34 List of the St. Laiurence AlgcB. 



new species that may be found in the St. Lawrence, or specimens 

 of Algae from the region at which the fresh and salt waters of the 

 river and gulf come into contact. 



Having made these few observations in a popular form, for the 

 benefit of young readers, we shall now proceed with our detailed 

 catalogue of the specimens referred to : — 



The references to pages and plates are all, except when otherwise 

 mentioned, to Harvey's " Nereis Boreali- Americana." 



Sub-Class. — I. Melanosperme^ or Olive-Colored Alg^e, 



Order /.— FuCACE^. 



'Fucus fastigiatus, J. Ag. P. 68, pi. Ill A. North Shore of 



the St. Lawrence. 

 Fucus nodosiis, Linn. P. 68. Abundant on all the shores of 



the North Atlantic. 

 Fucus furcatus, Ag. P. 70. St. Nicholas, in rock pools, 



within reach of the spray of high tides. This species is 



obtained in Newfoundland, and is apparently rare on 



our shores. Harvey says he is not acquainted with it. 

 Fucus vesicuhsus, Linn. P. 71. Very abundant on all the 



North Atlantic shores; remarkable for its air-vessels, 



which are, however, often absent. 



Order III. — LAMiNARlACEiE. 



Alaria Pi/laii, Grev. P. 89. On rocks near low water mark. 

 This species was first described from a Newfoundland 

 specimen, and no other locality is given by Harvey. 



Laminaria Fascia, Ag. P. 91. On rocks near low water 

 mark. " This species is widely distributed, being found 

 on the Atlantic and Mediterranean shores of Europe, 

 and at the Falkland Islands in the Southern Atlantic." 

 — Harv. 



Laminaria dermatodea, De la Pyl. P. 92. St Nicholas and 

 Point des Monts, North Shore. Newfoundland is the 

 only habitat given by Harvey. On rocks at and below 

 low-water mark. 



Laminaria longicruris, De la Pyl. P. 93. Metis— a fragment 

 from the collection of Mr. D. A. Poe. 



