820 
bulletin of the bureau of fisheries. 
Ckondria tenuissima (Goodenough & Woodward) 
Agardli . 
Very common, on rocks and larger algae below 
low-water mark. Dredged by the Survey at 
station 73, in 2)4 to 5 fathoms, over a stony 
bottom. 
Woods Hole: Grassy Ledge, Juniper Point, Buz- 
zards Bay shore. Nobska. Tarpaulin Cove. 
Black Rock. 
Vineyard Sound: Inshore — Marthas Vineyard 73, 
few on stones. 
Summer. 
Chondria tenuissima var. Baileyana (Harvey) J. 
Agardh. 
Common, on stones and larger algae below low- 
water mark. 
Woods Hole: Grassy Ledge, Little Harbor off 
Juniper Point. 
Summer. 
Farlow, 1873, p. 286 ( Chondria Baileyana Har- 
vey), Woods Hole; A. A. B. Ex., fas. v, no. 
187, Woods Hole (W. G. Farlow). 
Dasya elegans (Martens) Agardh. 
Common, in quiet waters on Zostera, larger algae, 
and occasionally stones. Dredged by the Sur- 
vey in 2 to 13 fathoms, over sandy and stony 
bottoms. A wide and scattered distribution 
in both Bay and Sound. 
Woods Hole: Grassy Ledge, Little Harbor. 
Black Rock. 
Buzzards Bay: Upper portion — 7632, 1 on stone. 
Lower portion — 7674 and 7675, few on Zostera ; 
7656, one, and 7666, one, on stones. Inshore — 
Gunning Point 130, one; Great Hill 154, ion 
stone. Drifted fragments, 7626, 7653. 
Vineyard Sound: Westerly portion — 7734, few. 
Narrow portion — 7733, few; 7751, one; 7753, 
few. Easterly portion — 7755, 7768, and 7770, 
few; 7775, many; 7777, 7778, 7779, 7780, 7781, 
7782 and 7783 , few. Inshore — passageof Woods 
Hole 122, one; Robinsons Hole 21, few on 
stones; Marthas Vineyard 55, few on algae; 61, 
many, and 69, few, on Zostera; 73, 75, and 76, 
many on Zostera. Drifted fragments, 7536 bis, 
77U- 7749. 7759- 
Summer. 
Polysiphonia atrorubescens (Dillwyn) Greville. 
Occasional, on stones in fairly deep water. 
Dredged by the Survey in 2 to 8 fathoms, over 
sandy and stony bottoms. A scattered distri- 
bution at inshore stations off the Elizabeth 
Islands in the lower portion of Buzzards Bay 
and off Marthas Vineyard in the westerly por- 
tion of Vineyard Sound. 
Polysiphonia atrorubescens — Continued . 
Washed ashore on exposed points asatGay Head, 
Cuttyhunk, and No Mans Land. 
Buzzards Bay: Inshore — Sow and Pigs in, few; 
Pasque 82, few. Drifted fragments, 7622. 
Vineyard Sound: Inshore — Gay Head 56, many 
on stones; Menemsha Bight July 17, 1903, haul 
2, few. 
Summer. 
Farlow, 1873, p. 287, Gay Head, Menemsha 
Bight; Farlow, 1881, p. 174, Gay Head. 
Polysiphonia elongata (Hudson) Harvey. [Chart 
246.] 
Common, on stones and rocks in fairly deep wa- 
ter. Dredged by the Survey in 2 to 17 fathoms 
(most plentiful from 5 to 13 fathoms), over 
sandy, shelly, and stony bottoms. Widely 
distributed throughout Vineyard Sound and 
the lower portion of Buzzards Bay. 
Washed ashore on exposed points as at Nobska, 
Cuttyhunk, and Gay Head. 
Buzzards Bay: Lower portion — 7656, one; 7662 
(1907) and 7663, few; 7675, one. Inshore — Sow 
and Pigs in, many; Cuttyhunk 100 and 102, 
few; 101, many; cove west of Cuttyhunk Neck 
27, 1905, many; Penikese 114, few. 
Vineyard Sound: Westerly portion — 7581 (1907), 
few; 7678, three; 7685, many; 7686, one; 7698, 
one; 7701, many; 7702, 7706, 7709, one each; 
7717, few; 7723, many; 7724, one; 7725, few; 
7726, many; 7727, one; 7728 and 7730, few; 7734, 
many. Narrow portion — 7557, 77 33, one; and 
7739, few; 7751, 7752, 7754, one each. Easterly 
portion — 7760 and 7766, few; 7772, 7780, few 
on Phyllophora. Inshore — Robinsons Hole 23, 
one; Quicks Hole 29, one; Cuttyhunk 33 and 
34, many; 38, few; Gay Head 44 and 45, many; 
46, 47, 48 and 49, few; 56 and 59, many; 60, 
few; 7731, many; 7731 (1907), few; also off 
Devils Bridge August 17, 1903, hauls 1 and 2, 
few; Menemsha Bight July 17, 1905, hauls 2 
and 3, many; Marthas Vineyard 55, 64, 65, 68 
and 73, few; Vineyard Haven 7762, few. 
Drifted fragment, 78. 
Summer. 
Farlow, 1873, p. 287, Gay Head, Menemsha 
Bight; Farlow, 1881, p. 172, Woods Hole, Gay 
Head; A. A. B. Ex., fas. v, no. 182, Gay Head, 
(W. G. Farlow); P. B.-A., fas. 1, no. 44, Gay 
Head, August 22, 1892 (W. J. V. Osterhout). 
Polysiphonia fastigiata (Roth) Greville. 
Occasional, attached to Ascophyllum nodosum. 
Woods Plole: Grassy Ledge, Juniper Point, Buz- 
zards Bay shore. Nobska. Black Rock. 
Spring, early summer. 
Farlow, 1873, p. 287, Woods Hole. 
