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. 
Emphyastes Mann. 
E. fucicola, nigro-piceus, testaceo limbatus, vel totus testaceus, glaber, oblongus; rostro 
sulcis utrinque duabus postice convergentibus, sulcoque antico notato, thorace rotundato sub- 
transverso parce punctato ; elytris ovalibus convexis postice subacutis striatis interstitiis convexis, 
rugose punctulatis punctisque magnis sparsis impressis, 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 sea weed. 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 haud 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 
canaliculato, thorace latitudine haud longiore, antrorsum angustato, lateribus rotundatis, angulis 
posticis acutis prominulis, confertissime punctato, subcarinato ; elytris parallelis apice rotundatis, 
dense rugosis parce squamulosis, fortiter punctato striatis ; postpectore 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 
quadrato, 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-setulosis; 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, corpore 
paulo breviore, arcuato laevigato, thorace latitudine breviore, antrorsum valde angustato, 
lateribus paulo rotundato ad apicem subtubulato, elytris latitudine haud sesqui longioribus, a 
humeris postice sensim angustatis, striato punctatis; femoribus subtus acute dentatis. Long. ‘28. 
Sacramento, Mr. Wittick ; Steilacoom, Dr. Suckley. Resembles much a species which I con- 
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