Ciconia nigra, Butco 

 borealis, Nycticorax griseus, N. nycticorax, black stork; secondary: 

 Unknown. 



Location,. — In mucosa of stomach (gizzard?). 



Morphology.— Synhimantus (p. 272) : Head with 2 small lateral 

 lips, each provided with a tooth. Cordons (fig. 347«) long, recur- 

 rent for almost half their length, anastomosing. 



Male 7 mm. long. Tail curled in 3 spiral turns. Caudal alae thick, 

 vesicular. Nine pairs of caudal papillae (fig. 347£>), of which 5 

 pairs are postanal. 



Female 9 mm. long. Vulva very near the anus. Eggs thick- 

 shelled. 



Life history. — Unknown; probably involves intermediate stages 

 in other hosts. 



Distribution. — Europe (apparently Germany). 



