338 [December, 



notata, elytris confertim punctatis, margine sutura, scutelloque pallidis, femori- 

 bus testaceis. Long. -42. 



Missouri Territory. The third joint of the antennae is longer than the 2d. 



4. P. congener, picea, capite testaceo, valdeconcavo, thorace pallido, 

 confertissime punctato, marginibus late subito reflexis, disco rufo utrinque 

 infuscato, elytris confertissime punctatis, margine sutura, scutelloque pallidis, 

 femoribus pallidis, apice fuscis. Long. -43. 



One specimen ; Georgia ; antennse with the third joint a little longer than 

 the second. 



Div. 2nda Tekpltori. 



Abdomen saepius 6-articulatum,* segmentis nullis phosphoreis ; antennae dis- 

 tantes ; tarsi articulo 4'" usque ad basin fisso. 



* AntcnnJB articulo 2"*^" roinuto. 

 Chauliognathus Htz, 



Palpi articulo ultinio paulo dilatato ; antennae articulo 2ndo minuto, 3iosequen- 

 tibus breviore ; thorax margine integro ; ungues simplices. 



For the curious structure of the maxilla of this genus see Hentz in Trans. 

 Amer. Phil. Soc. 3, 460. 



1. C. pensylvanicus. Telephorus pensylvanicus De Geer. 4, tab. 

 17, 15; Cantharis ar/iericana Forster. Cent. Ins. 50; Canth. bimaculata Fabr. 

 Ent. Syst. 1, 216; Syst. El. 1, 298; Tel. himuculatiis 01.-26, 2, 11 ; Chauliog- 

 nathtis bimaculatus Hentz. Trans. Am. Phil. Soc. 3, 461. Abundant every- 

 where. 



2. C. H e n t z i i , luteus, thorace quadrato, subtransverso, lateribus 

 anguste marginatis, medio nigro-vittato. subcanaliculato, elytris macula utrinque 

 postica, saepe ad basin extensa scutelloque nigris, subtus piceus, fcmorum 

 posticorum basi abdomineque testaceis. Long. -4. 



Very similar to the preceding, but the thorax is not margined in front, and 

 the black spot extends to the apex, the head and antennae are black. Northern 

 and Southern States; rare. 



3. C. marginatus Hentz. 1. 1. 3, 460 ; Cantharis marginata Fabr. 

 Ent. Syst. 1, 216 ; Syst. El. I, 298. 



Abundant, especially in the Southern States ; a variety in which the black 

 occupies the whole of the elytra, leaving only a narrow marginal and sutural 

 line yellow, is the Calllanthia philadelphlca Dej. (;at. 



POLEMIUS. 



Palpi articulo ultimo triangulari; antennas eompressae, serratae, articulo 2ndo 

 minuto, 3io sequentibus non minore : thorax margine laterali ad medium 

 interrupto : ungues simplices, externo postico ad basin dilatato. 



* When it has seven articulations, the last is small and presents the appearance 

 of an anal joint. 



