64 THE INVERTEBRATE FAUNA 



used the lists prepared by Professor Mobius, of the worms 

 obtained in the German Expedition of 1872, and for the list of 

 species from the Forth in the British Museum, we are in- 

 debted to Johnston's Catalogue of non-Parasitical Worms. 



CH^ETOGNATHA. 



Sagitta bipunctata (Quoy and Gaimard). 



' Off St Abb's Head, 3 fathoms (Mob.). 



GEPHYEEA. 



SIPUNCULID.E. 



Phascolosoma strombi (Mont.). 



Bass Kock (Mob). 

 P. procerum (Mob.). 



Bass Eock, 24 fathoms (Mob). 



PRIAPULID^E. 

 Priapulus caudatus (Lam.). 



Leith (Colds). 



DISCOPHOEA. 



HlRUDINEA. 



PontoMdla muricata (Linn.). 



Common as a parasite on the skate, and 

 dredged in 12 fathoms, below Inchkeith 

 (nob). 



MALACOBDELLEA. 



Malacoldella grossa (0. F. Mull.). 



Off Elie (nob). 

 M. valencienncei (Blanchard). 



In Mya truncata, Firth of Forth (Johnst. 



Cat). 



POLYCH^ETA. 



APHRODITIDyE. 



Aphrodite aculeata (Linn.). 



Kirkcaldy Bay, 9 fathoms ; Aberlady 



