Agonoderus lineola, Fab. 



pallipes, Fab. 



partiarius, Say. 



pauperculus. Dej. 

 Anisodactylus rusticus, Dej. 



nigrita, Dej. 



puncticoll's, Chd. 



discoideus, Dej. 



baltimorensis. Say. 



sericeus, Harris. 

 Amphasia interstitialis, Say. 

 Anisotarsus terminatus, Say. 

 Brandycellus autumnalis Say. 



badiipennis, Ha Id. 



atrimedius, Say. 



rupestris, Say. 



neglectus, Lee. 

 Selenophorus iripennis, Say. 

 Harpalus erraticus, Say. 



viridiaeneus,, Beauv. 



caliginosu*, Fab. 



faunus, Say. 



pennsylvanicus, Dej. 



compar, Lee. 



erythropus, D.ej. 



spadiceus, Dej. 



herbivagus, Say. 



gravis, Lee. 

 Stenolophus conjunctus, Say. 



ochropezus, Say. 



dissimilis, Dej. 



earns, Lee. 

 Patrobus longicornis, Say. 

 Eembidium punctatostriatum, Say. 



impressum. Fab. 



paludosum, Sturm. 



hitidum, LCirby. 



chalceum, Dej. 



con color, LCirby. 



Kuprianovi, Mann.- 



fugax, Lee. 



rupestre, Dej. 



plagiatum, Zimm. 



partruele, Dej. 



variegatum, Say. 



rapidus, Lee 



versicolor, L^ee. 



frontale, Lee. 



quadrimaculatum, Linn. 

 Tachys proximus, Say. 



scitulus, Lee. 



laevus, Say. 



nanus, Gyll. 



flavicanda, Say. 



vivax, Lee. 



incurvus, Say. 



pulchellus, Lee. 



HALIPLXDiE. 



Haliplus fasciatus, Aube. 



Ilaliplus triopsis. Say. 

 rulicollis, Dej. 

 immaculicollis, Harr, 



longulus, Lee. 

 Cnemidotus 12-punctatus, 'ay. 



DYTISCID^. 



Hydroporus inaequalis, Lab. 



convexus, Aube. 



impressopunctatus. Dej. 



nubilus, Lee. 



lacustris, Say. 



affinis, Say. 



rotundatus, Lee. 



griseostriatus, Dej. 



consimilis, Lee. 



sericeus, L*ee. 



undulatus, Say. 



spurius, Lee. 



modestus, Aube,. 



dichrous, Me Is. 



signatus, Mann. 



difformis, Lee. 

 Laccophilus maculosus, Germ. 

 Agabetes acuductus. LLarr. 

 Acilius semisulcatus, Aube. 



fraternus, Harr. 

 Thermonectes ba'silaris, Harr. 

 Graphoderes liberus. Say. 

 Hydaticus stagnalis, Fab. 

 Colymbetes, sculptilis, Harr. 



binotatis, Harr. 

 Dytiscus Harrisii, LCirby. _ 



fasciventris, Say. 



hybridus, Anbc. 

 Ilybius biguttalus, Germ. 

 Coptotomus interrogalus, Fab. 

 Ilybiosoma bifarius, LCirby. 

 Agabus paralleus, Lee. 

 Gaurodytes taeniolatus, LLarr. 



semipunctatus, LCirby. 



Lecontei, Cr. 



aeneolus, Cr. 



punctulatus, Aube. 



fimbriatus, Lee. 



GYRIAND^. 



Dineutus assimilis, Aube. 



americanus, Say. 

 Gyrinus confmis, Lee. 



maculiventris, Lee. 



analis, Say. 



HYDROPHILID^. 



Helophoius lacustris, Lee. 



linearis, Say. 



tuberculatus, Gyll. 

 Hydrochus squamifer, Lee. 



simplex, Lee. 



