Dr. Johnston on the British Nereides. 227 



2. Ph. maculata, the body marked with dark-brown spots 

 in three rows ; branchial leaflets somewhat heart-shaped. 

 Plate VII.* rig. 1—3. 



Nereis maculata, Linn.Syst. 1086. Mull. Zool. Dan. prod. p. 217. Bosc, 

 Vers, i. p. 171. — Phyllodoce pulchra, Johnston in Zool. Journ.iv. p. 54. 

 — The figure of Baster (Opusc. Subs. i. p. 14. tab. iv. fig. 1.) may pos- 

 sibly be intended for a representation of this species. 

 Hab. The shore at and within tide marks. Frequent on the coast of Ber- 

 wickshire. 



Desc. Worm sometimes 4 inches long, slender, depressed, 

 tapered a little towards each extremity, yellowish, with a row 

 of dark-brown spots along the back, and the sides spotted 

 with the same colour ; ventral siuface paler, with a median 

 row of small rather distant spots, and a series of larger ones 

 on each side at the base of the feet. Head bluntly pointed, 

 armed in front with four white conical antenna ; eyes black. 

 Post-occipital segment with four pairs of setaceous tentacular 

 cirri, of which the two anterior are the shortest : on each side 

 of the other segments there is an oval or somewhat heart- 

 shaped branchial lamella, with a brown spot in its centre, and 

 supported on a very short spotted stalk : beneath them are 

 the feet, each foot consisting of two papillary processes, the 

 superior furnished with a brush of retractile bristles of the 

 usual character. Anal segment terminated with two short co- 

 nical styles. 



3. Ph. bilineata, slender, pale greenish-yellow, with a con- 

 tinuous dark line drawn down each side at the insertions of 

 the feet. Plate VI. fig. 7—10. 



Nereis maculata? Fabr. Faun. Grcenl. p. 298. Turt. G/nel. iv. p. 88. 

 Hab. On oysters from Preston-pans in the Firth of Forth. Berwick Bay, 



rare. 



Desc. From 2 to 3 inches long, very slender, serpentine, 



somewhat narrowed in front, more so towards the tail, of a 

 pale greenish-yellow colour, with a dark continuous line along 

 each side, rendered sinuous by the emarginations at the junc- 

 tion of the segments, which are numerous and quadrangular. 

 Head ovoid ; eyes two, placed backwards ; antenna four, un- 

 equal, placed in a stellate fashion round the orifice of the 

 mouth : tentacular cirri rather short, unequal : branchial la- 

 * PI. VII. will be given in the Supplement to the present volume, 



