BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 
821 
Polysiphonia fibrillosa (Dillwyn) Greville. 
Common, on rocks and larger algae at and below 
low-tide mark. Dredged by the Survey in 2 
to xi fathoms, over sandy, and stony bottoms. 
At several scattered stations chiefly in Vine- 
yard Sound. 
Woods Hole: Grassy Ledge, Juniper Point. 
Nobska. Black Rock. 
Buzzards Bay: Inshore — Cuttyhunk 104, one. 
Drifted fragments, 7610, 82. 
Vineyard Sound: Easterly portion — 7759, few. 
Inshore — Robinsons Hole 20, few; Quicks Hole 
29, few; Menemsha Bight July 17, 1905, haul 
2, few. Drifted fragments, 13. 
Summer. 
Farlow, 1876, p. 693, Woods Hole; Farlow, 1881, 
pp. 172, 173, Woods Hole; A. A. B. Ex., fas. 
v, no. 181, Woods Hole (W. G. Farlow); P. 
B.-A., fas. xxv, no. 1244, Juniper Point (But- 
lers Point), Woods Hole, August, 1904 (B. M. 
Davis and Miss L. J. MacRae). 
Polysiphonia Harveyi Bailey. 
Common, on Zosiera in quiet waters. Dredged 
by the Survey in 5 to 10 fathoms, over sandy, 
shelly, stony, and muddy bottoms. At a few 
scattered stations in Buzzards Bay and the 
easterly portion of Vineyard Sound. 
Woods Hole: Eel Pond, Little Harbor. 
Buzzards Bay: Lower portion — 7663, many on 
Zostera. Inshore — Uncatena 117, few on Zos- 
ter a. Drifted fragments, 150, 151 and 138 
on Zostera. 
Vineyard Sound: Easterly portion — 7778, 7779, 
7780 and 7781, few on Zostera; 7782, one; 7783, 
few on Zostera. Inshore — Vineyard Haven 72, 
few on Zostera. 
Summer. 
Farlow, 1873, p. 287, Woods Hole; A. A. B. Ex., 
fas. iv, no. 133, Woods Hole (W. G. Farlow), 
Polysiphonia nigrescens (Dillwyn) Greville. [Chart 
2 47 -] 
Common, in fairly deep water on stones and 
shells and over muddy bottom. Dredged by 
the Survey in 1 to 15 fathoms (most plentiful in 
5 to 10 fathoms), over sandy, shelly, stony, and 
muddy bottoms. Very widely distributed in 
both Bay and Sound. 
Woods Hole: Entrance to Eel Pond. Black 
Rock. 
Buzzards Bay: Upper portion — 7610, 7615, 7636, 
7637, 7638 and 7639, few; 7648, many; 7649, few; 
7654 and 7655, many. Lower portion — 7656, 
Polysiphonia n igrescens — Continued . 
few; 7659, many; 7664, 7666, 7668 and 7672, 
few. Inshore — Sow and Pigs 111, few; Cutty- 
hunk 102 and 112, few; Penikese 113 and 114, 
few; Gull Island 115, many; Nashawena 80 
and 81, few; Pasque 82, few; 83, many; 84, 
few; Naushon 86, 90 and 91, few; Weepecket 
108, 109, and no, few; Penzance 122, one; Scon- 
ticut Neck 163 and 164, few; Mishaum Point 
167, few. Drifted fragments, 7614, 7618, 7626, 
76451 7 6 5 °. r °°- 
Vineyard Sound: Westerly portion — 7581 (1907), 
few; 7717, few; 7718, one; 7724 and 7725, many; 
7726, few; 7728, 7729, 7730 and 7734, many. 
Narrowportion — 7523 bis, one; 7549 (1907), few; 
7551 (1907), few; 7751, one; 7752, many. East- 
erly portion — 7760, one; 7763 (1907), few. In- 
shore — Nonamesset 1, one; Naushon 5, 6, and 7, 
few; 9, one; ix,one; Tarpaulin Cove 18, many; 
19, one; Robinsons Hole 20 and 22, few; Nasha. 
wena 31, two; Cuttyhunk 33, few, 34, many; 
Gay Head 47, few; 49, many; 50 and 51, few; 
59, few; 60, many; 7581 bis, few, 7731, 
many, 7731 (1907), few; Menemsha Bight 53 
and 54, many; also July 17, 1905 hauls 1, 2, and 
3, many; Marthas Vineyard 52, many; 55, 62, 
76 and 77, few; 7761, few. Drifted fragments, 
7532 bis, 7533 bis, 7775, 14, 15. 
Spring, summer. 
Farlow, 1873, p. 287, Woods Hole, Gay Head. 
Polysiphonia nigrescens var. fucoides Harvey. 
Occasional, in fairly deep water on stones and 
over mud. Dredged by the Survey in 5 to 5^ 
fathoms, over gravel and mud at station 33. 
Weepecket and No Mans Land (Farlow). 
Vineyard Sound: Inshore — Cuttyhunk 33 (few). 
Summer. 
Farlow, 1873, P- 287, Weepecket (on Fucus ), No 
Mans Land (10 fathoms). 
Polysiphonia Olneyi Harvey. 
Common, on Zostera in quiet waters. Dredged 
by the Survey at stations 73 and 127, in 2 to 5 
fathoms, over sandy, stony, and muddy 
bottoms. 
Woods Hole: Eel Pond, Little Harbor. Quisset 
Harbor. 
Buzzards Bay: Inshore — Quisset Harbor 127, few 
on Zostera. Drifted fragments, 123. 
Vineyard Sound: Inshore — Marthas Vineyard 
73, many on Chorda filum. 
Summer. 
Farlow, 1873, p. 287, Woods Hole. 
