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 1 1 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 Zostera 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- 

 tera. Drifted fragments, 150, 151 and 158 

 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 



247-J 



Common, in fairly deep water on stones and 

 shells and over muddy bottom. Dredged by 

 the Survey in i 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, 

 7 6 37> 7 6 3 8 an d 7 6 39. few; 7648, many; 7649, few; 

 7654 and 7655, many. Lower portion 7656, 



Polysiphonia nigrescens Continued. 



fc\v; 7659, many; 7664, 7666, 7668 and 7672, 

 few. Inshore Sow and Pigs in, 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, 



7 6 45- 7 6 5' I0 - 



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; 

 755 1 ( X 97). few; 7751, one; 7752, many. East- 

 erly portion 7760, one; 7763 (1907), few. In- 

 shore Nonamesset i, one; Naushon 5, 6, and 7, 

 few; 9, one; n,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 i, 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 5^3 

 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 filitni. 

 Summer. 

 Farlow, 1873, p. 287, Woods Hole. 



