NEMATODE PARASITES OF BIRDS 



199 



have been reported from numerous other birds by Monnig. Second- 

 ary: Unknown, probably insects. 



Location, — Intestine and cecum. 



Morphology. — Hartertia (p. 191) : Color blood-red. Lateral alae 

 for about 2 mm. length in anterior part of body; this part of body 

 bent hook-like dorsally. Body robust anteriorly, progressively 

 slenderer in posterior 2/3. Cuticle with fine transverse striations, 

 the alae in addition to these transverse striations having a lonm- 

 tudinal line dividing them in two halves, the outer half more deeply 

 colored. Two papillae at anterior insertion of alae. Mouth (fig. 

 270#) with 2 tri-lobed lateral lips, the median lobe having a small 

 tooth, the lateral lobes a finelv denticulated edge. Length of 

 esophagus 1/7 that of the body. 



Fig. 270. — Hartertia rotundata. 



a, Head, ventral view ; b, male tail. 

 Sbubat, 1914 



Aft etc 



Male 35 to 37 mm. long by G60/* wide. Caudal alae (fig. 270&) 

 symmetrical, 1.2 mm. long by 720/u, wide. Six pairs of long pedun- 

 culated papillae, of which 4 are preanal, in addition a group of 5 

 pairs of small papillae in the region of the caudal extremity. Ven- 

 tral surface covered with protuberances. Cloacal aperture 540ti 

 from tail end. Spicules unequal, 1.35 mm. and 450/* long. Gorgeret 

 present. 



Female 35 to 66 mm. long by 900/* wide at a level of alae. Cephalic 

 papillae 70/u, from anterior end. Tail long, 1.2 mm. in a 35 mm. speci- 

 men. Vulva posterior to anterior third of body. Ovejector (fig. 271) 

 composed of pyriform vestibule 600/* long, sphincter 000//, long, 

 unpaired trompe 1.5 mm. long. Uteri divergent. Eggs thick- 

 shelled, 62 to 69/x long by 42 to 56ti wide, embryonated at maturity. 



Life history. — Unknown: probably similar to that of //. galli- 

 naruni (p. 107). 



Distribution. — Asia (Turkestan, Russian Turkestan) and Africa 

 (Algeria and Transvaal). 



