22 University of Michigan 



dant in the vicinity of Naubinway, Mackinac County, in Sep- 

 tember, 1920. Hundreds were attracted to the Hghts, and on 

 one morning thousands were seen on the surface of Lake Mich- 

 igan. They appeared to He in patches, often covering more 

 than one hundred square yards in extent, and occured as far 

 as four miles from the shore. 



180. Bpiseiixis aemula Hbn. — Marquette; July 10. 



181. Episeiixis lubricdis Q^ytr. — Marquette ; July 10. 



182. Zanclognatha lituralis Hbn. — Mackinac; June 15. 



183. Zanclognatha theralis W\k. — Charlevoix ; August 3. 



184. Zanclog-natha inconspicualis Grt. — Mackinac ; June 21. 



185. Zanclognatha laevigata Gvt.{?). — Charlevoix ; August 

 3. Specimen badly worn, so determination is somewhat 

 doubtful. 



186. Renia Havipunc talis Geyer. — Mackinac ; August 6. One 

 specimen taken at light. 



187. Phalaenophana pyranmsalis Wlk. — Charlevoix; June 

 22. Three specimens. 



188. Palthis angulalis Hbn. — Mackinac, Charlevoix; June 

 8-July 28. Three specimens. 



189. Bomolocha deceptalis Wlk. — Mackinac; July 12. One 

 taken at sugar. 



190. Plathypena scahra Fabr. — Mackinac, Charlevoix, 

 Gogebic; June 15-August 29. Common. 



Notodontidae; 



191. Datana ministra Dru. — Mackinac ; June 30. One speci- 

 men taken at light. Larvae which appear to be those of this 

 moth are quite common, but adults are seldom seen. 



192. Heterocampa manteo Dbldy. — Mackinac, Charlevoix; 

 July 2i-August 12. Three specimens. 



