NEMATODE PAEASITES OF BIRDS 



71 



HETERAKIS PUTAUSTRALIS Lane, 1914 



Host. — (rail us g alius. 



Location. — Ceca. 



Morphology. — Heterakis (p. 50) : Small worms, curved dorsally 

 at the cephalic end. Lateral membranes present, extending almost 

 the entire length of body. 



Male 7.6 nun. long by 300/* wide. Circular sucker (fig. 97), 80/* 

 wide with papilla interruption on posterior border of chitinous rim. 

 Twelve pairs of caudal papillae: 2 pairs near the sucker, 6 pairs in 

 the region of the cloacal aperture, of which the first (most anterior) 

 of the lateral pairs and the third of these are much the smallest; the 



Pigs. <i«;-os. — «.iti, Heterakis pusilla. Male tail. After Dinstow, 1906. 97. Hetera- 

 kis pi taistkalls. Male tail. 9S, a, Left SPICULE from side; b, left spicule from 

 • i:\ti;u ; c, RIOHT spicules. Figs. 97 and 98 after Lane, 1914 



ventral papillae of this group are fairly far apart; posterior of these 

 is a pair of medium sized lateral papillae; in the caudal group, the 2 

 lateral pairs are set far apart, and the most anterior pair is very 

 small and asymmetrically placed. Right spicule (fig. 98c) 550/* 

 long and tapering to a blunt conical point. Left spicule (fig. 98 a 

 and b) 260/* long and provided with lateral alae which are not quite 

 symmetrical. Caudal alae do not meet as a cuticular thickening in 

 front of the sucker. 



Female 8.2 mm. long by 350/* wide. Vulva just anterior of tiie 

 middle of the body. Anus 830ju from tip of tail. Eggs G5/a long by 

 37 n wide. 



Life history. — Probably similar to that of 77. gallinae (p. 54). 



Distribution.— Asia, (India (Bengal)). 



HETERAKIS SKRJABINI Cram, 1327, new name 



Synonym. — Heterakis drquata Schneider. L866, of Skrjabin, 1910. 

 Hoxt. — Tina in us, species. 

 Location. — Abdominal cavil v. 



