380 
Calothrix contarenii Bornet and Flahault 
1886: 355 (Adriatic Sea); Tseng 1936r: 170 
Fig. 3; 
LOCAL DISTRIBUTION: Forming dark green- 
ish patches 3-4 cm. in diameter on mangrove 
roots, Sta. 12 (11394). 
Brachytrichia quoyi Bornet and Flahault 
1886: 373 (Marianas Islands); Tseng 
1936c: 170, fig. 1 
Fig. 3^, / 
LOCAL DISTRIBUTION: Growing as blackish- 
green convoluted colonies 1-3 cm. in di- 
ameter at high levels, Sta. 3 (11205, 11430). 
Brachytrichia maculans Gomont 1901: 210, 
pL 5, figs. 5-7 (Koh Chang, Gulf of Siam) ; 
Tseng 1936c: 172, fig. 2 
Fig. 3/, j 
LOCAL DISTRIBUTION: Forming a dark- 
green film (drying black) about 250 ju thick 
at highest vegetation level, Sta. 8 (11254). 
Hydrocoleum lyngbyaceum Gomont 1893: 
75, pi. 12, figs. 8-10 (presumably Cher- 
bourg, France) 
Fig. 37 
LOCAL DISTRIBUTION: Epiphytic on a small 
Hypnea, Sta. 8 (11255a). 
The diffluent sheaths are invisible in the 
preserved material from which the figure was 
drawn. The material is apparently young and 
the trichomes mostly solitary. 
Oscillatoria nigro-viridis Gomont 1893: 
237 , pi. 6, fig. 20 (near Ayr, Scotland) 
Fig. 3g 
LOCAL DISTRIBUTION: Growing on limpets 
exposed at mid-tide, Sta. 1 (11066). 
Oscillatoria margaritifera Gomont 1893: 
236 , pi. 6, fig. 19 (Calvados, France) 
Fig. 3/ 
PACIFIC SCIENCE, Vol. VIII, October, 1954 
LOCAL DISTRIBUTION: Growing on mud 
under mangroves, Sta. 12 (11401). 
Phormidium corium Gomont 1893: 172, 
pi. 5 (Scandinavia) 
Fig. 3^ 
LOCAL DISTRIBUTION: Forming greenish 
patches on mangrove roots, Sta. 12 (11395). 
Symploca hydnoides Gomont 1893: 127, 
pi. 2, figs. 1-4 (Appin, Scotland) 
Fig. 3o, p 
LOCAL DISTRIBUTION: Forming small, dense, 
mat-like patches on rocks at inshore end of 
Cau Da wharf (11080); on mud, Sta. 12 
(11400); forming fasciculate tufts to 2 cm. 
high, Sta. 11 (11407); to 4 cm. high in 1 m. 
depth, Sta. 13 (11435). 
Lyngbya confervoides Gomont 1893: 156, 
pi. 3, figs. 5, 6 (Cadiz, Spain) 
Fig. 3b, c 
LOCAL DISTRIBUTION: Forming a cover of 
slippery, silky filaments on intertidal rocks 
at the end of Cau Da wharf (11300); on inter- 
tidal rocks, Sta. 11 (11406). 
Lyngbya majuscula Gomont 1893: 151, pi. 
3, figs. 3, 4 (Plymouth, England) 
Fig. 3d 
LOCAL DISTRIBUTION: Growing as fine, en- 
tangled skeins to 10 cm. long or more on 
Diplanthera, Sta. 4 (11097). 
The filaments may have thinner sheaths 
than that shown in the figures. 
Lyngbya aestuarii Gomont 1893: 147, pi. 
3, figs. 1, 2 (Jever, Oldenburg, Germany) 
Fig. 3a 
LOCAL DISTRIBUTION: Forming fine, en- 
tangled skeins 3-10 cm. long, Sta. 4 (11171, 
11213). 
