i OMMON SPOON-WORM. 



263 



SIPUM TJLIDM 



THALASSEMACEJE- 



\ j 

 mm a 



Genus Echiurus. Cuvier. 



Generic Character, — Body cylindrical, posterior extremity with circles of corne- 

 ous bristles ; proboscis retractile, short, and furnished at one side with a long 

 fleshy furrowed simple non-retractile appendage. 



COMMON SPOON- WORM. 



Echiurus vulgaris. Savigny. 



Specific Character. — Body pink, ringed with minute pale granular spots ; ap- 

 pendage scarlet. 



Lumhricus echiurus, Pallas, Spicel. Zool. f. 10, t. i. fig. 1-5. 



Lnmbricus oxyurus, Pallas, Miscel. Zool. p. 146, t. xi. fig. 1-li. 



Thalassemia echiurus, Lamarck, Anim. sans Vert. 1 Edit. vol. V. p. 300 ; 



2 Edit. vol. V. p. 533. Blainville, Diet, des Sc. 



Nat. t. lvii. p. 499. 

 Thalassema aquatica, Leach, Enc. Brit. Sup. t. i. p. 451. 

 Thalassemia vulgaris, Savigny, Syst. des Anim. sans Vert. p. 102. 



One day during the winter of 1840, when walking on 

 the sandy shore at St. Andrew's, seeking for such living 

 treasures as the sea might have thrown up after a terrific 

 storm, I found among a profusion of Heart-Urchins, Rasor- 



