NEMATODE PARASITES OF BIRDS 213 



ACUARIA MACROLAIMA (Linstow, 1906) Railliet. Henry, and Sisoff, 1912 



Synonym. — Dispharagus macrolaimus Linstow, 1906a. 



Hosts. — Primary : Plotus melanogaster ; secondary : Unknown. 



Location. — Stomach ( Gizzard ? ) . 



Morphology. — Acuaria sensu lato (p. 212) : Head with 2 small, 

 conical, rounded lips. Following the mouth is a long vestibule and 

 then a very long esophagus with a total length of 10/24 to 10/27 of the 

 body length. Cuticle transversely striated. Cordons extend 800/u. 

 posteriorly, rather beyond the anterior portion of the esophagus ; not 

 anastomosing or recurrent. Cone-shaped papillae in lateral fields 

 immediately anterior to ends of cordons. 



Male unknown. 



Female 7 to 11 mm. long by 280 to 470/x wide. Tail 1/37 of body 

 length, terminating in a smaller finger-shaped point. Eggs 31/i 

 long by 11/u. wide. 



Life history. — Unknown; probably involves intermediate stages 

 in other hosts. 



Distribution. — Asia (Ceylon (Wirawila)). 



This species belongs in Acuaria sensu stricto or G heilosjnr-ura, 

 apparently, but can not be definitely placed until the male char- 

 acters are known. 



ACUARIA MAMILLARIS (Molin, I860) Railliet, Henry, and Sisoff, 1912 



Synonyms. — Dispharagus mcumillaris Molin, 1860c/ Spiroptera 

 corvi-cajani 3 in Molin, 1860c. 



Hosts. — Primary: Corvus cajanus; secondary: Unknown. 



Location. — Stomach. 



Morphology. — Acuaria sensu lato (p. 212) : Mouth with 2 large 

 triangular lateral lips. Body densely striated transversely and at- 

 tenuated anteriorly. Cordons directed posteriorly and gradually 

 disappearing, not recurrent or anastomosing. According to Gendre, 

 (1920a), the cordons extend beyond the posterior extremity of the 

 esophagus and ventricle (the ventricle apparently being the second 

 part of the esophagus). 



Male unknown. 



Female 21 mm. long. Posterior extremity conical, with obtuse 

 extremity. 



Life history. — Unknown. 



Distribution. — South America (Brazil). 



This species belongs in Acuaria (sensu stricto) or Cheilospirura, 

 apparently, but can not be definitely placed until the male char- 

 acters are known. 



3 Catalojnie of the Vienna Museum. 



