164 



Cincinnati Society of Natural History. 



Bembidium nitiduliim, Dej. 



americanuni, Dej. 



chalceum, Dej. 



picipes, Kirby. 



cordatum, Lee. 



dorsale, Sny. 



patruele, Dej. 



variegatum, Sny. 



inteimedius, Kirby. 



versicolor, Lac. 



pictum, Lee. 



affiiie, Say. 



quadritnaculatum, Linn, 



lajvigatiim, Siiy. 

 Tachys scitnlns, Lee. 



nanus, Gyll. 



flavicanda, Say. 



incuivus, Say. 



tripunctatu*, Say. 

 Pericompsus ephippiatus, Say. 



HALIPLIDv^. 



Haliplus punctata, Aube. 



ruticollis, Dej. 

 Cnemidotus ]2-punctatus, Say. 



edentulus, Lee. 



DTTISCID.^. 



Hydrovatus cuspidatus, Germ. 

 Hydropoius acaroides, Lee. 



turbidus, Lee. 



nubilus, Lee. 



laeiistrus, Say. 



afRnus, Say. 



consimilis, Lee. 



conclnuus, Lee. 

 Hydrocanthus irieolor, Say. 

 Cybister fimbriolatus, Say. 

 Laecophilus maculosus, Germ. 



faseiatus, Aube. 



proximus. Say. 

 Aeilus seniij^ulcatus, Aube. 



fraternus, Harr. 

 Thermoiiectes basilaria, Harr. 

 Hvdaticus bimarginatus, Say. 

 Dytiscus marglnicollis, Lee. 



cordieri, Aube. 



liybridus, Aube. 



fapciventris, Say. 

 Ilibius bijjuttulus, Germ. 

 Coptotomus interrogatus, Fab. 

 Copelatus glypliiius, Say. 

 Gaurodytes t;«ni.)latus, Harr. 



semivittatus, Lee. 



stagninus, Say. 



GYRINID^^. 

 Dineutes discolor, Aube. 



Dineutes assimilis, Aube. 

 Gyrinus lugens, Lee. 

 analis, Saj'. 



HYDROPHILID.^. 



Helopborus lineatus, Say. 

 Hydropbilus ovatus, H. & G. 



triangularis, Say. 

 Tropisternus ninibatus, Say. 



striolatus, Lee. 



glaber, Hbst. 



mixtus, Lee. 

 Berosus pantlierinus, Lee. 



peregriijus, Hbst. 



striaius, Say. 

 Laecobius agilis, Kand. 

 Philhydrus nebulosus, Say. 



ocraceus. Mel'*. 



maculicollis, Muls. 

 Hydroblus suhcupreus, Say. 

 Cercyon pra3textum, Say. 



TRICHOPTERYGID^^. 

 Triehopteryx baldemanni, Lee. 



STAPH YLINID^^. 



Falagria cingulata, Lee. 



bilobata, Say. 

 Hamalota triiuaculata, Er. 



lividipennis, Mann. 

 Alaeochara lata, Grav. 



fuscipes, Fab. 

 Coproporus ventrieulus, Grav. 

 Taetiinus furaipennis. Say. 



fiinbriatus, Grav 



limbatus, Mels. 



canadensis, Horn. 



swarizii, Horn. 

 Tacyporus joeosus, Say 



brunneus, Fabr 



nanus, Er. 



scitulus. 



ebrysomelinus, Linn. 



maculipennis, Lee. 

 Conosoma crassum, Grav. 



basale, Er. 



seripluni, Horn. 



liltoreuni, Linn. 

 Boletobius niger, Grav. 



cinciicollis. Say. 



cinctus, Grav. 



trinotatus. 



intrusus, Horn. 



dimidiatus, Er. 

 Bryoporus tlavipos, Lee. 

 Myeetoporus Incidulus, Lee. 

 Aeylopborus tlavieoUis, Seh. 



