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 

 6X 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 algae. 



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 



243-1 

 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 (Ptilota elegans Bonne- 

 maison), between Gay Head and No Mans 

 Land; Farlow, 1881, p. 133 (Ptilota elegans 

 Bonnemaison), Gay Head. 

 Rhodochorton membranaceum 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 eburnea). 



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 io.K 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 116, 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 i, 

 many on Zostera; Gay Head 49, few on larger 

 alga?; Menemsha Bight July 17, 1905, hauls i, 

 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. VTII, 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 i 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, 

 7589 and 7598, few; 7717 and 7719, few on Phyl- 

 lophora. Narrow portion 7521 bis, few, and 

 7525 bis, many, on Phyllophora; 7524, 7526 

 (1907), few; 7530 bis, few, and 7533 bis, many, 

 on Phyllophora; 7537, 7542, 7548, 75S 1 . 7553- 

 and 7560, few, 7562, few on Chondrus; 7739, 

 few on Phyllophora and Chondrus; 7 741, few; 

 7749, many on Phyllophora and Sargassum; 



