378 ENTOMOLOGICAL NOTES, 



Genus. — Ischnomera, Stephens. 



Isch. carinata. Caput et antenncs fusca: prothorax rufus, 

 foveis 2 magnis impressus: utrumque elytron, marginaliy 

 suturaliy trihiisqiie intermediis carinis elevatis instructum est ; 

 interstitiis minutissime pimctatis: elytra, abdomen et pedes 

 fusca. (Corp. long. '25 iinc. ; lat. '06 unc.) 

 Inhabits the United States of North America. Mr. Double- 

 day took a single specimen at Trenton Falls. 



Genus. — Synchroa, Newman. 



Generi Serropalpo fiffinis. Caput porrectum, complanatmn, in pro- 

 thorace fere ad oculos reeonditum, prothorace valde an^ustius ; 

 oculi distantes, reniformes, laterales : antennae prothorace longi- 

 ores, articulus 2"'. caeteris valde brevior, 3"'. 4°. paullo longior, 

 11"®. caeteris duplo longior, cseteri subasquales, apicibus paullo 

 incrassatis : maxipalpi 4-articulati, articulis 3 ultimis plerumque 

 apicali, incrassatis : prothorax complanatus, longitudine paullo 

 latior, antice angustior : elytra elongata, fere linearia, complanata, 

 apicibus rotundatis. 



Sync, punctata. Brunnea, lanugine griseo parce tecta : undiqiie 

 regulariter punctata : puncti mediocres, distincti, hqud con- 

 fuentes. (Corp. long. '5 unc. ; lat. 'IS unc.) 



Inhabits Canada and the United States of North America. 

 Mr. Doubleday sent a single specimen from Trenton Falls. 



Genus. — Bolitophagus, Fahricius. 



Boli. silphides. Griseus, obscurus,,lanatus ; prothorax capite 

 triple latior, antice bitiiberctdatm, marginibus rotundatis 

 serratis : elytra valde compla?iata, dorso et postice tuberctdata, 

 margiiiibus dilatatis apice acute serratis. (Corp. long. '375 

 unc. ; lat. "2 unc.) 



Inhabits Canada and the United States of North America. 

 Taken by Mr. Donbleday at Trenton Falls. 



Boli. Tetraopes. Brunnea, concolor ; clypeus recurvus, late- 

 ribus dilatatis : oculi distantes, clypeo fere intersici : prothorax 

 ptinctatus dorso bifoveato, lateribus dilatatis, serratis ; elytra 

 convexa, sidcata, sulcis unicd serie punctorum profundoruni 

 impressis. (Corp. long. 25 unc; lat. '125 unc.) 



