PREFACE. Vll 



a name in Conchology, is prosecuting the study of Algology 

 with an active intelligent zeal, which has already b.een 

 crowned with much success, and which cannot fail to 

 render her highly distinguished. 



ISFor am I indebted only to the kind naturalists of the 

 sunny south : Scotia^s sons and daughters have also given 

 good aid. Lady Keith Murray has done me the honour 

 of sending me some interesting specimens, gathered by 

 her near Stonehaven, on the north-east coast of Scotland, 

 and I doubt not that she will gather fresh laurels for 

 herself on that rich though rock-bound shore. The Eev. Mr. 

 Pollexfen kindly called on me, and gave me some beautiful 

 Algae from Orkney. Though now residing in London, 

 and though his visits to the north are few and far between, 

 a day^s dredging in' Lerwick Bay comes like a refreshing 

 gleam, reminding him of the days of other years. To 

 the Eev. Gilbert Laing I return my kind thanks for 

 specimens from Orkney and other localities. From Mrs. 

 C. AUardyce, of Cromarty, I have received some beautiful 



