EULEPIS MALAY ANA. 167 



by Grube ') in E. hamifera (as I presume), as well as 

 by Treadwell in E. splendida and E. fimhriata, for Auge- 

 ner afterwards stated its presence in E. splendida ^). I 

 suppose, that this remarkable bristle has a different shape 

 in the different species of Eulepis. In both parts of the 

 parapodium the distal end of the acicula has a particular 

 shape ; in the notopodium it is bent like a hook and in 

 the neuropodium it is enlarged to a transverse lamella, 

 like the head of a hammer. Presumably this represents 

 the „auffallendes braunes breites etwas mondförmigcs 

 Plattchen", mentioned by Grube on page 53. The ventral 

 cirrus consists of an enlarged, lamellar basal portion and 

 a clavate terminal appendage. The small worm of Station 

 204 has a long unpaired anal cirrus, extending over five 

 segments. 



Of the five described Eidepis-s^&oiQQ four are found 

 in West-Indian waters and E. hamifera only was dred- 

 ged in the neighbourhood of the Malay Archipelago 

 (Philippines). Unfortunately Grube had but a single 

 specimen at his disposal and therefore his observations 

 appear to be somewhat incomplete. However I think that 

 the Siboga-species cannot be identified with it ; for according 

 to Grube, E. hamifera has the surface of the scales 

 densely covered with short papillae, whereas there occur 

 long ones along their exterior and posterior border. The 

 anterior eleven pairs of elytra are situated on segment 2, 

 4, 5, 7, 9 — 21 ; segments 22 — 27 bear lamellar organs, 

 somewhat resembling elytra, whereas in the posterior body- 

 region all segments are provided with scales. Whether 

 the appendages, occurring on the segments without elytra, 

 are real cirri, remains somewhat dubious; they consist of 

 a large, lamellar, basal portion and a short distal part, 

 but Grube could not recognize the presence of cilia and 

 does not know if they have branchial function. With 



1) Annulata Semperiana: Mem. del' Acad. Imp, d. Sc. de St.-Pétersbourg 

 (S. 7) t. XXV, 1878, p. 52. 



2) Westindische Polychaeten: Bull, of the Museum of Comp. Zoology at 

 Harvard College in Cambridge, Vol. 43, 1901—08, p. 128. 



Notes from the Leyden ]VIuseum, Vol. XXXV. 



