13. Rhodomela lycopodioides , Ag. Ner. Bor. Amer. part 3, suppl. p. 126. 
Hab. Cast ashore on Disco and Whalefish Islands, Dr. Lyall. 
14. Rhodomela gracilis , Kiitz. Ner. Bor. Amer. part 2, p. 26. 
Hab. In rock-pools. Disco and Whalefish Islands, Dr. Lyall. 
15. Polysiphonia urceolata, Grey. Ner. Bor. Amer. part 2, p. 31. 
Hab. Dredged in 10 fathoms, off Cape Cockburn, 75° N. 100° W., Capt. M L Clintock. 
16. Cor allin A officinalis, L. Ner. Bor. Amer. part 2 ,p. 83. 
Hab. Lively Harbour, Isle of Disco, Dr. Lyall. 
17. Delesseria sinuosa, Ag. Ner. Bor. Amer. part 2, p. 93. 
Hab. Off the Greenland Coast, Dr. Lyall. North Shore of Prince of Wales’ Strait, 
Sir B. McClure. Cape Cockburn 75°, and Lowther Island 74°, Capt. McClintock. 
18. Euthora cristata , J. Ag. Ner. Bor. Amer. part 2 ,p. 150. 
Hab. Disco Island, Dr. Lyall. 
19. Rhodymenia inter rupta, Grev. Ner. Bor. Amer. part 2, p. 149. 
Hab. Arctic Sea, Lieut. W. H. Griffiths , B.N 
20. Rhodymenia palmata, Grev. Ner. Bor. Amer. part 2, p. 148. 
Hab. Queen’s Channel, Northumberland Sound, 76° 52' N., Dr. Lyall. 
21. Halosaccion ramentaceum, J. Ag. Ner. Bor. Amer. part 2, p. 194. 
Hab. Whalefish and Disco Islands, and in Queen’s Channel, Dr. Lyall. 
22. Halosaccion dumontioides , Harv. Ner. Bor. Amer. part 2, supp. p. 130. 
Hab. Northumberland Sound, Lat. 76° N., Dr. Lyall. 
23. Kallymenia Pennyi , Dickie. Ner. Bor. Amer. 2, p, 172. 
Hab. Dredged in 15-20 fathoms in Assistance Bay, Dr. Sutherland. Dredged in 
6 fathoms, Queen’s Channel, Lat. 76° 29' N., Long. 96° 13', Dr. Lyall. 
24. Ptilota serrata , Kiitz. Ner. Bor. Amer. 2, p. 222. 
Hab. Arctic Coast, Sir J. Richardson. Whalefish Islands and West Coast of Green- 
land, Dr. Lyall. 
25. Ptilota plumosa, Ag. Ner. Bor. Amer. 2 ,p. 224. 
Hab. Arctic Sea Coast, Sir J . Richardson. 
26. Cladophora arcta , Kiitz. Ner. Bor. Amer. 3, p. 75. 
Hab. Whalefish Island, Davis’s Straits, Dr. Lyall. 
27. Cladophora rupestris, Kiitz. Ner. Bor. Amer. 3, p. 74. 
Hab. Whalefish Islands, Davis’s Straits, Dr. Lyall. Fiskernaes, near Cape Farewell, 
Dr. Sutherland. 
