26 



COLEOPTERA OF N. A. [HYDROPHILID^E , 



Ochthebius Leach. 

 1438. puncticollis Lee. 



1439. 

 1440. 

 1441. 

 1442. 

 1443. 

 1444. 



interruptus Lee. 

 lineatus Lee. 

 cribricollis Lee. 

 nitidus Lee. 

 fossatus Lee. 

 Holmbergi Mdkl. 



Hydraena Kug. 



1445. pensylvanica Kiesw. 



1446. punctata Lee. 



1447. marginicollis Kiesw. 



Hydrophilus Geoff. 



1448. ovatus H. & G. 

 ovalis || Ziegl. 



1449. triaugularis Say. 



Tropisternus Sol. 



1450. nimbatus Say. 



1451. 

 1452. 

 1453. 

 1454. 

 1455. 

 1456. 

 1457. 

 1458. 



laterally J H b. 

 4-striatus Horn. 

 lirabalis Lee. 

 californicus Lee. 

 sublsevis Lee. 

 glaber (Hb.). 

 mixtus Lee. 

 ellipticus Lee. 

 striolatus Lee. 



Hydrocharis Latr. 



1459. 

 1460. 

 1461. 



1462. 



glaucus Lee. 

 substriatus Lee. 

 obtusatus (Say). 

 grandis Zimm. 

 castus (Say). 



Berosus Leach. 



1463. maculosus Mannh. 



1464. punctatissimus Lee. 



1465. miles Lee. 



1466. pugnax Lee. 



1467. emarginatus Horn. 







1468. styliferus Horn. 



1469. aculeatus Lee. 



1470. subsignatus Lee. 



1471. pantherinus Lc.e. 



1472. peregrinus (Hb.). 



1473. immaculatus Zimm. 



1474. 

 1475. 

 1476. 



1477. 



1478. 



exilis Lee. 

 exiguus Say. 

 infuscatus Lee. 

 punctulatus Lee. 

 californicus Mots. 

 striatus Say. 

 ordinatus Lee. 

 fraternus Lee. 

 rugulosus Horn. 



1479. altus Lee. 



Laccobius Er. 



1480. 

 1481. 



agilis Rand. 

 ellipticus Lee. 



Limnocharis Horn. 

 1482. piceus Horn. 



Chsetarthria Steph. 



1483. 



1484. 

 1485. 



atra (Lee.). 

 mgrella (Lee.). 

 pallida (Lee.). 

 uigriceps (Lee.). 



Philhydrus Sol. 



1486. normatus Lee. 



1487. carinatus Lee. 



1488. fucatus Horn. 



1489. nebulosus (Say). 



1490. pectoralis Lee. 



1491. cristatus Lee. 



1492. birtdus Lee. 



1493. ochraceus Mels. 

 simplex Lee. 



1494. reflexipennis Zimm. 



1495. censors Lee. 



1496. cinctus (Say). 



1497. difl'usus Lee. 



1498. fuscus Mots. 



1499. perplexus Lee. 



1500. latiusculus Mots. 

 Helochares Muls. 



1501. maculicollis (Muls.). 



1502. punctatostriatus Horn. 



1503. imbellis Lee. 



1504. fiinbriatus Mels. 

 semistriatus Zimm. 



1505. lacustris Lee. 



1506. rotundatus (Say). 

 nitens Zimm. 



