240 THE CANADIAN ENTOMOLOGIST. 



frequent the lake beach. But just as at the ocean, not every species 

 found on the beach is maritime, so at the Great Lake not all species found 

 on saline soil are halophilous. In fact, saline soil seems to possess great 

 attractions to many species, which usually live on the banks of fresh 

 water lakes and streams. This holds especially true of most species of 

 Bembidium which abound at the lake. Thus the number of true halophi- 

 lous Coleoptera inhabiting the sheres of Great Salt Lake probably does 

 not exceed twenty-five distributed in the following families : — Cicindelidae, 

 Carabida- ( Dyschirius, Pogonus, Bembidium^ Tachys), Staphylinidst 

 ( Aleochara, Homalota, Bledms, Thinobius), Histeridse (Saprimis), Chry- 

 ?>om.t\\(lx^( Ga/eruca, Phyilotreta), and Anthicidoe ( JVotoxus,Mecynotarsus, 

 Anthicus, Tanarthrus). How many of these are peculiar to the Salt 

 Lake* it is difficult to tell at present, where still so little is known of the 

 geographical distribution and mode of occurrence of the smaller and less 

 conspicuous Coleoptera. The species found by us will be fully enumer- 

 ated in a list of the maritime and saline Coleoptera of North America 

 which I am preparing. Of particular interest is the occurrence of a 

 species of Pogonus, since this genus was hitherto known in America only 

 from the ocean shore. Comparing the Salt Lake fauna with our maritime 

 fauna, the most striking difference is the absence in the former fauna of 

 Tenebrionid?e and Rhynchophora** which play such prominent role in 

 our maritime fauna. Cicindela Jm-ticoUis and Mecynotarsus candidus 

 appear to be the only species common to the Great Salt Lake and the 

 Atlantic maritime fauna ; but both are not strictly maritime or saline 

 species. A few other species ( Pogonus planatiis, Bembidium ephippigerum, 

 and the genus Tanarthrus) are known to occur also in Southern 

 California, either at the sea shore or at saline lakes^ and this distribution 

 seems to confirm the ancient extent of the Great Salt Lake to the extreme 

 southwest of North America. 



A number of aquatic beetles live in the sulphur springs and salt ponds 

 contaminated with fresh water ; but, with the possible exception of a 

 Ccelambus, they are all species common in fresh water. Phytophagous 



*Most of the species found at the Great Salt Lake will no doubt occur also at Lake 

 Sevier, in Southern Utah, which has never to my knowledge been visited by any 

 entomologist. 



**Tenebrionids of the genera Eleodes, Coniontis and Blapstinus are occasionally 

 found at the Lake, but clearly belong to the desert fauna, while certain species of 

 Sphenophonis, which abound at the roots of rushes, and a few other Rhynchophora arc 

 ikewise not saline species. 



