8i8 
bulletin of the bureau of fisheries. 
Pleonosporium Borreri (English Botany) Nageli. 
Common, on wharves and larger algae below low- 
water mark. Dredged by the Survey in i to 
6 l /Z fathoms, over sandy, stony, and muddy 
bottoms. A scattered distribution, chiefly in 
the lower portion of Buzzards Bay and west- 
erly portion of Vineyard Sound. 
Woods Hole: Great Harbor (occasional). 
Buzzards Bay: Lower portion, 7675, few. 
Vineyard Sound: Inshore — Naushon 7, one; 
Pasque 24 and 25, many on Phyllophora; 26, 
few on Phyllophora; Cuttyhunk 33, many on 
Phyllophora; 38, few; Gay Head 50 and 51 
few, at base of larger algse. 
Summer. 
Farlow, 1873, p. 291 ( Callithamnion Borreri 
Agardh), Woods Hole; Farlow, 1881, p. 124, 
125 ( Callithamnion Borreri Agardh), Woods 
Hole; A. A. B. Ex., fas. v, no. 193 ( Callitham- 
nion Borreri Agardh), Woods Hole (W. G. 
Farlow). 
Plumaria elegans (Bonnemaison) Schmitz. [Chart 
243 -] 
Common, on rocks and algae below low- water 
mark off exposed points and reefs. Dredged 
by the Survey in 3 to 17 fathoms, frequently 
attached to Chondrus and Phyllophora, over 
sandy and stony bottoms. Distribution re- 
stricted to the vicinity of Gay Head and Sow 
and Pigs. 
Off reefs of Devils Bridge, Gay Head and Sow 
and Pigs. Attached to large rocks at and be- 
low low-water mark on west side of Penikese. 
Between Gay Head and No Mans Land (Far- 
low). 
Vineyard Sound: Westerly portion — 7584, few; 
7719, few on old Phyllophora; 7720, many; 
7728, few. Inshore — Sow and Pigs 36, few, 
and 37, many, on Chondrus and Phyllophora; 
Gay Head 44, few; 57, 58, and 59, many. on 
Chondrus and Phyllophora; also off Devils 
Bridge August 17, 1903, hauls 3 and 4, manyon 
rocks and larger algae, such as Chondrus and 
Phyllophora. 
Summer, probably at all seasons. 
Farlow, 1873, p. 282, 291 ( Ptiloia elegans Bonne- 
maison), between Gay Head and No Mans 
Land; Farlow, 1881, p. 133 ( Ptiloia elegans 
Bonnemaison), Gay Head. 
Rhodochorton memhranaceum Magnus. 
Occasional, on Bryozoa, sertularian hydroids, 
and shells. Dredged by the Survey at station 
65 in 3>2 to 6 fathoms, over gravel. 
Vineyard Sound : Inshore — Marthas Vineyard 65 
(many on Crisia ehurnea). 
Summer. 
Rhodochorton Rothii (English Botany) Nageli. 
Occasional, attached to rocks between tide 
marks. 
Woods Hole: Juniper Point. 
Summer. 
Seirospora Griffithsiana Harvey. 
Common, on stones, shells, Zostera, and larger 
algae below low-water mark. Dredged by the 
Survey in 3 to 10X fathoms, over sandy, shelly, 
and stony bottoms. A scattered distribution 
in both Bay and Sound. 
Woods Hole: Grassy Ledge. Frequently washed 
ashore in abundance at exposed points. 
Buzzards Bay: Lower portion — 7660, few on 
stones. Inshore — Cuttyhunk 104, few; Gull 
Island 1 16, few; Pasque 84, one; Naushon 90, 
one; Quisset 130, few. 
Vineyard Sound: Westerly portion — 7728, many; 
7729, few. Inshore — passage of Woods Hole 
122, one; Nonamesset 2, one; 8, few on larger 
algae; Tarpaulin Cove July 18, 1903, haul 1, 
many on Zostera; Gay Head 49, few on larger 
algae; Menemsha Bight July 17, 1905, hauls 1, 
2 and 3, few; Marthas Vineyard 52, manyon 
larger algae. 
Summer. 
Farlow, 1873, p. 292 ( Callithamnion seirosper - 
mum Griffiths), Menemsha, Gay Head; Farlow, 
1882, p. 68 ( Callithamnion versicolor), Woods 
Hole; P. B.-A.,fas. vm, no. 391, Edgartown, 
July 31, 1897 (M. W. Jernegan). 
Spermothamnion Turneri (Mertens) Areschoug. 
[Chart 244.] 
Common, on larger algae. Dredged by the Sur- 
vey in 1 to 17 fathoms, frequently attached to 
Chondrus, Phyllophora, Polyides, and Sargas- 
sum, over sandy, shelly, stony, and muddy 
bottoms. Widely distributed in Vineyard 
Sound and inshore along the Elizabeth Islands 
in Buzzards Bay. 
Woods Hole: Frequently washed ashore at 
Nobska and in Little Harbor. 
Buzzards Bay: Inshore — Cuttyhunk 100, many 
on Chondrus; 102, few on Chondrus; 112, 
many; Penikese 113, many; Gull Island 116, 
many; 115, few; Pasque 82, few; Naushon 90, 
few, and 96, many, on Phyllophora. 
Vineyard Sound: Westerly portion — 7585, 7588, 
7389 and 7598, few; 7717 and 7719, few on Phyl- 
lophora. Narrow portion — 7321 bis, few, and 
7525 bis, many, on Phyllophora; 7524, 7526 
(1907), few; 7530 bis, few, and 7533 bis, many, 
on Phyllophora; 7537, 7342, 7348, 7551, 7553, 
and 7560, few; 7562, few on Chondrus; 7739, 
few on Phyllophora and Chondrus; 7741, few; 
7749, many on Phyllophora and Sargassum; 
