- 153 — 



Fam. Corallinaceæ. 



Lithothamnion l ) glaciale Kjellm., Strörnf., Algveg. p. 18. 



In a depth of 1 — 10 fathoms. One specimen resting- in the Botanical 

 Museum in Copenhagen is said to have been dredged up in a depth of 

 80 fathoms near Grimsey (legit Solling). 



E.Icel. Berufjöröur (Johansen); Reyöarfjöröur, Seyöisfjöröur. 

 N. Icel. Grimsey (O. D.) ; Eyjafjöröur; Skagaströnd (Johansen). 

 SW. Icel. Gustsey, Stykkishölmur; Keflavik by Snæfellsjokull (G.O.J; 

 Reykjavik. 



Lithothamnion Ungeri Kjellm., the Aigæ of the Arctic Sea p. 91 excl. 

 syn.; L. intermedium Strörnf., Algveg. p. 19. 



Abundant in a depth of 10 fathoms in quiet water. 



E.Icel. Seyöisfjöröur. 

 N. Icel. Eyjafjöröur (St.). 

 NW. Icel. Biidudalur. 



Lithothamnion tophiforme Unger, Foslie, The Norwegian Forms of 

 Lithothamnion 1895, p. 119; L. soriferum Strörnf., Algveg. p. 18. 

 In a depth of 5—30 fathoms. 



E.Icel. Reyöarfjöröur; Eskifjöröur (Strömfeit) ; Noröfjöröur (Hörring). 

 N. Icel. Hüsavik (Strömfeit); Eyjafjöröur. 



S. Icel. Eyrarbakki (Strömfeit). One specimen is also said to have 

 been collected south of Iceland (dedit Brusendorff). 



Lithothamnion flavescens Kjellm., The Algæ of the Arctic Sea p. 98. 

 In a depth of 8 — 18 fathoms. 

 E.Icel. Reyöarfjöröur, Seyöisfjöröur. 



Lithothamnion foe run dum Kjellm., The Algæ of the Arctic Sea p. 99. 



In a depth of 10 fathoms. 



E.Icel. Reyöarfjöröur, Seyöisfjöröur. 

 N. Icel. Eyjafjöröur. 



Lithothamnion lære (Strörnf.) Fosl., List of species of Lithothamnia ; 

 Lithophyllum læve Strörnf., Algveg. p. 21. 



At low-water-mark and in a depth of 1 — 20 fathoms. 

 E. Icel. Reyöarfjöröur. 



N. Icel. Eyjafjöröur; in 66° 33' N. Lat., 20° 06' W.Long, in a depth 

 of 44 fathoms (CO.). 



*) The genera Lithothamnion, Phymatolithon, Clathromorphum, Lithophyllum 

 and DermatoJithon have been determined by M. Foslie. 



