ALCIOPIDAE 117 



The fourth tentacular cirrus is foliaceous and much larger than the two preceding 

 tentacular cirri. In the female the first foot only has the dorsal cirrus converted into a 

 seminal pouch. About the first five feet behind the tentacular region are small and un- 

 developed and usually lack bristles. A normal foot consists of a lanceolate pedal lobe 

 ending in a small cirriform process, a lanceolate dorsal cirrus and an oval ventral cirrus. 

 The bristles are all very long, fine, compound capillaries. Segmental glands are found 

 on every foot behind the second. 



Vanadis violacea, Apstein. 



Apstein, 1893, p. 143, pi. v, figs. 1-4. 



Occurrence. St. 413 (i); 419 (i). 



Specific characters. These specimens are fragmentary and the largest has a 

 breadth of 3 mm. without the feet. The body has a less fragile and transparent appear- 

 ance than that of most Alciopids, and recalls rather that of a bottom-living Phyllodocid. 

 The colour is uniform purplish brown. The head extends beyond the eyes. The pro- 

 boscis has a crown of small papillae and is devoid of lateral tentacle-like processes. 

 There are three short stout pairs of tentacular cirri on separate segments. Of these the 

 middle pair is twice as long as the other two in the present specimens. The fourth 

 segment carries a foliaceous cirrus, below which is a minute process which I take to be a 

 rudimentary pedal lobe. Whether this foliaceous cirrus of the fourth segment is to be 

 regarded as a tentacular cirrus or as the first dorsal cirrus of the body is not clear. 

 Apstein gives four pairs of tentacular cirri in his original description and three pairs in 

 his Plankton Expedition paper of 1900. My own inclination is to give only three pairs 

 of tentacular cirri and to treat the foliaceous cirrus of the fourth segment as part of the 

 body region. The bristles begin with the fifth segment, in which the ventral cirrus is 

 somewhat reduced. 



The feet are stouter than is usual in the Alciopids. Normally there is a lanceolate 

 pedal lobe ending in a small cirriform appendage, a large cordiform dorsal cirrus, and 

 a broadly lanceolate ventral cirrus. The bristles consist of very numerous, long, com- 

 pound capillaries. There are segmental glands both above and below the feet. 



Remarks. The colour and general aspect of solidity of this species are characteristic. 

 The locality of the type specimen described by Apstein is not known. 



Genus Greeffia, Mcintosh 



Body rather massive for an Alciopid and tapered posteriorly. The head does not 

 extend beyond the eyes. There are five tentacles and a pair of enormous eyes. The 

 proboscis carries a pair of long cirriform processes. There are three or four pairs of 

 tentacular cirri. There are no undeveloped parapodia in the anterior region. The feet 

 end in a pair of small, cirriform processes. The dorsal and ventral cirri are foliaceous. 

 There are prominent segmental glands both dorsally and ventrally. The bristles are all 



slender, compound, capillary, swimming bristles. 



8-2 



