26 



COLEOPTERA OF N. A. [hYDROPHILID^. 



Ochthebius Leach. 



^1445. peusylvanica Kiesio. 



1446. punctata Lee. 



1447. margiuicollis Kiesw. 



Hydrophilus Geoff. 



1474. 

 1475. 

 1476. 



1477. 



1478. 



exilis Lee. 

 exiguus Say. 

 infuscatus Lee. 

 punctuhitus Lee. 

 californicus Muts. 

 striatus Say. 

 ordinatus Lee. 

 fraternus Lee. 

 ruyrulosus Horn. 



1479. altus Lee. 



Laccobius Er. 



1480. agilis Band. 



1481. ellipticus Lee. 



Limnocharis Horn. 



1482. piceus Horn. 



Chaetarthria Steph. 



1483. 

 1484. 

 1485. 



atra {Lee). 

 nigrella (Lee). 

 pallida (Lee). 

 uigriceps (Lee). 



Philhydrus Sol. 



1486. norniatus Lee. 



1487. carinatus Lee. 



1488. fucatus Horn. 



1489. nel)ulosus (Say). 



1490. pectoralis Lee. 



1491. cristatus Lee. 

 •1492. bifidus Lee. . 

 /'1493. ochraceus Mels.^- 



simplex Lee. 



1494. reflexipeunis Zimm. 



1495. censors Lee. 



1496. cinctus (Say). 



1497. diflusus Lee. 



1498. luscus Mots. 

 ,^1499. perplexus Lee. 



1500. huiiisculus Mots. 

 Helochares Muls. 



1501. maciilicollis (Mrils.). 



1502. punctatostriatus Horn. 



1503. imbellis Lee. 



1504. limbriatus 3IeJs. 

 semistriatus Zimm. 



1505. lacustris Lee. 



1506. rotundntus (Say). 

 niteus Zimm. 



