183 
tract. P 3 somewhat longer than Bi, with a short ciliated tract, a 
bunch of craspedonemes as in p 2 and a well developed cnido- 
glandular tract. Mi mesenteries very long, almost reaching the 
aboral end with a rather long ciliated tract, a very long crasped- 
oneme region sometimes with a bunch of craspedonemes in its 
aboral end, without cnido-glandular tract and craspedion region. 
The other M mesenteries considerably shorter than Mi occupying 
only Vs to V 2 of the subpharyngeal part of the body but struct- 
ured as Mi (the bunches always distinet). Great difference in length 
between M- and m-mesenteries. mi rather long with a rather long 
ciliated tract, a bunch of craspedonemes of the ciliated tract, a 
rather well developed cnido-glandular tract and a rather long cras¬ 
pedion region. The other m-mesenteries considerably shorter than 
mi, all older of these mesenteries of about the same length and 
structure of the filaments as in mi. B- and b-mesenteries with short 
ciliated tract, a bunch of craspedonemes and well developed cnido- 
glandular tract. Rather great difference in length between B and b. 
Arrangement of the quartettes MBmb with some interruptions. 
Colour in formol: Column chocolate-brown, in the uppermost 
part in a small area below the tentacles pale (possibly pale green). 
Marginal tentacles, especially the outer at the base, pale (some¬ 
times pale green), on the rest of the outer side paler or stronger 
violet-brown, along the middle of the inside a white line thickened 
in several places and reminding one of the figure of a ganglion 
Chain, on both sides of this line one broad band (or rarely on some 
tentacles some small bands) of brownish colour. Labial tentacles 
sometimes pale green, sometimes pale brown. Oral disc pale green- 
ish or brownish sometimes with darker radial stripes. Actinophar- 
ynx pale yellowish brown, sometimes one part of the siphonoglyph 
of the same colour. 
Dimensions of two large specimens. Length of the body 15 
cm resp. 20 cm, breadth in uppermost part 3,5 resp. 3 cm. 
Occurrence: Neira, Banda Isl. Low water tD 25 m. 6. 22. 
Danish Expedition to the Kei-Islands. 7 specimens. 
The largest examined specimens was provided with about 125 
marginal tentacles. The marginal as well as the labial tentacles 
were long, the former considerably broader than the latter. I 
have nearer examined two specimens which ‘showed a good agree- 
