INSECTS COLEOPTERA. 57 



busque pallidioribus ; elytris connatis ovalibus, postice perpendiculariter declivibus, sutura cos- 

 tisque tribus densius, interstitiis parce tuberculatis. Long, •37 — "45. 



Shoalwater Bay, Dr. Cooper. Seems to agree more nearly with Tyloderes than with any 

 other genus, but the thorax is very slightly lobed behind the eyes. 



Emphtastes Mann. 



E. fucicola, nigro-piceus, testaceo limbatus, vel totus testaceus, glaber, oblongus ; rostro 

 sulcis utrinque duabus postice convergentibus, sulcoque antico notato, thorace rotundato sub- 

 trans verso parce punctate ; elytris ovalibus convexis postice subacutis striatis interstitiis convexis, 

 rugose punctulatis punctisque magnis sparsis imj)ressis, pedibus testaceis genubus tibiarum apice 

 tarsique infuscatis. Long. "3. Tab. II, fig. 8. 



Mann. Bull. Mosc. 1852. 



Sitkha and San Francisco, near the sea shore under seaweed. This genus is very remarkable 

 by the tibiae being thick, and much dilated at the apex. A smaller species was found by me at 

 San Diego. 



Lixus Fabr. 



L. auctus, elongatus ater, dense cinereo-pubescens, flavo-pollinosus, fronte puncto impresso ; 

 thorace punctis nigris nitidis paucis notato, latitudine baseos hand breviore, antrorsum angustato, 

 lateribus fere rectis, dorso late minus profunde sulcato ; elytris punctis grossis striatis, ad apicem 

 singulatim longe acuminatis ; femoribus muticis. Long. "5. 



Oregon, Dr. J. K. Townsend. One specimen given to me by Mr. Willcox under the above 

 name. 



Magdalinus Germ. 



M. imbellis, piceo-ferrugineus, rostro sat dense, capite confertim punctato, inter oculos breviter 

 canaliculate, thorace latitudine baud longiore, antrorsum angustato, lateribus rotundatis, angulis 

 posticis acutis prominuHs, confertissime punctato, subcarinato ; elytris parallelis apice rotundatis, 

 dense rugosis parce squamulosis, fortiter punctato striatis ; postpeotore abdomineque nigris ; 

 femoribus subtus unidentatis. Long. "24. 



One specimen found by Dr. Cooper on the journey from Vancouver to Yokolt. 



M. gracilis, magis elongatus niger opacus, capite rostroque confertim punctatis, thorace 

 quadrate, lateribus parallelis antice subserratis, ad apicem subito angustato, et subtubulato, 

 confluenter punctato, linea antica vix laevi notato ; elytris thorace parum latioribus, elytris 

 striis crenatis, interstitiis connexis rugosis uniseriatim albo-setulesis ; femoribus unidentatis. 

 Long. '16. 



San Francisco, not rare. Sufficiently distinct by the above characters from any found in the 

 Atlantic States. 



Balaninus Germ. 



B. uniformis, piceus, undique densissime fulvo-pubescens, concolor, rostro ferrugineo, corpora 

 paulo breviore, arcuate laevigato, thorace latitudine breviore, antrorsum valde angustato, 

 lateribus paulo rotundato ad apicem subtubulato, elytris latitudine baud sesqui longioribus, a 

 humeris postice sensim angustatis, striate punctatis ; femoribus subtus acute dentatis. Long. -28. 



Sacramento, Mr. Wittick ; Steilacoom, Dr. Suckley. Kesembles much a species which I con- 

 8 Q 



