2 University of A'licJiigan 



made in the east instead of the west portion of the region, 

 they are of interest. 



The writer is indebted to Prof. \\\ 'M. Wheeler, of the 

 ikissev Institution, for assistance in the identification of the 

 forms. The notes under the several species in the following 

 list are from the collector's field book. 



MYRMICINAE. 



Crciuastogaster lincolata Say. — Two lots of this species 

 occur in the collection. The first series collected on June 24 

 was found in a rotten pine log on the Ijurned lands of the 

 region. The second series was taken from a very large colony 

 located in a rotten log in the ]Mne forest along the Sheldrake 

 River. At the time of collection, August 17, hundreds of 

 aleate sexual forms, both male and female, were about to 

 swarm from the nest. 



Aphaenogaster fiilva Roger subsp. aqitia Buckley. — Two 

 colonics of this ant were found in rotten logs in the burned- 

 over areas. 



Myniiica scabrinodis X_\l. var. sch.cnki Emery. — A single 

 colony was found near a marsh l)eneath a much decayed log 

 on August 10. At that time several aleate males and females 

 were ])rcsent in the nest. 



Mynuica hrcvi)wdis Emery var. canadensis Wheeler. — 

 A small colony of this species was found in the earth beneath 

 a fragment of bark in the pine forest west of ^^ermilion. 



DOLICHODBRINAB. 



Tapinonia sessile Say. — A numl)er of colonies of this 

 s])ecies were found about A^ermillion, Ijotli on the plains and 

 in the pine forest. A nest was found beneath the loose bark 

 of a dead tamarack in a rath.er dry swamp, and at tlie time, 



