80 PAPERS ON ZOOLOGY OF MICHIGAN. 



144. Selenophorus sp. One specimen found under a board, on the 

 northeast beach, June 22. 



145. Anisodadylus harrisii Lee. One specimen found under a board, 

 on the northeast shore, June 24. 



146. Anisodadylus rusticus Dej. Three specimens found under some 

 boards, and one under a stone, on the northeast beach, June 

 19-23. One under a board, on the northeast beach, July 17. 



147. Anisodadylus interpundahis Kirby. One specimen found under 

 debris, on the northeast beach, June 23. 



148. Anisodadylus nigerrimus Dej. Three specimens found under 

 boards, on the northeast beach, June 19. Six running under 

 boards and debris, on the northeast beach, July 17. One under 

 a board, on the northeast beach, July 17. 



149. Anisodadylus discoideus Dej. Six specimens found hunting on 

 the sand near logs, on the northeast beach, June 21. 



150. Anisodadylus haUiniorensis Say. Two specimens found under a 

 log, on the northeast shore, June 19. One found under a board 

 at the water edge, southwest beach, June 20. 



151. Anisodadylus sericeus Harr. One specimen found under a board, 

 on the northeast beach, July 17. 



152. Anisodadylus verticalis Lee. One specimen found under debris,, 

 on the sand of the northeast beach, June 21. 



153. Anisodadylus inter stitialis Say. Two specimens found under a 

 log, on the northeast beach, Jun* 20. 



Dytiscidae. 



154. Laccophilus maculosus Germ. Five specimens found in the rock 

 pools, on the northeast shore, July 16. 



155. Coelambus inaequalis Fab. Six specimens found in the mud of 

 the pond, near the southwest shore, July 17. 



156. Coelambus impresso-pundatus Sch. Two specimens found crawl- 

 ing on the wet rocks, on the northeast shore, June 21. Six taken, 

 by dredging pond, July 17. 



157. Coelambus iurbidus Lee. One specimen taken by dredging pond,. 

 July 17. 



158. Deronedes griseostriatus DeG. One specimen found swimming 

 in rock pool, on the northeast shore, June 23. 



159. Hydroporus laccophilinus Lee. One specimen found in a rock 

 pool, on the northeast side shore, July 17. 



160. Hydroporus undulatus Say. Fifteen specimens taken by dredging 

 pond, July 17. 



161. Hydroporus tristis Vayk. One specimen taken bj^ dredging mud 

 at edge of pond, July 17. 



