of the Virginian Coast. 49 
slightly concave above. Middle and posterior regions 
rounded. 
Color. The anterior region is white above; the first 
six segments are white below, with numerous brown 
specks, which often run together, forming blotches, which 
may occupy more space than the white; remaining seg- 
ments of this region white. Sometimes the 5th or 6th 
segment is brownish-purple below, in which case the fol- 
lowing one, two, or three segments are flake-white. Middle 
and posterior regions yellowish-white above; white to 
light brown below. Between the segments of the last 
region there is a narrow brown band running down the 
sides. 
Tube. In front white, shining, transparent; further 
back yellowish-white or brown, sometimes transparent, 
sometimes opaque. It is annulated with raised bands, 
which may be black, or white, or of the color of the tube ; 
its diameter 1""°. 
Length of animal, SO-SO"""". 
Diameter of anterior third, 0.5-0.8°"". 
Found in sand at low water; only in one place, but 
there abundant. 
Fam. SPIONID^. 
NERINE Johnston. 
Serine heteropoda n. sp. 
PL. VIII, FIGS. 103-110. 
Head, posterior two-thirds rounded (f. 103), swollen ; 
anterior third suddenly acuminate, conical. Separation 
between head and buccal segment distinct. Buccal segment 
nearly as long as the next four segments together. The 
long tentacles arise at the posterior lateral margins of 
this segment; between their buses are four small black 
eyes, two on each side, all on the same straight line. Just 
