162 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
round hairs, secretal threads, or other material, the exact origin 
of which it is difficult to decide. 
The fan measures’ 14 in. across. 
So far as I have been able to ascertain, no similar specimen 
has previously been recorded as British. 
Although much larger than the tube obtamed from the 
mouth of the Rio de la Plata, South America, described and 
figured by McIntosh, in the “ Challenger ’’ Report (Zool. vol. 
xu, p. 448 ; Plate xlix, Fig. 4), and although there are points of 
difference as regards the filaments, &c., still the general resem- 
blance between the two is such that I think the Port Erm 
specimen should be recorded as belonging to the species 
Terebella (Lanice) seticornis, created by McIntosh for the 
South American tube. | 
