THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTORY. 



No. 97. MARCH 1845. 



XX. — Miscellanea Zoologica. By George Johnston, M.D., 

 Fellow of the Royal College of Surgeons of Edinburgh. 



[With a Plate] 

 British Nereides. 



Syllis, Savigny. 



Char. Body linear-elongate, slender : head small, lobed more or 

 less in front : eyes four : antennce three, cranial, filiform, submo- 

 niliform, similar to the tentacular cirri, of which there are two 

 pairs : proboscis divided into two distinct portions, the aperture 

 plain, edentulous : segments numerous : feet undivided, armed 

 with jointed bristles ; the superior cirrus elongate, submouiliform, 

 the inferior short, unjointed : tail with two moniliform styles : 

 brcmchia none, 



1 . »S'. armillaris ; pale yellowish-brown, imspotted ; head deeply 

 lobed in front, the lobes papillary ; superior cirri foiu* times 

 longer than the breadth of the body, submoniliform, (Plate IX. 

 figs. 1, 2, 2 h.) 



Nereis armillaris, Miill. Wurm. 150. tab. 9. fig. 1 — 5, copied in 

 Encyclop. Method, pi. 55. fig. 13 — 17. Base, Vers, i. 168. 

 Turt. Gmel. iv. 86. 



Hub. Among shells and stones in deep water. Berwick Bay. 



Desc. Animal of a pale yellowish-brown colour, dusked in 

 some places from the earthy contents of the intestine, verj' slender, 

 linear-elongate, tapered at the tail, somewhat compressed. Head 

 distinct, small, deeply lobed in front ; the lobes poiTCct, papillary, 

 coalescent behind, but separated by a line from the antenniferous 

 portion, which is rounded and slightly convex : antennce slightly 

 tapered, submoniliform, the medial originating from the vertex 

 and rather longer than the lateral : eyes placed in a semicircle, 

 the posterior pair more approximated than the anterior : proboscis 

 long, the outer portion shorter than the basal, smooth : post- 

 occipital segment not larger than the following, with two tentacular 



Ann. ^- May. X. Hist. Vol. xv. M 



