76 PAPERS ON ZOOLOGY OF MICHIGAN. 



71. Platynus cincticoUis Say. Two specimens found under a log on 

 the northeast beach, June 20. 



72. Platynus parmarginatus Hamilton. Two specimens found under 

 boards, on the northeast beach, June 20. 



73. Platynus reflexus Lee. Six specimens found under boards, on 

 the northeast beach, June 20. 



74. Platynus extensicollis Say. Four specimens under debris, on 

 the southwest shore, June 22. One found under debris, on the 

 northeast shore, July 17. 



75. Platynus extensicollis var. viridis Lee. Two specimens found 

 under a board, on the northeast shore near the lighthouse, July 17. 



76. Platynus errans Say. Two specimens found under debris, on 

 the northeast shore, July 17. 



77. Platynus errans var. suhcordatus Lee. One specimen found under 

 debris, on the northeast beach, July 17. 



78. Platynus moerens Dej. Two specimens found under debris, on 

 the northeast beach, June 20. One found under debris, on the 

 northeast beach, July 17. 



79. Platynus tenuis Lee. Three specimens found under washed up 

 debris, on the northeast beach, June 20. One found under washed 

 up debris, on the northeast shore, July 17. 



80. Platynus atratus Lee. Two specimens found under boards on 

 the debris on the northeast beach, June 19. One found under a 

 log, on the southwest beach, July 17. One found under a board, 

 on the northeast beach, July 17. 



81. Platynus malanarius Dej. Two specimens found under a log, 

 on the northeast beach, July 17. 



82. Platynus cupripennis Say. Ten specimens found under boards 

 on damp sand, on the northeast beach, June 17. 



83. Platynus excavatus Dej. One specimen found under debris, on 

 the northeast beach, June 17. One found under debris, on the 

 northeast shore, July 17. 



84. Platynus ferreus Hald. Two specimens found under loose bark 

 of water-soaked log, on the northeast shore, July 17. Two 

 found running on wet mud on the rocks of the northeast shore, 

 July 17; very active. 



85. Platijnus bogemanni Gyll. One specimen found on the wet sand, 

 on the northeast shore, June 19. Two found under debris, on 

 the northeast beach, July 17; very active. 



86. Platynus quadripunctatus DeG. Three specimens found under 

 debris, on the northeast beach, July 17; very active. 



87. Platynus linibatus Say. Two specimens found under damp de- 

 bris, near the northeast beach, July 17. 



