88 PAPERS OX ZOOLOGY OF MICHIGAN. 



Xitidulidae. 



276. Epuraea corticina Erichs. One specimen found under debris, near 



the northeast beach, July 17. 

 277 Phenolia grossa Fab. One specimen taken in fungi, near the 



southwest shore, June 21. 



278. Ips quadrigiittatus Fab. A dark variety found feeding at sap of 

 a sugar maple, near the northeast shore, June 2.3. Two speci- 

 mens taken feeding at sap of a maple, near the lighthouse. July 17. 



279. Ips sanguinolentus OHv. Three specimens taken in decaying 

 fungi on logs, on the southwest shore. June 21. 



Lathridiidae. 



280. Enicmus mi nidus Linn. Two specimens found under cut and 

 dried milkweed, near the southwest shore. June 19. 



281. Enicmus consimilis Mann. Two specimens taken under debris, 

 on the northeast beach, June 24. 



Byrrhidae. 



282. Cytilus sericeus Forst. One found under a log, on the northeast 

 shore, June 25. 



283 Cytilus trivittatus Alelsh. Two specimens taken on a log. on the 

 northeast beach, June 20. 



284. Byrrhus americanus Lee. Four specimens taken on the sand, on 

 the northeast beach. June 25. 



285. Byrrhus kirbyi Lee. One specimen found under a board, on the 

 northeast beach, June 22. 



Heteroceridae. 



286. Heterocerus brunneus Melsh. One specimen found under a 

 board, on the northeast beach, Jime 25. 



Dascylhdae. 



287. Eucinetus testaceus Lee. One specimen foimd in decayed fungi, 

 near southwest shore, June 26. 



288. Prionocyphon discoideus Say. One specimen taken in a pool on 

 the rocks, on the northeast shore. July 17. 



289. Cyphon variabilis Thunb. One specimen taken in fungi, near 

 southwest shore, June 23. 



Elateridae. 



290. Fornax orchesides Newm. Two specimens found under the bark 

 of a dead ash. near the southwest shore. Julv 17. 



