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 Pasque83, 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, i 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, i88i,p. 1 63 , Woods Hole ; A. A. B. Ex., 

 fas. v, no. 184, Gay Head (W. G. Farlow). 



Rhodomela virgata Kjellman. 



Rare. 



Marthas Vineyard (Jcrnegan). 

 Collins, i8g6b, p. 461, 462, Marthas Vineyard 

 (M. W. Jernegan). 



Order GIGARTINALES. 



Family GIGARTINACE^. 



Actinococcus aggrcgaius Schmitz. 



Occasional, epiphytic on Gymnogongrus Grif- 



fithsioe. 

 Back River near Monument Beach (A. W. 



Evans). 



July 27, 1896 (Evans). 

 Specimen in herbarium of Bureau of Fisheries. 



Actinococcus peltccformis 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 Brodicei. 

 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 

 Brodicei 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. 



Ahnfeldtia plicata (Turner) Fries. [Chart 249.] 

 Common, on stones and loose over the bottom in 

 fairly deep water. Dredged by the Survey in 

 i 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. 

 Woods Hole: Near Devils Foot Island. Nobska, 

 Cuttyhunk. Black Rock. 



Ahnfeldtia 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 i 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. lash 

 moss. [Chart 250.] 



Very common, on stones and rocks at low- water 

 mark and below. Dredged by the Survey in i 

 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: Upper portion 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 112, 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. 



