ROUGH SYRINX. 



245 



SIVUSCULIDJE. 



SIPUNCULA CEM 



WM 



Genus Syrinx. Bohadsch. 



Generic Character. — Trunk cylindrical, shorter than the body, having a circle 

 of short digitate tentacula near its extremity. 



HOUGH SYRINX. 



Syrinx nudus. Linnfeus. 



Specific Character. — Body rugose, with deep reticulating striae ; posterior ex- 

 tremity ventricose, smooth, furrowed longitudinally ; trunk granulated, except 

 near the extremity. 



Syrinx, 



SI 1 1 a nodus n udus, 



Bohadsch, Anim. Mar. p. 93, t. vii. f. 6, 7. 

 Linnjeus, 12th Edit. p. 1073. Gmelin, p. 3094. 

 Pennant, Brit. Zool. vol. IV. p. 36, t. xx. fig. 10. 

 Fleming, Brit. An. p. 491. Lamarck, 1 Edit- 

 vol. III. p. 469. Gray, Spicel. Zool. p. 8. 

 Sipunculus balanaphorus, Della Chiagi, Mem. t. i. pt. II. p. 22, pi. 1. 

 Syrinx tesseUatus, Bafinesque, Precis, p. 82. 



The Rough Syrinx, or Tube-worm, as Pennant styles 

 it, attains the length of from six to eight inches. The 



