502 



PROF. C. L. BOULKNGICR ON FILARIIU 



±Male 12-20-5 mm. long, with a maximum hreadtli of about 

 0*75 mm. 



Cloaca 0-06-0'07 ii)m. from the posterior extremity. Tail 

 broad and rounded. There are six pairs of inconspicuous, 

 flattened papillae ; four pairs ore preanaJ, two postanal. 



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

 of 0-72 mm., the shoi^t spicule is twisted and measures 0'45 mm. 



Text-fifi'ure 10. 



Diplotrtcena diuc<e, sp. n. 

 Posterior extremity of male, ventral view. 



X 75. 



*., intestine; po., postanal papilla; pr., preanal papilla; sp., long spicule; 

 spi., short spicule. 



Female 30-43 mm. in length ; the body attains a thickness 

 of 0'9 mm. 



Anus about O'l mm. from the rounded extremity. The vulva, 

 projects slightly from the venti'al surface, 0-35 mm. from the 

 cephalic end. Vagina short, 09-1 mm. in length. 



Ovipai'ous. Eggs thick-shelled, measuring 0'045-0-05 x 

 0-03 mm. 



DiPLOTRIJENA FLABELLATA (v. Linstow, 1888). 



My material includes a single specimen of a female Diplotriama 

 from the body-cavity of the Red Bird of Paradise, raradisea 

 rubra. I take it to be the same species as 7). JlabeUata described 

 from Paradisea apoda by v. Linstow in the ' Challenger' Reports 

 (1888). 



Specific diagnosis, — JHplotria'na : Body shoi-t, more attenuated 

 anteriorly than posteriorly. 



