310 



BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



longitudinal and smaller transverse striations. Five pairs of long 

 pedunculated papillae, of which 2 pairs (according to Linstow's fig- 

 ure the 2 preanal) are longer than the others (postanal). Spicules 

 equal, 290/* long, curved. Tail 1/14 of total body length. 



Female 16.8 mm. long by 1.22 mm. wide. Esophagus 1/3.5 of total 

 body length. Tail 1/53 of total body length, tapering. Eggs 42//, long 

 by 13/i wide. Vulva anterior to middle of body, dividing the body 

 length in ratio of 13 : 31. 



Life history. — Unknown; probably involves intermediate stages in 

 insects. 



Distribution. — Africa (Kamerun) . 



Ortlepp notes that this species does not belong in Physaloptera, 

 that it has some resemblance to the genus Cyrnea, but its inadequate 

 description makes any transfer inadvisable. 



Figs. 371-373. — 371, Physaloptera, species. Head end. After Parona, 1885. 372', 

 Physaloptera ovata. Male tail. After Linstow, 1907. 373, Physaloptera 

 bulbosa. Male tail. After Linstow, 1906 



PHYSALOPTERA BULBOSA Linstow, 1906b 



Hosts. — Primary : Pavo cristatus and P. spicifer; secondary : Un- 

 known. 



Location. — Proventriculus. 



Morphology. — Physaloptera (p. 295) : Head end rounded, the 

 mouth surrounded by 6 lips structures. Cuticle smooth. Nerve ring 

 250/x from head end. 



Male 18.4 mm. long by 400/t wide. Esophagus 1/5 of total body 

 length. Right spicule 880/* long, left spicule 2.17 mm. long; both 

 spicules with rounded tips. Tail 1/46 of body length. Caudal alae 

 (fig. 373) oval, with transverse wavelike markings. Four pairs 

 of pedunculated papillae, of which 2 are preanal, 2 postanal, and 

 between the two groups on each side a large sessile adanal papilla; 

 near the tail end there are 5 pairs of smaller pedunculated papillae 

 forming a row on each side. 



Female 27.8 mm. long by 510/* wide. Esophagus 1/7 of total body 

 length. Anus almost terminal, the tail length being only 1/121 of 

 total body length. Vulva in posterior part of body, 2/47 or body 

 length from tail end. Eggs thick-shelled, 44/i. long by 26/t wide. 



