A n nelida of St. A n dre ws. 155 



foam on the beach along with multitudes of Pleurobrachia ; 

 and it is curious that very little else was cast ashore at this 

 time. The season is remarkable, as Prof. Busk, who is the 

 author of a most valuable paper * on the structure and rela- 

 tions of the animal, thought it would chiefly be procured in 

 fine • and calm weather in the towing-net. They were re- 

 cognized by the active movements of their bodies, which 

 glistened all along the beach like needles of glass. 



Subclass GEPHYREA. 



Fam. Echiuridea, J. V. Cams. 



Genus Echiurus, Cuvier. 



Echiurus vulgaris, Sav. ; Baird, Proc. Zool. Soc. 1868, p. 109. 



Abundant amongst the debris on the West Sands after 

 storms. 



Fam. Sipunculidea, J. V. Cams. 

 Genus Phascolosoma, F. S. Leuck. 



Phascolosoma Harveii, Forbes ; Baird, loc. cit. p. 82. 

 Abundant in the stomachs of cod and haddock. 



Phascolosoma Stromal, Montagu; Baird, loc. cit. p. 86. 



Common in deep water in Dentalium, Turritella, and 

 Aporrhais. 



Phascolosoma, Johnstoni, Forbes ; Baird, loc. cit. p. 95. 



Frequent amongst the roots of corallines and seaweeds on 

 stones in pools, and in crevices of rocks. Ranges to deep 

 water in shells. 



Fam. Priapulidea, J. V. Carus. 



Genus Peiapulus, Lam. 



Priapulus caudatus 7 Lam. ; Baird, loc. cit. p. 104. 



Frequent in the stomachs of cod and haddock, and from 

 deep water. 



[To be continued.] 



* Journ. of Microscop. Science, 1856, p. 14. 



