502 



PROF. 0. L. BOULKNGKR ON FILAIIIID 



Male 12-20"5 nun. long, with a maximum breadtli of about 

 0-75 mm. 



Cloaca 0*06-0*07 mm. from tlie posterior extremity. Tail 

 broad and rounded. There are six pairs of inconspicuous, 

 flattened pa.pillce ; four pairs are preanal, two postanal. 



Spicules unequal ; the long spicule is straight and has a length 

 of 0*72 mm., the short spicule is twisted and measures 0*45 mm. 



Text -figure 10. 



Diplotricena dhicce, sp. n. 

 Posterior extremity of male, ventral view. X 75. 

 i., intestine; po., postanal papilla; jpr., preanal papilla; sp,, long spicule; 

 spi., short spicule. 



FemaU 30-43 mm. in length ; the bod}^ attains a thickness 

 of 0"9 mm. 



Anus about 0*1 mm. from the rounded extremity. The vulva 

 projects slightly from the ventral surface, 0*35 mm. from the 

 cephalic end. Vagina short, 0 9-1 mm. in length. 



Oviparous. Eggs thick-shelled, measuring 0'045-0-Or) x 

 0*03 mm. 



D1PLOTRI.ENA FLABELLATA (v. Liustow, 1888). 



My material includes a single specimen of a female Diplotrkrita 

 from the body-cavity of the lied Bird of Paradise, Paradisea 

 rubra. I take it to be the same species as 1). jlaheUata descril)ed 

 from ParadisPAi apoda ])y v. Linstow in the ' dialler. oer ' Reports 

 (1888). 



Sjiecific diagnosis. — THjdoiriO'na : Body short, more attenuated 

 anteriorly than posteriorly. 



