SOME SOUTH ORKNEY ALGE : 197 
Scottish nenere Antarctic Expedition there from March to 
November, 1908 :— 
"Pre crispa Ag.* Sp. Alg. p. 146; Kiitz. Tab. Phye. v. t. 40, 
; De Toni, Syll. Alg. i. p. 112, Saddle Island; Scotia Bay ; 
“Riot Penitivtls, &e. 
ery common on rocks we to several hundred feet, wherever 
there is running water in spri 
species is dabitiopotitnn’” in isertenn including Graham’s 
Land and Cockburn Island, Antarctic 
Seytuthamnus rugulosus De a. Syl Alg. iii. p. 454. Scotia 
Bay, April, 1908; 9-10 fathom 
Also recorded from the Mage Straits and Falkland Islands. 
wip des ager luaurians J. Ag. Sp. Alg. ii. p. 228. Scotia Bay, 
April, 1908 ; ms 
ibuted in the Canary Islands, Cape Verde Islands, Brazil, 
ique 
Tridea sp. Seotia Bay. Minute cuneate fronds of about 1 
long occur on the stones received, in company with the Laghchiiie, 
but it is impossible to determine to which of => species kno 
occur in the Antarctic Ocean this plant belon 
Plocamium secundatum Kiitz. Tab. Phye. xvi. + 42. Scotia Bay, 
April, 1903; 9-10 ares 
The specimens do not exceed 2 cm. in length, and occur on the 
stones bearing the peter but there is no reason to doubt 
that they belong to this spec 
org recorded from Sens” Har. Hermite Island, and Magellan 
Strait 
Petros cruenta J. Ag. Sp. ii. p. 490; Crouan, Fl. Finist. 
p. 147, t. 18, f. 122. Scotia Bay, 9-10 fathom 
This seals occurs on the stones bearing the Lithothamnia. 
Although it is not in fructification, the absence of the zonate lines 
found in P. Middendor fii Kjellm. and the thin basal portion of the 
thallus indicate P. cruenta J. Ag. 
oes not appear to have been previously Pris Bs the 
Antarctic Ocean. Known from Europe and North Am 
Lithothamnion lichenoides Heydr. f. antarctica Fosl. ? Ti of Sp. 
(1898), p. 7; Svenska Exped. till Magell. Bd. iii. No. 4 L. 
oe evar. Lith, Mus. Paris (1901), p. 544. “Beit Bay, 
903. 
Disteeiein. —Hermite Island, Falkland Islands, and Kerguelen. 
* This species was determined by Mr. A. D. Cotton.—R. N. B. B. 
