147 



Toxidium gammaroides Lee and T. compression Zimm. Not rare in the 

 same localities. 



Lathridius oarinatus Gyllh. Common on a window of a stable. 

 Lathridius filiformis Aub. Common in old Hour barrels, in company with 

 Mycetophagus bipustulatus Melsh. and Cryptopkagus croceua Zimm. 

 Mycetophagus obsoletus Melsh. One specimen, under leaves. 



" pluripunctatus Lee. Abundant in fungus. 



Litargus infulatus Lee. One specimen, under bark. 



Mijcoiretus sanguinipennis Say and M. pulcher Say. Not rare in a small 

 kind of fungus growing on old logs. 



Triplax festiva Lee. and T. macra Lee. A large colony of both species 

 was found in the end of August, inhabiting a fungus growing on a dead 

 beech tree, in company with Engis lf.-macula.ta Say, Triplax ihoracica Saj . 

 T. flavicollis Lee, Diplocoelus brunneus, Orcliesla castanea Melsh. and other 

 species. 



Laemophloeus adustus Lee. Rare in sweeping on meadows. 

 Monotonia fulvlpes Melsh., M. paralhla Lee, M. picipes Herbst. The 

 two former rarely and occasionally, the latter common on a window of a 

 stable. 



Lithochrus immaculatus Zimm. Very rare on meadows. 

 Onthophilus alternatus Say. Quite common in the sand under decaying 

 fungus and excrements, but very difficult to be seen. 

 Dendrophilus punctulatus Say. In old trees, rarely. 



Nicagus obscurus Lee. This species was common on the 20th of June, 

 flying in the early afternoon, on the shore of Lake Huron, above Port Huron. 

 Tharops obliqnus Say. Abundant on piles of beech wood, in July and Auf. 

 Nematodes penetrans Lee. A single specimen. 



Cardiophorus amictus Melsh. and C. convexulus Lee. Rare near Detroit 

 and Port Huron. 



Helodes explanata Lee. Only one specimen on a meadow, in July. 

 Eucinetus termirtalis Lee. and E. testaceus Lee. rare under dry leaves; 

 E. morio Lee. not rare in fungus. 



Polemius limbatus Lee. Rare on meadows. 



Hydnocera tabida Lee. Several specimens on grass, near the Detroit 

 River. 



Caenocera scymnoides Lee. One specimen by sweeping. 

 Cryptocephalus Schreibersii Suffr. Rare on Cassandra calyculata, in Oc1 

 Stenispa collaris Baly. Several specimens of this rare insect were found 

 under dry leaves near willows, in October. 



Haplandrus concolor Lee. One specimen on the shore of Lake Huron 

 near Port Huron. 



Paratenetus gibbipennis Mots. Not rare under decaying leaves. This 

 species is stouter than /\fuscus Lee., with the elytra almost gibbous and 

 the pubescence much shorter. 



Pentaphyllus pallidus Lee. Abundant in dry fungus. 



