80 



Dttiscid^ 



Ilybius Er. 



2589. suba?neus Er. 30-156 Nfld. r,ali. 



viridiieneus Cr. 73-411 Kans. H.Bay. 



90. pleuriticus Lee. 50-213 Lab. N.H. 



L.Sup. 



91. suffusus Cr. 73-411 Ind. T. 



92. inversus Shp. 82-552 " N.A." 



93. 4-maculatus Aube 38-274 Or. Alas. 



94. ignarus Lee. 62-521 Mieh. N.Y. 



95. angustior (Gyll.) 08-500 Nfld. Lai), 

 picipes Kby. 37-71 [L.Sup. 



Ilybius Er. 



2596. fuliginosus (Fab.) 92-191 

 97. discedens Shp. 82-557 



98. 



99 

 2600. 



biguttulus (Germ.) 34-29 

 ?fenestralis (Say) 23-95 

 ?fraterculus Lee. 62-521 

 laramseus I-ee. 59-4 

 confusus Aube 38-280 



01. oblitusShp. 82-560 



N.A.? 



H.Bay. Lab. 

 N.H. 

 Can. Mass. 



[111. Va. 



Nebr. 

 Ind. N.Y. 



" N.A." 



Agabetini 



Agabetes Cr. 73-401 



2602 acudiictiis (Harr.) 28-124 



Ind. Mass. 



Matini 



Matus Aube 38-390 



2603. bicarinatus (Say) 23-98 



CoPELATINI 



Mass. 

 Fla. 



Ind. 



Copelatus Erichs. 32-38 

 2604. cielatipennis Aube 38-382 Fla. 

 05. glyphicus (Say) 23-99 Minn. Kans. 



lO-striatus Aube 38-379 [N.Y. Fla. 



punctulatus Aube 38-381 



Copelatus Erichs. 



2606. impressicollis Shp. 82-589 Ariz. 



07. chevrolati Aube 38-389 Fla. 



a. australis Scha^ff. 08-17 Tex. Ariz. Cal. 



08. fragilis Shp. 82-40 L.Cal. Guat. 



COPTOTOMINI 



Coptotomus Say 34-443 

 2609. obscurus Shp. 82-601 Fla. Tex. 



10. interrogatus (Fab.) 01-267 Can. Kans. 

 venustus Say 23-98 [Fla. 



Coptotomus Sav 



difficilis Lee. 51-204 Cal. 



serripalpis Say. 34-443 Mex. 



2611. longulus Lee. 51-205 Wyo. Minn. 



Scutopterus Cr. 73-404 

 2612. angustus (Lee.) .50-213 

 13. homi Cr. 73-405 



coriaceus Horn nee Cast. 7 



Rhantus Lac. 35-309 

 2614. divisus (Aube) 38-248 



15. flavogriseus Cr. 73-409 

 longipes Shp. 82-612 

 obscurus Shp. 82-613 



16. binotatus (Harr.) 28-164 

 assimilis (Kby.) 37-72 

 plebejus Shp. 82-613 



1 7. anisonychus Cr. 73-409 



18. atricolor (Aube) 38-265 



19. ealidus (Fab.) 92-193 

 tfpniolis (Say) 23-94 



a. meridionalis Melsh. 46-27 

 ?consimilis Mots. 59-168 



20. sinuatus Lee. 62-522 



21. confusus Blateh. 10-229 



22. notatus (Fab.) 81-296 

 ?sericans Shp. 82-619 



23. bistriatus (Bergst.) 78-42 

 agilis (Payk.) 98-199 

 suturellus (Harr.) 28-164 



Dytiscus L. 58-411 



{Dyticus Geoffr. 62-185) 

 (Leionotus Kl)y. 37-76) 



2636. fasciventris Say 24-270 

 carolinus Aube 38-120 

 cordieri Aube 38-108 



