WISCONSIN PHTTOPLANETON 



191 



PLATE 6. 



Fig. 1. ApfianotJiece nidiilans (x 1000) 



Fig. 2. Aphanothece stagnina (x 825) 



Fig. 3. Aphanothece clathrata (x 1000) 



Fig. 4. Rnabdoderma lineare (x 1000) 



Fig. 5. Gloeothece linearis (x 1000) 



Fig. 6. Gloeoth%ce linearis var. composita (x 1GOC) 



Fig. 7. Dactylococcopsis rapliidioides (x 825) 



Figs. 8-10. Dactylococcopsis acicularis (x 1000) 



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