152 JOHX HAMILTON, M. D. 



431. A. piceus OH v., mauritanicus Fab. 



My specimens are from St. Augu-stine, Fla., and New Orleans, 

 La. ; Pliiladelphia, Pa., Horn, 1. c. Alaska, Mann., 1852. 



MELANDRYID.E. 



432. Xylita Isevig-ata Ilelleii., decolorata Raud., hnpresto'ules Payk., discolor 

 Fab. 



This species is apparently not abundant. It inhabits Maine, 

 Canada, the Lake Superior region ; Cincinnati, Dary. Central and 

 northern Europe. Western Siberia, Heyden, 148 ; var. (nigricans) 

 punctulata Mhm. Arctic Siberia, Heyden, 224. 



433. Serropalpus barbatus ffchalL, striatus Helleu., substriatns aud ohsoleius 

 Hald. 



This species is distributed over the northern part of the continent 

 from Maine (my specimens are from there) to Alaska (New York, 

 Canada, Michigan, Lake Superior region, Manitoba, Oregon). Cen- 

 tral and northern Europe. Western and eastern Siberia. Heyden, 

 148; Mann., 1852. 



434. Hypulus {Phlccotria, Dircsea) vaudoueri Mids., fusca Lee. 



(" Widely diffused, but not commonly met with. Extends across 

 the continent from Nova Scotia to California, and as far south as 

 North Carolina," Horn, T. xv, 41) Michigan, Sclnvarz ; Lake Supe- 

 rior, Virginia and North Carolina, LeCo-nte. Two specimens oc- 

 curred here. Europe (France). 



PYTHID^. 



435. Pytho americanus Kirhy, deplanatus, Mann. 



("This species occurs from Canada to North Carolina, and in our 

 fauna represents, and may even be identical with depressus Linn." 

 Horn, 1. c. 46) Cincinnati, Ohio; Kansas (whence my specimens); 

 Buffalo, N. Y. ; Ottawa, Canada ; Marquette, Mich. ; Wisconsin ; 

 Alaska. Depressus occurs in Alpine and northern Europe ; Arctic 

 to the southern parts of eastern and western Siberia. Heyden, 156 ; 

 Nord., 28. 



CEDEMERID^. 



436. Nacerdes raelanura Linn., Oedem. apicalis Say. 



According to Say this species is found in Pennsylvania, Louisiana 

 and other parts of the Union. Two specimens occurred to me here; 

 Cincinnati, Ohio, Z)i«"_(/ ; Kansas, Snoiu. Nova Scotia, Harrington, 



