14 ZOOLOGISCHE MEDEDEELINGEN — DEEL I. 



occurs a broad transverse band (sometimes divided into two) succeeded by a 

 smaller one. The scales are blackish, roundish, slightly concave in front, 

 with the scar of attachment situated eccentrically ; their surface is covered 

 with small tubercles, passing outwards in conical spines, whereas slight 

 oval papillae occur along the external border. 



Harmothoë nigricans n. sp. 



Siboga-expedition, Stat. 213, Saleyer-anchorage. 



At the above-named Station a Polynoid-worm was dredged, that pos- 

 sesses only some of the anterior scales ; they, are reniform, with their 

 uncovered part blackish, and beset with rather large conical spines, 

 whereas their posterior margin is fringed with rather long, cylindrical 

 papillae. On the covered part of each scale there are only small tubercles. 

 No dorsal tubercles are present and eyes could also not be recognized. 

 The dorsal cirri are long, furnished with rather long papillae, whereas 

 the ventral cirri are minute, smooth. The notopodium has a rounded, 

 ear-shaped edge; its anterior lip is short, straightly cut, whereas the 

 posterior one is elongated, pointed. The neuropodium has a triangular, 

 elongated anterior lip, enclosing the acicula ; its bristles are long, bifid, 

 with laciniated whorls on the dilated distal part. 



Lagisca Malmgren '). 



This genus differs from Harmothoë especially by a greater number 

 of segments, 40 or more. There are 15 pairs of scales; the posterior 

 segments of the body uncovered. 



Lagisca flaccida Potts 2 ). 



Siboga-expedition, Stat. 305, Solor-strait. 



A specimen, that must be identified with Lag. flaccida Potts, espe- 

 cially characterized by the feature of its elytra, though some of Potts' 

 statements could not be confirmed ; f. i. he mentions, small distinct eyes, 

 whereas in our specimen the eyes are rather large. The elytra are trans- 

 parent, with an opaque ring around the scar of attachment and the outer 

 half (inner according to Potts) of the surface covered with small cylin- 

 drical tubercles, whereas on the innerhalf there is a group of mammiform 

 eminences parallel to the margin. 



1) Nordiska Hafs-auuulater, p. 65. 



2) Loc. cit. p. 339, PL XVIII, fig. 11, PI. XXI, figs. 49 and 50. 



