108 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
present at the distal ends of both podal lobes but not conspicuous. 
Simple spinose setae are present from the third setiger, numbering 
three to five in a parapodium, but nowhere conspicuous. The ap- 
pendage of heavier neuropodial setae tapers distally and terminates 
in a very fine, though distinctly bifid, tip, canaliculate along its 
length. There are one or two coarser setae with simple appendage, 
the tip bifid, the accessory tooth long, sheathlike. Elytra are translu- 
cent, with fringe on the outer margin, in a single row. Elytral spines 
are triangular, conical. 
The identity of S. articulata Kinberg, from Rio de Janeiro, with 
S. tertiaglabra and S. hancocki (both from southern California) was 
not suspected until the type of the first was reexamined. This was 
made possible through the courtesy of Prof. Sixten Bock, of the 
Swedish State Museum. The characteristic neuropodial setae and 
conical elytral spines are unique features of this species. 
Genus PSAMMOLYCE Kinberg 
PSAMMOLYCE FLAVA Kinberg 
FIaure 8, h 
Psammolyce flava KINBERG, 1855, p. 388; 1910, p. 31. 
Eupholoé acuminata TREADWELL, 1934, p. 3 (U.S.N.M. No. 20032; off Puerto Rico). 
The prostomium has a stout median antenna and four minute eye 
spots embedded in the anterior frontal portion of the lobe. The 
paired ventral eyes are larger but can be seen only by pushing aside 
the median antennal base. Paired antennae are tiny, inconspicuous, 
and inserted near the inner bases of the first setiger. The median 
antenna is long and slender and extends distally as far as the setae 
of the first segment but is surpassed by the long, smooth palpi. 
Parapodia are biramous, with conspicuous, flangelike ctenidia on 
the dorsal face of notopodia. The third segment has a slender, short 
cirrophore and a short elytral cirrus immediately ventral to it. A 
style is no more present. Elytral cirri are present from the second 
segment, on the outer base of the elytrophore. 
Elytra are subovate, without lateral processes, but with fringe on 
all except the anterior margin; most of the dorsal surface is encrusted 
with fine white sand or shell particles, except where overlain by the 
preceding elytrum. Notosetae are slender, in full spreading fascicles, 
delicately spinous. Neurosetae are much coarser, fewer; all resemble 
one another except that the ventralmost are smaller and finer. They 
have an oblique, articulating surface; the appendage terminates in a 
tapering tip in which the distal end is bifurcated for a distance nearly 
half the length of the appendage (fig. 8, A). This condition is 
seemingly natural, not a result of breakage, since it has been observed 
on all neurosetae that were carefully examined. The shaft is nearly 
