74 



extend somewhat bevond the neuropodial fascicle ; the ventral cirri are short, conical and hardly 

 reach to the origin of the ventral fascicle. 



12. } Lcpidonohcs squamahis (L.). 



LiNNAEUS, Systema Naturae, I2th Edit., 1766, p. 1084. 



Stat. 115. East side of Pajunga Island, Kwandang Bay (Celebes), Reef. i specimen. 



A small worm, measuring 8 mm. in length and 3Yj, mm. in breadth (with bristles), agrees 

 with regard to the ajjpearance of its scales and bristles very much with Lepidon. squamatns \ 

 unfortunately the head was withdrawn and therefore the situation of the eyes could not be 

 observed. Marenzeller ') and Izuka") also have mentioned this species from the coast of Japan 

 and it was found on the Pacific coast of America by Johnson and Treadwell •'). 



13. Lepidonotus suhiensis n. sp. PI. XVII, figs. 8 and 9. 



Stat. 105. 6°8' Lat. N., 121° 19' Long E. North oft' Sulu Island. Depth 275 M. i specimen. 



At the above-named Station a worm was dredged, that undoubtedly is closely allied to 

 Lepidon. iphionoides Mc Int. *), caught by the Challenger Expedition in Basilian Strait at a depth 

 of 147 M. ; however in my opinion it cannot be identified with it. lts length is about 12 mm., 

 its breadth (with bristles) 6 mm. The head is shining like as porcelain. The eyes are indistinct, 

 situated close near each other on its posterior half. The tentacle is absent. The lateral antennae 

 have a slender basal joint, measuring two thirds of the length of the head ; their distal part 

 is tapering, with filiform tip, nearly as long as the palpi. In Lepidon. iphionoides the antennae 

 (like as the dorsal cirri) have a marked enlargement, coloured by madder-brown pigment, 

 beneath the tip ; this is not visible in the Siboga-specimen. The palps are rather stout, with 

 a short filiform tip-, in Lepidon. iphionoides they are described as "densely papillose"; though 

 this is not represented in the figure. Our specimen has a conspicuous bifurcated nuchal collar, 

 that does not occur in Lepidon. iphionoides. The ventral lobe of the parapodia is much more 

 developed than the dorsal one and is provided with a projecting cylindrical extremity ; its bristles 

 (PI. XVII, fig. 9) agree with those of Lepidon. iphionoides in having their subterminal dilated 

 part furnished with rows, that bear long spinous teeth "almost feathery". However they are in- 

 distinctly bifid, with a rudimentary tooth beneath the tip, whereas those of L^epidon. iphionoides 

 have a simple tip. The dorsal bristles have an acute tip and are provided with fine, indistinct 

 rows. Whereas in Lepidon. iphionoides unfortunately all the scales were absent, they show in the 

 Siboga-specimen a very characteristic feature, being slightly reniform, with a row of rigid, slen- 

 der, cylindrical appendages along their exterior border (PI. XVII, fig. 8). Their total surface is 

 covered with papillae, larger ones near the external margin, smaller ones at the inner-side ; the 

 largest of them consist of a cylindrical shaft, with a crovvn of 4 or 5 triangular spines. 



1) Südjap. Anneliden, III, 1902, p. S. 



2) Loc. cit., p. 12. 



3) Polych. Aonelids of the Pacific coast; Univers. of Califoinia publications, Zoology, Vul. 13 (1914J p. 175- 



4) Loc. cit. p. 116, PI. X, figs. I, 2: PI. Xa, figs. I, 2. 



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