BIOLOGICAL SURVEY OP WOODS HOLE AND VICINITY. 
805 
Ectocar pus f ascicyilatus Harvey. 
Common, attached to Chordaria, Chorda, Lami- 
naria, and other larger algae. Dredged by the 
Survey, 5 to 8 fathoms, over sandy and stony 
bottoms. 
In the summer off exposed points as at Gay Head 
and Sow and Pigs, probably common in the 
winter and spring at Woods Hole. 
Woods Hole: Grassy Ledge (MacRae). Nobska 
(Far low). 
Buzzards Bay: Lower portion — 7656, many on 
Chorda filum. 
Vineyard Sound : Inshore — Sow and Pigs station 
37, few; Gay Head stations 50 and 51, many 
on algae; also off Devils Bridge, August 17, 
1903, haul 5, many on Laminaria. 
Spring 1904 (MacRae), summer, probably at all 
seasons. 
Farlow, 1873, p. 286, Gay Head, Nobska. 
Ectocarpus granulosus (English Botany) Agardh. 
Occasional, attached to Sargassum and other 
algae. 
Woods Hole: Grassy Ledge (MacRae). 
Summer, December 30, 1904 (MacRae). 
Ectocarpus granulosus var. tenuis Farlow. 
Occasional. 
Woods Hole. Gay Head (Farlow). 
Farlow, 1873, p. 286 ( Ectocarpus Durkeei Harvey), 
Gay Head; Farlow, 1876, p. 710 ( Ectocarpus 
Durkeei Harvey), Woods Hole; Farlow, 1881, 
p. 70, Woods Hole. 
Ectocarpus lutosus Harvey. 
Occasional, attached to Fucus. 
Woods Hole. 
Summer. 
Farlow, 1881, p. 72, Woods Hole. 
Ectocarpus Mitchellce Harvey. 
Occasional, on woodwork, goose barnacles ( Lepas ) 
and on Chorda. 
Floating in Vineyard Sound attached to timber 
and goose barnacles. Near Edgartown (Jeme- 
gan). 
Summer, November, 1896 (Jernegan). 
Farlow, 1876, p. 710; Farlow, 1879, p. 72, 73, 
Nantucket; Collins, 1891, p. 337, 338, near 
Edgartown (Jernegan); P. B.-A., fas. vn, no. 
321, Edgartown , on Chorda attached to an old 
wreck, November, 1896 (Jernegan). 
Ectocarpus ovatus Kjellman. 
Occasional, on mussel shells ( Mytilus ). 
Woods Hole: Grassy Ledge (MacRae). Edgar- 
town (Colt). 
Ectocarpus ovatus — Continued. 
April 22, 1904 (MacRae); February, 1892 (Colt). 
Collins, 1896b, p. 459, Edgartown, February, 
1892 (Colt). 
Ectocarpus penicillatus J. Agardh. 
Occasional, attached to larger algae, and Zostera. 
Woods Plole: Grassy Ledge (MacRae). 
Spring, 1904 (MacRae). 
Ectocarpus siliculosus (Dillwyn) Agardh. 
Very common, attached to Scytosiphon and other 
algae, Zostera, on stones, and woodwork of 
wharves. Dredged by the Survey in 3 to 5 
fathoms, occasionally in deeper water (7 to 13 
fathoms), over sandy and stony bottoms. In 
the summer common in the lower portions of 
Buzzards Bay and Vineyard Sound. 
Woods Hole: Grassy Ledge, Little Harbor. 
Buzzards Bay: Inshore — Cuttyhunk, station 
100, very abundant; 101 and 102, few; 103, 
many; 104, very abundant; Pasque 82, few. 
Drifted fragments, 7637 and 7663. 
Vineyard Sound: Westerly portion — 7717 and 
7728, few on Polysiphonia nigrescens. Narrow 
portion — 7525 bis, 1 on Sargassum. Inshore — - 
Robinsons Hole, station 21, few on algae, 
Quicks Hole 29, many on Zostera; Cuttyhunk 
38, many on algae; Gay Head 50, 51, 44, and 
45, few on algae; also off Devils Bridge August 
17, 1903, haul 3, few; 4, many on algae; Me- 
nemsha Bight, August 9, 1904, very many on 
Zostera; Marthas Vineyaird 63, few on stones. 
Spring, summer, probably at all seasons. 
Farlow, 1873, p. 286 ( Ectocarpus viridis Harvey), 
Woods Hole; P. B.-A., fas. vn, no. 319a, Edgar- 
town, November, 1896 (M. W. Jernegan). 
Ectocarpus siliculosus var. hiemalis (Crouan) 
Kuckuck. 
Common, on stones, woodwork, and algae. 
Woods Hole: Great Harbor, Grassy Ledge, Little 
Harbor. Edgartown (Jernegan). 
Summer, December (Jernegan). 
Farlow, 1881, p. 71 ( Ectocarpus confervoides var. 
hiemalis Kjellman), Woods Hole (?); P. B.-A., 
fas. vin, no. 372, Edgartown, December, 1896 
(M. W. Jernegan). 
Ectocarpus tomentosus (Hudson) Lyngbye. 
Occasional, attached to Fucus and other algae. 
Woods Hole: Grassy Ledge (MacRae). 
Summer, December 30, 1904 (MacRae). 
Pylaiella littoralis (Linnaeus) Kjellman. 
Occasional, attached to wharves and larger algae. 
Woods Hole: Grassy Ledge, Eel Pond, Little 
Harbor. Gay Head. 
Spring; summer. 
