304 



BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



Hosts. — Primary: Aquila rapax belisaHus and Melierax gdbar; 

 secondary: Unknown. 



Location. — Esophagus and proventriculus. 



Morphology. — Physaloptera (p. 295) : Body robust. Mouth (fig. 

 865#) with 2 lateral lips, each having on its inner surface 3 large 

 conspicuous, projecting teeth. Two pair of cephalic papillae near 

 insertion of lips. Postcervical papillae remote from nerve ring, 

 situated below the end of muscular and glandular esophagus. 



Male 21 mm. long by 780/* wide. Caudal alae (fig. 365c) large, 

 1.5 mm. long, with thick edges. Circumcloacal region covered with 

 small tubercles (these are not shown in Seurat's figure). Cloacal 

 aperture 925/* from tail end. Five pairs of lateral pedunculated 

 papillae, of which 4 pairs are in the circumcloacal region, the other 

 pair more posterior. Seurat states that there are 11 but figures 13 



Fig. 365. — Physaloptera galinieri. a, Head, lateral view ; b, anterior half of 



BODY OF FEMALE, SHOWING OVEJECTOR ; C, MALE TAIL. AFTER SEURAT, 1914 



ventral papillae near the median line, 3 of them in a transverse row 

 just anterior to cloacal aperture, 2 pairs just posterior to cloacal 

 aperture, also arranged in a transverse row, and the other 3 pairs 

 occurring more posteriorly. Spicules short, subequal, 360/* and 

 380/i long. 



Female 17 to 34 mm. long by 1.04 mm. wide. Tail short* (350/*). 

 Vulva (fig. 365 b) unusually remote from esophagus, situated a short 

 distance anterior to middle of body. Vagina 2 mm. long, directed 

 anteriorly; egg chamber (reservoir) 600/* long; trilnk (trompe) 200/* 

 long. Two uteri. Eggs 65/* long by 35/* wide. 



Life history. — Unknown; probably involves intermediate stages 

 in insects. 



Distribution. — Africa (Algeria (Ain-Oussera) and Transvaal). 



PHYSALOPTERA GEMINA Linstow, 1899a 



Host. — Primary: Gallus gallus and cat (Felis catus doniesticus) ; 

 secondary: Unknown. 



Location. — Stomach and intestine (?) . 



Morphology.— Physaloptera (p. 295) : Head end rounded, a ring of 

 thickened cuticle projecting anteriorly from it. Two large conical 



