lJIErica. '^ 23 



COLEOPTERA OF NORTH AJIERICA 



1496. basilaris Harr. 

 1496«. intermedius Cr. 

 149C6. lateeinctus Ler. 



1497. marmoratus Hope. 



Graphoderes Esch. 



1498. liberus Smj. 



1499. fasciatocoUis Harr. 

 perplexus Sharp. 

 elatus Sharp. 



1500. occidentalis iiro)-?i. 



Cybister Curt. 



1501. Olivieri Cr. 



1502. fimbriolatus Say. 



1503. ellipticus Lee. 



1504. explanatus iec. 



Gyrinus Linn. 



1505. minutus Fab. 



1506. rockinghameusis Lcc 



1507. confinis Lcc. 



1508. fraternus Coup. 



1509. ffineolus Lcc. 



1510. limbatus (S^rtj/. 



1511. diohrous iec. 



1512. elevatus Lee. 

 151.3. ven trails Kirby. 



1514. aquiris Lee. 



1515. plicifer Lee. 



1516. eonsobrinus iec. 



1517. maeuliventris Lcc 



1518. canadensis J?('(7. 



1519. affinis Aubc. 



1520. pernitidus Lee. 



1521. a,n&\\s Say. 



1522. Sayi Aubc. 

 152.3. marinus Gyll. 



opacus Sahib. 



1524. peetoralis Lee. 



1525. impressicoUis Kirby. 



GYRINIDvE. 



1526. 

 1527. 

 1528. 

 1529. 

 1530. 

 15.31. 



gibber Lee. 

 boreal is Aiibe. 

 lugens Lee. 

 picipes Aube. 

 corpulentus Heg. 

 parous Say. 

 lateralis Aube. 

 fuscipes Mots. 



Dineutes MacL. 



1532. 

 1533. 

 -15.34. 



1535. 

 1536. 

 1637. 

 1538. 

 15.39. 



vittatus Germ. 

 sublineatus Chev. 

 discolor Aube. 

 angustus Lee. 

 serrulatus Lee. 

 assimilis Aube. 

 analis Heg. 

 emarginatus Say. 

 carolinus Lee. 



Gyretes BruU^. 



1.540. sinuatus Lee. 



compressus Lee. 



HYDROPHII.ID/E. 



Helophorus Fab. 

 1541. fortis Lee. 



1542. 

 1543. 

 1544. 

 1545. 

 1546. 



1547. 



oblongus Lcc. 

 lacustris Lee. 

 obscurus Lee. 

 nitidulus Lee. 

 linearis Lee. 

 ? pusillus Mots. 

 angustulus Mann. 



