274 ir. Kirhhojf: 



Tomicus ;7j/<'rrup/HS (IVIamili.Biill Mose. 1852. 357): Elonga- 

 /««, rylinih-icus, Ihorace oblongo-siibijuadralo posiice forlHer punclalo'^ 

 elylris minus profxmde slrialo-punc(afis, inlersliliis ptuiclorum serie 

 dislhirle ornalis. elylris apice olAitjue truncalis, trnnrafura excavala 

 circulari, spalio nitido ptinclato^ niargine apicali elevato, laierali 

 utrinfjue A-dentato, denle tertio majore, primo prope suturam silo 

 a secundo subremolo\ sculello canaliculato. — Long, vix 2 Lin. — 

 Patria: Silka. 



Tomicus tridens (Wann. I. c. 357.): Elongalus. cylindricus, 

 ihorace oblongo-suhijundrato poslice profiindnis punrliUo. elylris siib- 

 tillter slriato-punclalis, inlersliliis inlernis busi laevibtis; elylris 

 apice obli(/ue Iruncalis, Iruncaluru excavala circtilari spalio nilido 

 punclalo^ margine apicali elevalo^ laierali ulrinque 4-denlato, denle 

 ierlio majore, primo prope suturam silo: sculello taevi. — Long. 

 2 Lin. — Patria : America borealis. 



Tomicus Oregonis (Cliapuis in coli.): Oblongus, cylindricus. 

 nilidus^ Ihorace suhquadralo poslice profundius punclalo\ elylris sub- 

 tililer slrialo-punclalis, inlersliliis inlernis basi laevibus : elylris apice 

 oblique Iruncalis , Iriincalura excavala circidari, spalio nilido pun- 

 clalo, margine apicali prolalalo , laierali ulrinque 4-denlalo, denle 

 ierlio coarclalo majore, secundo valido aculo. — Long. 2 Lin. — 

 Patria: America bor. (Oregon). 



Tomicus perlurbalus: Oblongus. cylindricus, subnilidus, 

 ihorace breviter ovalo poslice forliler punclalo; elylris subcrenalo- 

 slrialis, slria suhirali profundiore pone medium forliler ruguloso- 

 punclala, inlersliliis convexiusctdis laetübus, apice oblique Irunca- 

 lis, truncalura excavala spalio punclalo nilido, margine laierali 

 ulrinque i-denlalo, denle 3" majore a primo minima remolo, mar- 

 gine apicali lange elevalo. — Long. 2^ Lin. — Patria: Ämer. bor. 



P ilyophlhorus cribripennis: Elongalus. cylindricus, iho- 

 race obtongo, laleribus snbreclis, poslice minus profunde punclalo. 

 linea media laevi; elylris ad suturam indigesle (extra slrialo-) puu' 

 Cialis, declivilale poslica ad sttluram ulrinque sulcala, sutura sub- 

 elevala margineque laierali sitblilissime granulatis, angtdo apicali 

 aculiusculo. — Long. 1 Lin. — Patria: America seplentr. 



V ilyophlh orus bisul c alus : Elongalus, cylindricus, ihorace 

 oblongo-ovali laleribus subrolundalis. poslice vage sublililer punclalo, 

 linea media laevi. elylris sitbtilius shialo-punclatis, punclis dilalatis 

 inlersliliis inde anguslioribus sjtbrugulosisque ; declivilale poslica ad 

 stiluram ulrinque sulcala, sutura valde etevaia margineque subcal- 



