22 The Ottawa Naturalist. [April 



1. Macoma fragilis, Fabricius. 5. Balanus crenatus, Brugiiiere. 



2. Saxicava rugosa Linn. 6. Mallotus villosus, Cuvier. 



3. Leda (Portlandia) arctica gray. 7. Cotlus uncinatus, Reinhardt. 



4. Cylichna alba or C. minuta. 



(5) Graham's Brickyard, Ottawa East, collected by H. M 

 Ami, 1893. 



1. Macoma fragilis, Fabricius. 4. Cylichna alba, Brown. 



2. Macoma calcarea ? Chemnitz. 5. Balanus crenatus, Bruguiere. 



3. Leda (Portlandia) arctica, Gray. 6. Natica affinis, Gmelin. 



(6) Nepean, Ont. right bank of the Rideau River and Canal, 

 Manotick Road. Collected by R. H. Campbell, 1891-92. 



1. Macoma fragilis, Fabricius. 5. Balanus crenatus, Bruguiere. 



2. Saxicava rugosa, Linnaeus. A large variety -of this species or a 



3. Saxicava rugosa, var. form intermediate between B. crena- 



4. Mytilus edulis, Linn. (Very abundant). tus and B. Hameri. 



(7) About two miles from Metcalfe, Ontario, collectedb y G. 

 H. Wilson, Ottawa, August 20th, 1895. 



1. Macoma fragilis, Fabricius. 3. Mytilus edulis, Linn. 



2. Balanus crenatus, Bruguiere. 



(8) MacGregor's Lake, two miles north of Perkin's Mills, Que. 

 450 above sea level, collected by Dr. Ells, 1893. 



I. Saxicava rugosa, Linn. — In great numbers, and with a remarkably thick test. 



(9) Near Cantley, Que.: collected by Dr. R. W. Ells, 1893. 



1. Macoma fragilis, Fabricius. 3. Leda (Portlandia) arctica, Gray. 



2. Saxicava rugosa, Liun. 



(10) Besserer's Grove, shore of Ottawa River in calcareous 

 nodules Ontario side. Collected by Dr. R. W. Ells, 1893. 



1. Mallotus villosus, Cuvier. 3. Saxicava rugosa, Linnseus. 



2. Leda (Portlandia) arctica. Gray. 4. Populus balsamifera. 



And a number of other fossil plants which are no doubt similar 

 to these described by Prof. Penhallow from the same locality. 



(11) Chelsea, Que., about ijoo paces north of CJielsea Station 

 along the Ottawa and Gatineau Valley Railway, May 26th, 1894. 

 Collected by members of the Ottawa Field-Naturalists' Club. 



1. Macoma fragilis, Fabricius. 3. Balanus crenatus, Bruguieie. 



2. Saxicava rugosa, Linnaeus. 



