REPORT ON THE VERMES, 159 



mawr. The species was dredged by the *' Knight Errant " 

 off the north coast of Scotland in 1880. It does not appear 

 in Byerley's list. 



Family. — SABELLiDiE. 

 Sabella penicilhis, Linnaeus. 

 Sabella pavonia, Savigny. 



One very large specimen and a few smaller ones were 

 obtained, the former in the dredge off the Great Ormes Head, 

 the latter at Hilbre. It is not recorded by Byerley. 



Dasychone lucidlana, Delle Chiaje. 

 Two specimens of the animal were obtained, but no 

 tubes. They were dredged off Puffin Island, on the Anglesea 

 coast, from a depth of twelve fathoms. It does not occur in 

 Byerley's list. 



Family. — Serpulid^e. 



Serpula vermicularis, Linnaeus. 

 This species, the common Serpula, is found abundantly 

 over rocks and shells on the coast. Specimens were obtained 

 from Hilbre, and plentifully at the Isle. of Man. It occurs 

 in Byerley's list. 



Serpula triquetra, Linnaeus. 

 This form was obtained at Penmaenmawr, and is 

 recorded by Carrington, and by Byerley, under the synonym 

 of Vermilia triquetra. 



Spirorbis borealis, Davidson. 

 Spirorbis communis, Fleming. 



This Serpulid is very abundant on the seaweed, stones, 

 &c. on the shore. Some very fine specimens were found 

 encrusting CoralUna officinalis, at Fleshwick Bay, Isle of 

 Man. Mentioned by Carrington under the synomyn S. com- 

 munis. 



