OX THE MARINE ZOOLOGY OF THE IRISH SEA. 



LIST OF THE MARINE ALGJE. 



[See Reports by Professor R. J. Harvey Gibson, M.A., F.L.S., in ' Fauna; vol. ii. 



p. 1. and vol. iii. p. 65.] 



CYANOPHYCE.F. 



Ord. Chroococcace^e. 



Glceocapsa crejridinum , Thur. ii. 27, 

 iii. 90. 

 Ord. Cham^siphonace^. 



Dermocarpa prasina, Born. iii. 7, A. E. 

 iv., iii. 8G. 91. 

 D. schovshcei, Born. iii. 86, 91. 



Ord. OSCILLABIACEJE. 



SpiruUna tentiissima, Kiitz. iii. SQ, 91. 



S. pseudotenulss'nna, Crn. iii. 86, 91. 

 Oscillaria nigrovrrldis, Thw. ii. 27, 



iii. 91. 



O. corallines, Gom. ii. 27, iii. 91. 

 Phormidhum papyraceum, Gom. ii. 27 



fas Osc. spiralis'), iii. 91. 

 Lyngbya sendplena, J. Ag. ii. 27, iii. 91. 



Lyngbya cestuarii, Liebm. ii. 27, iii. 91. 



L. majuscula, Harv. ii. 27, iii. 91. 



L. spectabilis, Thur. in herb. iii. 91. 

 Symploca hydnoides, Kiitz. iii. 91. 

 Microcoleus ckthonoplastes, Thur. ii. 27, 



iii. 92. 

 Rivularia biasolettiana, Menegh. ii. 26, 



iii. 92. 



R. atra, Roth. R. ii. 26, iii. 92. 

 Calothrix confervicola, C. Ag. ii. 26, 



iii. 92. 



C pulvinata, O. Ag. iii. 92. 



C. scopulorum, C. Ag. ii. 26, iii. 92. 

 Ord. Xostocace^e. 



Anabcena torulosa, Lagerh. ii. 26, iii. 92. 

 Xodularia harv ey ana, Thur. iii. 92. 



CHLOROPHYCE.E. 



Ord. BLASTOSPORACE.E. 



Prasiola stipitata, Suhr. A. R. iv. 8, 

 iii. 92. 

 Ord. Ulvace^e. 



Monostroma grevillei, J. kg. ii. 22, 



iii. 92. 

 Diplonema confervoides, Holm, and 



Batt. iii. 92. 

 Enteromorpha clathrata, J. Ag. ii. 23, 

 iii. 93. 



E. ralfsii, Harv. ii. 23, iii. 93. 

 E. erecta, J. Ag. ii. 23, iii. 93. 

 E. ramulosa, Harv. i. 24, ii. 23, iii. 93. 

 E. perevrsa, C. Ag. var. ramosa. J. Ag. 



ii. 23 (as E. percursa), iii. 93. 

 E. compressa, Grev. i. 24, ii. 23, iii. 93. 

 E. linza, J. Ag. i. 25, ii. 23, iii. 93. 

 E. intestinalis, Link. i. 24, ii. 23, iii. 93. 

 E. canaliculata, Batt. iii. 93. 

 Ulva latissima. i. 314, ii. 23 (as U. 

 lactuca, var. yenuina), iii. 93. 

 Ord. Ulothrichace^e 



Ulothrix implcxa, Kiitz. ii. 24 (as 

 Rhizoclonium), iii. 93. 

 U. isoyona, Thur. ii. 24. 

 Ord. Ch^etophorace^e. 

 Entoderma wittroc7di,\\ r i\le. A. R. iv. 7, 

 iii. 93. 



E. fiustra, Rke. A. R. iv. 7, iii. 93. 

 Ord. Cladophorace^e. 



Urospora pencilliformis, Arcsch. ii. 26 

 (as Conferva yowngana), iii. 94. 

 if. Jtacca, H. and B. ii. 24 (as U. 



flacca), iii. 94, 

 U. iangioides, H. and B. iii. 94. 



Urospora collabens, H. and B. iii. 91. 

 Chcetomorpha tortuosa, Kiitz. ii. 24, , 

 iii. 96. 

 Ch. linum, Kiitz. ii. 24 (as Omf. 



rrassa), 26 (as Conferva sutoria, 



Phyc. Brit,), iii. 96. 

 Ch. melayonium, Kiitz. ii. 23, iii. 96. 

 Ch, cerea, Kiitz. ii. 24, iii. 97. 

 Ch. litorea, H. and B. ii. 26 (as Con- 

 ferva litorea.) 

 Rhizoclonium riparinnt, Harv. i. 24, 

 ii. 24, iii. 97. 



Rh, tortuosum, Kiitz, ii. 24. 

 Rh. arenosa, Kiitz. ii. 25 (as Conferva 



arenosa). 

 Rh. caspar yi, Harv. iii. 118. 

 Cladophora peUucxda, Kiitz. A. R. iv. 8, 

 iii. 97. 

 C. hutchins'ue, Kiitz. ii. 24, 25 (as C. 



diffusa), iii. 97. 

 C. vtriculosa, Kiitz. var. Iretevirens, 



Hauck. i. 25 (as spec.), ii. 25, iii. 97. 

 C.rupest?-is, Kiitz. i.25,ii.24,iii. 12,97. 

 C. ylanceseem, Griff, iii. 97. 

 C. fracta, Kiitz. ii. 25, iii. 97. 

 C. .flexuosa, Griff, i. 24, ii. 25, iii. 97. 

 C. albida, Kiitz. ii. 25, iii. 97. var. 



refracta, H. and B. ii. 25 (as spec), 



iii. 97. 

 C. arcta, Kiitz. ii. 24, iii. 97. 

 C. lanosa, Kiitz. ii. 25, iii. 97. var. 



uncialis, Thur. ii. 25 (as spec), 



iii. 97. 

 C. rudolphhina, Kiitz. ii. 25, iii. 118. 

 C. yro, ',''. , Kiitz. ii. 2">. 



