DISTRIBUTION OF COLEOPTERA. 115 



173. S. tarsalis Ljungh, reconditus Casey. 



Mr. Casey doubts this synonymy, Bull, vi, 1^61, Calif. Acad. Sci. 

 This species occurs in Massachusetts, Lake Superior and Iowa (Casey, 

 174). Ottawa, Canada, Harrington. Taken by Mr. Schwarz at 

 Alameda, Garland and Veta Pass, Col., at 9400 feet. Europe. W. 

 Siberia. Turkestan. Heyden, 78. 



174. S. argus Grav., ageus Casey {Schwarz and Ulke to Blanchard). 

 Massachusetts. Europe. Siberia (at the mouth of the Jeuisei). 



Heyden, 78. 



175. S. alpicola Fauv. 



North America. Europe (Switzerland, Redeniont, the Pyrenees). 



176. S. sibiricus Sahib. 



Alaska. Arctic and east Siberia. Heyden, 78. 



177. Lithocharis ochracea Grav. 



This and obsoleta have probably been introduced from Europe, as 

 they live about stables. Occurs in Michigan, Schwarz; Massachu- 

 setts, Blanchard. 



178. L. obsoleta Nord. 



My native specimens of this and the preceding species are from 

 Mr. F. Blanchard, Massachusetts. Ottawa, Canada ; Harrington, 

 in litt. 



179. Psederus riparius Fab. 



The occurrence of this species in North America is not yet well 

 established, but is quite possible, as it occurs in Arctic, west and 

 east Siberia and Amurland. Proc. Bost. Soc. Nat. Hist, xix, 6 ; 

 Heyden, 77. 



180. Hypocyptus long-icornis Payk., Ziegleri Lee. 



Ziegleri was described (N. S. 30) from a specimen found at York, 

 Pa.; Massachusetts, Blanchard. Europe. T. vi, ^'o and 124. 



181. Tachinus pallipes Grav., frigidus Er. 



This species occurs here in Pennsylvania abundantly. " Pennsyl- 

 vania to Canada, Alaska and California," Horn, T. vi, 101. Cen- 

 tral and northern Europe. Col. Am. 122. 



182. T. circunicinctus Maekl., basalis Er. 



Occurs in Canada ; Michigan, Kansas, Vancouver, Alaska, 1. c 

 102. Boreal Russia; Ural; eastern Siberia (the affluents of the 

 Jenisei and Amur). Heyden, 69. 



