DISTRIBUTION OF COLEOPTEPvA. 9{> 



tral Europe. Sh., 395 ; Turkestan, Heydeii, oo ; Algeria AVehnke 

 (Sh.)- T. iv, 387; var. pundaiits is the form most commonly met 

 with. 



55. C. impressopunctatus Schall., similis, jjicatiis Kirhy, ni<jroIineatus j Kirby. 

 4 lineatus, Mann., porosiis Gebl. 



This species is apparently less abundant than the preceding. It 

 occurs in Massachusetts, New York, Canada, Michigan, Illinois, Lake 

 Superior, Hudson Bay region, Sitka. Europe. Asia Minor, northern 

 and southern Siberia. T. iv, 389 ; Col. Am. 100 ; Sh. 403; Heyden, 

 54. 



56. Deronectes depressus Fab., rotundatus Lee. 



This species occurs in Canada, Harrlnrjion ; New York, Relnecke; 

 Michigan, Schwarz. Europe to 68° 20', in Lapland. S. iv, 392 ; 

 Sh., 428. 



.57. D. griseostriatus DeG., ficatascopi am, interniptus, parallelns Say, p roster- 

 iialis, siiffiifins Sharp). 



Thus constitued the species extends across the northern part of the 



continent from Labrador to Alaska ( Labrador Packard, Hudson 



Bay region, Kirbij ; Alaska, California, Kansas, Lake Superior, Le- 



Conte; Michigan, Schwarz; New York, Relnecke. My specimens 



are from Colorado and Massachusetts. Alpine and northern Europe 



to 69° in Finland. Arctic Siberia (Dudinka). T. iv, 393 ; T. x, 



277 ; Sh., 435 ; Heyden, 54. 



.58. Hydroporus alpinus Pni/k., var. 12-Iineatus hec., ? Ixvis Kirby, var. bo- 

 realis Gyll. 



Occurs at Lake Superior. Canada; hevl)i, Hudson Bay region. 

 Lai)land and Norway to 68°. Arctic Siberia. T. iv, 391 ; Sh., 448 ; 

 Heyden, 54. 



59. H. septentrionalis GyU., scitidus Lee. 



Lake Superior (LeConte, Schwarz). The mountains and northern 

 parts of Europe. Eastern Siberia, the Amur, Dauria. P. vii, 295 ; 

 Sh., 449 ; Heyden, 54. 



60. H. rivalis Gyll., obesus Lee, congruns Lee, Santnarki Sahib. 



This species is described from California and from Colorado (Floris- 

 sant at 8000 feet). Arctic Europe to 68° 50'. Central Europe. 

 Arctic Siberia (Dudinka and Chantaika Rivers, affluents of the 

 Jenisei, 69° 30' to 72°). Sh. 449 ; Heyden, 54. 



