BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 
823 
Rhodomela subfusca — Continued. 
Woods Hole : Washed ashore at Nobska and along 
the Buzzards Bay shore. Wharf at Gay Head. 
Black Rock. 
Buzzards Bay: Upper portion — 7639, one; 7652, 
one. Lower portion — 7656, one; 7667, one. 
Inshore— Pasque 83, one; Naushon 91, one; 96, 
few. Drifted fragments 7626. 
Vineyard Sound: Westerly portion — 7735, one. 
Narrow portion — 7554 bis, one. Inshore — 
Quicks Hole 29, 2 on stones; Gay Head 56, few 
on stones; Marthas Vineyard 61, 1 on a stone. 
Drifted fragments, 20. 
Rhodomela subfusca — Continued. 
Spring, passing out of season in the summer, the 
plants dredged being well past their prime. 
Farlow, 1873, p. 286, Gay Head, Vineyard Sound; 
Farlow, 1S81, p. 163, WoodsHole; A. A. B. Ex., 
fas. v, no. 184, Gay Head (W. G. Farlow). 
Rhodomela virgata Kjellman. 
Rare. 
Marthas Vineyard (Jemegan). 
Collins, 1896b, p. 461, 462, Marthas Vineyard 
(M. W. Jemegan). 
Order GIGARTINALES. 
Family Gigartinace^. 
Actinococcus aggregatus Schmitz. 
Occasional, epiphytic on Gymnogongrus Grif- 
fithsice. 
Back River near Monument Beach (A. W. 
Evans). 
July 27, 1896 (Evans). 
Specimen in herbarium of Bureau of Fisheries. 
Actinococcus peltaformis Schmitz. 
Rare, epiphytic on Gymnogongrus norvegicus. 
Dredged by the Survey in 7 fathoms off Gay 
Head at station 56, over sand and gravel. 
Vineyard Sound: Gay Head 56, few on Gym- 
nogongrus norvegicus . 
Summer. 
Actinococcus subcutaneus (Lyngbye) Schmitz. 
Common, epiphytic on Phyllophora Brodicci. 
Dredged by the Survey in 4 to 15 fathoms, over 
sandy and stony bottoms. Distribution scat- 
tered in Vineyard Sound, but may be expected 
in both Bay and Sound wherever Phyllophora 
Brodiai occurs. 
Vineyard Sound: Westerly portion — 7583 and 
7595, few. Narrow portion — 7521 bis, many; 
7522 bis, few; 7524 bis, few; 7525 bis, many. 
Inshore — Nonamesset 8, few; Naushon 9 and 
10, few; Cuttyhunk 32, 33, and 34, many; 
Marthas Vineyard 61, 62, and 63, many. 
Summer. 
Aknfeldtia plicata (Turner) Fries. [Chart 249.] 
Common , on stones and loose over the bottom in 
fairly deep water. Dredged by the Survey in 
1 to 14 fathoms (most plentiful in 7 to 13 fath- 
oms), over sandy, shelly, and stony bottoms. 
Distribution chiefly in lower portion of Buz- 
zards Bay and westerly portion of Vineyard 
Sound, and also off East and West Chop. 
WoodsHole: Near Devils Foot Island. Nobska, 
Cuttyhunk. Black Rock. 
Aknfeldtia plicata — Continued. 
Buzzards Bay: Lower portion — 7638, few; 7656. 
few. Inshore — Sow and Pigs in, few; Cutty- 
hunk 112, few; Gull Island 116, many. 
Drifted fragments, 79, 82. 
Vineyard Sound: Westerly portion — 7593, 7598, 
and 7599, few; 7718, one; 7720, few; 7721, one; 
7724 and 7725, few. Narrow portion — 7524 bis 
and 7525 bis, few. Easterly portion — 7760, one. 
Inshore — Robinsons Hole 21 and 22, few; Sow 
and Pigs 36, few; Gay Head 50 and 51, consid- 
erable; 44 and 46, few; 47, many; 48, few; 49, 
considerable; 60, few; also off Devils Bridge 
August 17, 1903, hauls r and 2, few; Marthas 
Vineyard 55, few; 69, two. 
Spring, summer, probably at all seasons. 
Farlow, 1873, p. 290, Gay Head. 
Chondrus crispus (Linnaeus) Stackhouse. Irish 
moss. [Chart 250.] 
Very common, on stones and rocks at low-water 
mark and below. Dredged by the Survey in 1 
to 19 fathoms (most plentiful in 4 to 12 fath- 
oms), over sandy, shelly, and stony bottoms. 
Widely distributed throughout Vineyard 
Sound and in the lower portion of Buzzards 
Bay; less plentiful in the upper portion of the 
Bay. 
Woods Hole: Wharves and harbor walls, Grassy 
Ledge, Juniper Point, Buzzards Bay shore. 
Nobska. Tarpaulin Cove. Black Rock. 
Buzzards Bay: Upperportion — 7610, few. Lower 
portion — 7656 and 7659, many; 7663, 7665, few; 
7668, one; 7670, few; 7672, one; 7673, one. In- 
shore — Sow and Pigs in, many; Cuttyhunk 
100 and 1 12, many; 102, few; Gull Island 116, 
many; Nashawena 79 and 80, few; Naushon 87, 
few; Weepeckets 108, few; Penzance 123, 
many; Gunning Point 130, one. Drifted frag- 
ments, 7652. 
