No. 3566 POLYCHAETA AND AMPHIPODA—REISH AND BARNARD 9 
Scoloplos acmeceps Chamberlin 
Scoloplos acmeceps Chamberlin, 1919, pp. 15-16.—Hartman, 1957, pp. 282-283, 
pl. 30, figs. 1-7. 
MATERIAL.—Stations 7(1), 8(1), 9(13), 10(81), 11(2), 19(2). 
Distrisution.—Alaska south to Mazatlan, Mexico. 
Family Spionidae 
Nerinides acuta (Treadwell) 
Spio acuta Treadwell, 1914, pp. 199-201, pl. 11, figs. 14-20. 
Nerinides acuta (Treadwell).—Hartman, 1941, pp. 294-296, pl. 45, figs. 1-8; 
pl. 47, fig. 29; 1954a, p. 10. 
MATERIAL.—Stations 9(8), 10(45), 11(4), 12(1), 19(2), 22(15), 
23 (2), 27(6), 29(1). 
DistrisutTion.—Central and southern California. 
Boccardia uncata Berkeley 
Boccardia uncata Berkeley, 1927, p. 418, pl. 1, figs. 9-13.—Hartman, 1961, p. 28. 
Polydora (Boccardia) uncata.—Berkeley and Berkeley, 1952, pp. 14-15, figs. 
18-21.—Reish, 1963b, p. 427. 
MATERIAL.— Stations 15(1), 16(23), 23(14), 24(10), 27(2). 
DistrisuTiIon.—British Columbia to Baja California. 
Boccardia polybranchia (Haswell) 
Polydora polybranchia Haswell, 1885, p. 275. 
Polydora (Boccardia) polybranchia.—Berkeley and Berkeley, 1952, pp. 16-17, 
figs. 24-25.—Reish, 1959b, p. 38. 
Boccardia polybranchia (Haswell).—Hartman, 1959, p. 375. 
MatTERIAL.—Station 25(130). 
DistrisuTion.—Europe, Japan, Australia, British Columbia, 
and central and southern California. 
Polydora ligni Webster 
Polydora ligni Webster, 1879, p. 119.—Hartman, 1941, pp. 309-310, pl. 48, figs. 
47-49.— Berkeley and Berkeley, 1952, p. 19, figs. 31-33. 
MaTERIAL.—Stations 15(3), 21(2), 25(8), 27(14), 28(192), 30(83). 
Distrisution.—Both sides of United States, British Columbia, 
Mexico. 
Prionospio cirrifera Wiren 
Prionospio cirrifera Wiren, 1883, p. 409.—Berkeley and Berkeley, 1952, pp. 28- 
29, figs. 52-53. 
MATERIAL.—Stations 23(1), 25(1). 
DistRiBUTION.—Europe, Arctic, India, Bering Sea to southern 
California. 
Prionospio pygmaeus Hartman 
Prionospio pygmaeus Hartman, 1961, pp. 93-95.—Reish, 1963b, p. 427. 
MareEriAL.—Stations 10(1), 15(1). 
221-529—67——_2 
