802 
bulletin of the bureau of fisheries. 
Endodenna perforans Huber. 
Probably common, growing in the tissue of faded 
and dead leaves of Zostera. 
Mattapoisett (Collins). 
September, 1906 (Collins). 
P. B.-A., fas. xxxni, no. 1625, Mattapoisett, Sep- 
tember 9, 1906 (F. S. Collins). 
Endodenna viride (Reinke) Lagerheim. 
Occasional, growing in the cell wall of Seirospora 
Griffithsiana . 
Falmouth (Collins). 
September, 1883 (Collins). 
Collins, 1906a, p. 123, 124, Falmouth, September, 
1883. 
Pilinia Reinschii (Wille) Collins. 
Common, on shells of Turritella. 
Woods Hole: Along Buzzards Bay (Collins). 
Pilinia Reinschii — Continued. 
Summer of 1905 (Collins). 
Synonym, Acroblaste Reinschii Wille of Collins’ 
(1900) list. 
Pringsheimia scutata Reinke. 
Occasional, on Zostera and larger algae. 
Waquoit Bay, Falmouth (Setchell). 
July 21, 1890 (Setchell). 
Specimen in herbarium of Marine Biological 
Laboratory, collected by W. A. Setchell. 
Tellamia contorta Batters. 
Common, forming a thin superficial coating on 
shells of living Littorina palliata. 
Woods Hole. 
Summer, undoubtedly at other seasons. 
Found by F. S. Collins, summer of 1905. 
Order SIPHONOCLADIALES. 
Family CladophoracfzS. 
Chatomorpha area (Dillwyn) Kiitzing. 
Occasional, on rocks. 
Woods Hole: Off Juniper Point. Gay Head. 
Summer, probably at all seasons. 
Farlow, 1873, p. 293, Gay Head. 
Chatomorpha Linum (Flora Danica) Kiitzing. 
Common, unattached, in wiry masses over 
muddy or sandy bottoms in shallow water. 
Dredged by the Survey in 5 fathoms, over mud. 
Woods Hole: Off Juniper Point. Nobska. Gay 
Head. 
Buzzards Bay: Inshore — Cuttyhunk, station 100, 
few; Nashawena, station 79, fragment. 
Vineyard Sound : Inshore — Menemsha Bight July 
17, 1905, haul 3, few. 
Summer, probably at all seasons. 
Farlow, 1873, P- 2 9 3 ( Chatomorpha sutoria 
Berkeley), Gay Head; Farlow, 1873, p. 293 
(' Chatomorpha litoria Harvey), Gay Head; 
probably refers to Chatomorpha Linum. 
Chatomorpha melagonium (Weber & Mohr) Kiitz- 
ing. [Chart 228.] 
Common, on rocks and stones in fairly deep water 
off the exposed points of Gay Head and Cutty- 
hunk. Dredged by the Survey over sand, 
gravel, and stones in 4 to 9 fathoms. Fre- 
quently washed ashore at Gay Head and 
Cuttyhunk. 
Vineyard Sound: Inshore — Cuttyhunk, stations 
32, 33, and 34, few; Sow and Pigs 37, few; Gay 
Head 44, 45, 56, 57, 58, and 60, few; also off 
Devils Bridge August 17, 1903, hauls 3 and 4, 
many; Marthas Vineyard 65 and 74, few. 
Drifted fragments, 7719, 7721. 
Summer, winter, undoubtedly all seasons. 
Chatomorpha melagonium — Continued. 
Farlow, 1873, p. 293 ( Chatomorpha Picquotiana 
Montagne), Gay Head; Farlow, 1881, p. 47 
[Chatomorpha Picquotiana (Montagne) Kiitz- 
ing], Gay Head. 
Cladophora albida (Pludson) Kiitzing. 
Common, on rocks below low water. 
Woods Hole: Off Juniper Point. 
Summer. 
P. B.-A., fas. xxv, no. 1227, Juniper Point (But- 
lers Point), Woods Hole, August 14, 1904 (F. S. 
Collins). 
Cladophora albida var. refracta (Wyatt) Thuret. 
Common, on rocks, stones, and larger algae below 
low water. 
Woods Hole: Juniper Point, Buzzards Bay. 
Buzzards Bay: Drifted fragments, station 7668. 
Vineyard Sound: Gay Head, stations 50 and 51, 
many. 
Summer. 
Cladophora arcta (Dillwyn) Kiitzing. 
Abundant, on wharves and stonework below low 
water. 
Woods Hole: Wharves and harbor walls. 
Spring, summer. 
Cladophora expansa (Mertens) Kiitzing. 
Common, in brackish ditches and pools. 
Woods Hole: Salt marsh pools of Penzance. 
Summer. 
A. A. B. Ex., fas. v, no. 210, Woods Hole (W. G. 
Farlow). 
Cladophora flexuosa (Griffiths) Harvey. 
Common, attached to rocks below low water. 
Woods Hole. 
Summer. 
