POLYCH^TA OF THE L.M.B.C. DISTRICT. 149 



Family. — Phyllodocid^. 



* PhyUodoce maculata, (0. F. Midler). 



Hab: Fgremont, under stones in clay, near low water 

 mark, and dredged of S. W. coast of Anglesey. 



Malmgren's exclusion of Johnston's P. maculata is, I 

 believe, incorrect. Many of the latter author's figures are 

 very poorly draw^i and in the case in question the figure 

 does not agree with the letterpress, the markings on the 

 back being represented while the dot on each lamellar 

 process of the feet is omitted. I can easily reconcile my 

 specimens with both author's figures and descriptions. 

 Length 3' 5 cm. 



Phyllodoce laminosa, Sav. 



Hab : P and M. Under stones, Laminarian zone. 



Of a most lovely delicate yellow-tinged green in life. 

 It is able to secrete very great quantities of mucus — from 

 the large leaf- like lobes of the feet as in Nereis virens — 

 which in spirit becomes very tough, enveloping and bind- 

 ing together the body and feet as in a web. 



Eulalia viridis, (Miiller). 



Hab : P, M, Mp. Over the entire tidal zone. 



This bright, dark grass-green Phyllodoce is unquestion- 

 ably the characteristic errant annelid of Puffin Island, 

 finding in the weathered and molluscan bored {Saxicava 

 rugosa, L.) cavities and tunnels of the limestone rocks 

 and boulders, the perfection of sheltering places always at 

 hand to which to retreat on sign or suspicion of danger. 



From my observations of annelid life characteristic of 

 localities having different geological formations, I arrive at 

 the inference that this species can appear in great abund- 

 ance only in spots where its environment provides in- 

 numerable retreats always open. The honeycombed 

 surface of limestone rocks answers such requirements 

 admirably, and in this district such spots — of which 



