666 MR J. T. CUNNINGHAM AND MR G. A. RAMAGE ON THE 



behind the buccal; the first of these has no chaetae of any kind; fascicles of 

 capillary chaetae are present on all the somites, from the 2nd branchiferous to 

 the end of the body. Uncinigerous tori are present from the 3rd chaetiferous 

 somite to the end of the body. The uncini have 2 teeth. Behind the series of 

 tentacles, on a narrow transverse band, bordered by two ridges, are numerous 

 ocelli. The dorsal surface of the animal is uniformly marked with clear oily- 

 looking spots. Glandular scuta ventralia, one on each of the first 16 somites. 

 The tube is slightly sinuous, flexible. It is formed of a thin transparent 

 membrane resembling mica, which is covered externally with pieces of shell, 

 small stones, fragments of Polyzoa, &c. 



Habits. — We took it in the dredge off Anstruther, and obtained it also from 

 fishermen's lines, worked 50 miles E. by S. from the May Island; depth about 

 30 fathoms. It is rather a deep-water form, not found between tide marks, 

 thougli Johnston says it is very common in the coralline region. According to 

 Malmgren, it is common on the arctic and northern shores of Europe, and 

 extends as far south as the Mediterranean, ranging from 3 to 250 fathoms in 

 depth. 



Subf. POLYCIRRINiE. 



No branchiae. 



Ereutho Smitti, Malmgren. 



Ereuiho Smitti, Mlmgn., Nordiska Hafs-Annulater, p. 391. 

 Polycirrus Smitti, M'Intosh, Fauna of St Andrews. 



We have identified this form from Malmgren's diagnosis ; Grube's genus 

 Polycirrus has fasciculi of capillary setae on 40 of the anterior segments ; the 

 genus Ereutho, as defined by Malmgren, on only 13. Malmgren gives the 

 following analysis of the Subf. Polycirridea : — 



Uncini nulli. Fasciculi setarum in 6 segmentis, Lysilla, Malm. 



r in 13 segmentis, Ereutho, Malm. 



Uncini hamati Fasciculi setarum ^ 22 nti L eucariste,Malm. 



capillarium, ) 



\ in 40 seg. vel ultra, Polycirrus, Gr. 



Uncini elongati, sublineares aciculiformes. Fasciculi 



setarum in 10 segmentis, Amaea, Malm. 



Habits. — Not uncommon, frequently found in holes among roots of 

 Laminaria, also under stones in the littoral zone, dredged occasionally on the 

 middle bank, in 5 to 7 fathoms. It lives in holes in mud, sand, or debris, and 

 does not form a separate tube for itself. 



The prostomium forms a considerable tongue-shaped projection, which bears 

 along its dorsal edge the numerous simple flexible tentacula : the buccal 

 somite is not conspicuous. There is a single ventral scuta behind the mouth, 

 corresponding to the buccal and 1st setigerous somite : behind this are 8 pairs 

 of scutes belonging to somites 2 to 9. 



