110 
PACIFIC SCIENCE, Vol. XI, January, 1957 
Acetabularia moebii Solms^Laubach; Dawson 
1954: 397, fig. 13j; Dawson 1956: 43 
D. 13617b, 13660, 13858. 
BROWN ALGAE 
Ectocarpus breviarticulatus J. Agardh; Dawson 
1954: 398, fig. 14a, b; Dawson 1956: 43 
D. 13620, 14037. P. 2803, Bokanjoio Is. 
seaward reef margin, 10/25/54; P. 2804, 
Parry Is. seaward reef flats, 2/5/55. 
Ectocarpus indicus Sonder, in Zollinger; Daw- 
son 1956: 43, fig. 32; Taylor 1950: 95 
D. 13766, epiphytic on Turbinaria , 13950, 
epiphytic on Halimeda and Caulerpa, 13959. 
Ectocarpus irregularis Kiitzing; Dawson 1954: 
398, fig. I4e, f; B^rgesen 1941: 23, figs. 
8-11 
P. 2854a, epiphytic on Dictyota , Bogallua 
Is. lagoon pavement, 11/17/54. 
Ectocarpus mitchellae Harvey; Taylor 1950: 95; 
Dawson 1954: 400, fig. 14c, d; Dawson 
1956: 43; B^rgesen 1941: 7, figs. 1-5 
D. 13979. 
Sphacelaria furcigera Kiitzing; Dawson 1954: 
400, fig. I4h; Dawson 1956: 44 
D. 13696a. 
Sphacelaria novae -hollandiae G. Sonder; Daw- 
son 1954: 400, fig. I4g; Taylor 1950: 97 
D. 13748, 13768, 13936, all epiphytic on 
Turbinaria . 
Sphacelaria tribuloides Meneghini; Dawson 
1954: 400, fig. I4i, j; Dawson 1956: 44 
D. 13622. P. 2812, Bokanjoio Is. lagoon 
on stake in 3 to 8 feet of water, 3/8/55. 
Pocockiella papenfussii Taylor 1950: 98, pi. 54, 
fig. 2; Dawson 1956: 44 
D. 13720. P. 54-31, Mui Is. seaward reef 
under rocks, 3/11/54. 
Pocockiella variegata (Lamouroux) Papenfuss; 
Dawson 1954: 400, fig. 14k; Dawson 1956: 
44 
D. 13775, 13866. 
Dictyota divaricata Lamouroux 1809: 331 
(Mediterranean coast of France); Taylor 
1928: pi. 16, figs. 6-9; Taylor 1950: 101 
Fig. 14^ 
D. 13614 (juvenile), 13691, 13883, 13898. 
P. 2690, IV2 mi. off Rigili Is. at 60 ft., 3/16/55. 
Dictyota patens], Agardh; Dawson 1954: 401, 
fig. 16c 
D. 13938. P. 2854, Bogallua Is. lagoon 
pavement, 11/17/54. 
Dictyota pinnatifida Kiitzing 1859, Tab. Phyc. 
IX: 16, pi. 39 (Antigua, West Indies); 
Taylor 1950: 100 
T. 46-416. Not collected again. 
Dictyopteris repens (Okamura) B^rgesen; Daw- 
son 1956: 44, fig. 34 
D. 13611, 13749. 
Padina australis Hauck 1887: 44 (Cape York, 
North Australia); Weber van Bosse 1913: 
179, fig. 52 
Fig. 14 b 
D. 13678. 
Padina commersonii Bory; Dawson 1954: 401, 
fig. 17; Taylor 1950: 100, pi. 54, fig. 1; 
Dawson 1956: 44 
D. 13830, 14045. In this species the fertile 
zones alternate with hair zones, while in P. 
australis each fertile zone has a hair zone on 
either side separated from the next hair zone 
by a sterile zone. 
Hydroclathrus clathratus (Bory) Howe; Daw- 
son 1954: 403, fig. 18b; Taylor 1950: 96 
D. 13918, 14021. P. 2845, Bokanjoio Is. 
seaward boat passage in 6 ft., 9/30/54. 
