. The Canadian field-naturalist. 5 â. Figure 3. (1) Scenedesmus bijiiga; (2) Ankistrodes- mus falcatiis; (3) Chrysosphaerella longispina; (4) Dinobryon vanhoeffenii; (5) Eunotica curvata var. capitata. A number of genera such as Crucigenia (Figure 6) and Geminella occurred only in Kidder and Ramsay Lakes. Even more strik- ing, six of the seven Eunotia species found in the five lakes occurred only in Ramsay and Kidder, indicating the similarity of these two bog lakes. The phylum Pyrrophyta, which includes the dinoflagellates, displayed a rather interesting transition. With the exception of Cera
. The Canadian field-naturalist. 5 â. Figure 3. (1) Scenedesmus bijiiga; (2) Ankistrodes- mus falcatiis; (3) Chrysosphaerella longispina; (4) Dinobryon vanhoeffenii; (5) Eunotica curvata var. capitata. A number of genera such as Crucigenia (Figure 6) and Geminella occurred only in Kidder and Ramsay Lakes. Even more strik- ing, six of the seven Eunotia species found in the five lakes occurred only in Ramsay and Kidder, indicating the similarity of these two bog lakes. The phylum Pyrrophyta, which includes the dinoflagellates, displayed a rather interesting transition. With the exception of Ceratium hirundinella (Figure 4) which was present in all five lakes, no other pyrrophyte taxa were present in either Meach Lake or Lac Philippe; Pink had three taxa, Kidder four, and Ramsay five. The presence of large numbers of des- mids and acidophilic diatoms such as Eunotia KIDDER CHRYSOPHYTA. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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