64: 
THE \^OYAGE OE H.M.S. CHALLENGER. 
The specimens had numerous Globigerince amongst and under their scales and between 
their feet. An Ascidian also occurred on one or two scales. 
This form leads by an easy stage from the genus Iphione to Lepidonotus. The 
general outline of the bristles agrees with Iphione, the head and scales with Lepidonotus. 
A form with small and somewhat spinose rotate papillae on the scales exists in the 
collection of the British Museum from the south side of Cook’s Strait, New Zealand. 
The position of the eyes is similar in both, but the ventral bristles do not show 
the long hair-like spines, which, however, may have been abraded. It is very 
interesting to find a form closely approaching Euphione elisahetliCB in a region so 
distant. 
Lepidonotus, Leach. 
Lepidonotus squamatus (Linn). 
Procured by the dredge at Station 75 (offFayal, Azores), July 2, 1873; lat. 38° 38' N., 
long. 28° 28' W. ; depth, 4.50 fathoms; surface temperature, 70°‘0 ; volcanic mud. 
The sjDecimen is a small one, with a few Foraminifera parasitic on the scales. Verrill 
and Webster state that it occurs on the Virginian coast. North America. 
Lepidonotus gymnonotus, Marenzeller (PL X. fig. 4 ; PI. XVII. fig. 5 ; PI. IXa. 
figs. 2, 3). 
Polynoe {Lepidonotus) gymnonotus, Marenzeller, Sudjapanisclie Anneliden, i. p. 4, Taf. i. fig. 3, 
Wien, 1879. 
Dredged in 8 to 50 fathoms water, off Kobe, Japan. 
The length of the longest example is about 30 mm. and the breadth about 15 mm., 
which corresponds with the proportion of Marenzeller’s specimens. His longest reached 
40 mm., with a breadth of 19 mm. 
As in Lepidonotus squamatus the head has an elongated appearance from the fact 
that the antenna, instead of being inferior, are continuations of the anterior border of the 
snout, occupying, indeed, the position of the sharp peaks usually seen in other genera. 
The base of the tentacle is also somewhat inferior. The nuchal collar encroaches much 
on the head, so as quite to cover the tolerably large posterior pair of eyes, which 
are situated somewhat laterally on this region of the head. They are only partially 
seen from the dorsum. The anterior pair are placed on the lateral prominence of the 
head, a considerable portion of each, however, being visible dorsally. The tentacle does not 
reach the length of the tips of the palpi, and its basal region is much encroached on by 
the bases of the antennse. The process exhibits a distinct swelling below the filiform tip, 
and similar features characterise the other cirri, which likewise are smooth throughout. 
