256 



I'lJIAPULACE-E. 



SIPUNCULIDJE. 



PR1APULACEJE. 



Genus Priapulus. Lamarck. 



Generic Character. — Body cylindrical, having a trunk without tentacula, and 

 a branched filamental caudal appendage, proceeding from the truncate posterior 

 extremity. 



THE TAILED PRIAPULUS. 



Priapulus caudatus. Lam. 



Specific Character. — Body finely striated longitudinally and transversely by 

 distant strife ; trunk striated longitudinally. 



Holathuria priapus, Lin. Syst. 1091. Fabricius, Fauna Groen. 355. Muller, 

 Zool. Dan. Prod. 2807; Zool. Dan. t. xcvi. 1, and t. 

 cxxxv. 2. 



I'riajmlus caudatus, Lam. 2 Edit. III. p. 467. Fleming, Brit. An. p. 4.01. 



