17. The Mumichog. Fundulus heteroditus. 



Length, two to five inches. Color, dark olive gaen with yellowish spots, and a little silvery on sides- 

 Lives in shallow water along the shore. 



18. The Fresh Water Killifish. Fundulus diaphanus. 



Length, four inches. Color, olive brown ; sides, silvery with narrow crossbars. 

 Lives in clear streams and ponds. 



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