MARINE ALGiE.— G. DICKIE. 
I can sec no essential difference between Mr. Eaton’s specimens and the plant 
from the northern hemisphere. They agree in habit, and in the arrangement of tlu; 
tetraspores. The articulations arc a little longer than those of British examples. 
1. Codium adhserens, A<J. ; Farlow in Bull. U. S. Nat. Mas. 1870, 3, 31 ; 
Dickie in Journ. Linn. Soo. xv. 203. 
On rocks in about 2 fathoms in Observatory Bay ; frequent, Eaton. (Europe; 
Cape of Good Mope ; Mauritius ; Ceylon ; Australia ; Eriendly and Loo-choo 
Islands.) 
2. Codium tomentosum, Stackh . ; Flor. Antarct. 491 ; Dickie in Journ. 
Linn. Soc. xv., 40. 
Christmas Harbour, Booker. (Tongabu ; Banda Islands ; and the colder seas 
of both hemispheres). 
1. Bryopsis plumosa, Grev.; Flor. Antarct. Dickie hi Journ. Linn. 
Soc. XV. 203. 
Dwarf or very young specimens on Annelid tubes in 5 fatlioms, Observatory 
Bay, scarce, Eaton. (Greenland ; widely distributed throughout botli the tem- 
perate zones, and even in some of the warmer seas). 
1. Vaucheria Dillwynii, Ag. ; Flor. Antarct. ii. 492. 
On the ground amongst Penguin rookeries, Christmas Harbour, Booker. 
1 . XJlva latissima, Linn. ; Flor. Antarct. 499 ; Dickie in Journ. Linn. Soc. 
XV. 47, 203 ; Farlow in Bull. B. S. Nat. Mus., 1870, 3, 31. 
Christmas Harbour, very common, Booker. Royal Sound ; Swain’s Bay, 
Eaton. (Widely distributed in both hemispheres.) 
2. Ulva (i) cristata, Book./, and Bare. ; Flor. Antarct. 499. 
In moist clefts of rocks overhanging Christmas Harbour, growing with Trgp- 
othallus \_Falmodictyon, Ktz.] anastomosans, Booker. 
1. Porphyra laciniata, Ag. ; Flor. Antarct. 500 ; Dickie in Journ. Linn. 
Soo. XV. 40, 203. 
Christmas Harbour, very abundant, Booker. Common in shallow water. Obser- 
vatory Bay. (Temperate and colder seas of both hemispheres.) 
2. Porphyra vulgaris, Ag. ; Flor. Antarct. ii. 500 ; Dickie in Journ. Linn. 
Soc. XV. 40. 
Christmas Harbour, very abundant, Booker. (Widely distributed in the northern 
and southern hemispheres.) 
1. Enteromorpha compressa. Link.; Flor. Antarct. 500; Dickie in 
Journ. Linn. Soo. xv. 40, 203. 
Very abundant on rocks and in tide-pools ; Christmas Harbour, iZooAer; Royal 
Sound and Swain’s Bay, Eaton. (Cosmopolitan). 
2. Enteromorpha intestinalis. Link. ; Flor. Antarct. 500. 
Christmas Harbour, Booker. (Cosmopolitan.) 
