824 



JOHN HAMILTON, M. D. 



Hydroporusstagiialis (i. & H. 

 oblitus Anhe. 

 oblongus Steph. 

 Ilybius higuttatus Germ.. 

 Coptotoimis interrojjatiis Fab. 

 Copelatus glyphieus f^ai/. 

 Agabiis obtiisatus .'»'«(/. 

 stagiiimis S<n/. 

 punctatus 3Iels. 



Gyriiiiis niinutus Fdb. 



ventralis Kirby. 

 ? aquiris Lee. 



Heloplioriis lineatus i^ai/. 



inquinatus Mann. 

 Hydrochus scabratus Muls. 



subcupreus Rand. 

 ■•■■ Ochtliebiiis bent^fossus Lee. 



•■■" foveicollis Lee. 

 Hydix>pliilus triangularis l^ay. 



Dvatus G. & H. 

 Tropisternus lateralis Fnb. 



dorsalis Brulle. 



nimbatus Say. 



glaber Hbst. 



striolatus Lee. 

 Hydrofbaris obtiisatus Sai/. 

 Berosus striatus >^ay. 

 Liic'obius agilis Rand. 

 Pbilydrus iiebulosus Say. 

 cinctus Say. 

 haniiltoni Horn. 

 Cyinl>iodyta fimbriata Meh. 



blancliardi Horn 



Agabus tieniolatus Harr. 

 Colymbetes sculptilis Harr. 

 Dytiscus fasciventris Say. 

 Acilius semisulcatus Aiibe. 



fraternus Harr. 

 Tbeniionectes basilaris Harr. 

 Grapboderes liberus Say. 



ciuereus Linn. 

 Cybister fimbriolatus Say. 



GYRINID-^. 



Gyrinus aualis Say. 

 Dineutes discolor Aube. 



aiuericanus Linn. 



HYDROPHILID^. 



Hydrobius fuscipes Linn. 

 globosus Say. 

 Crenipbilus ■•■■nioiiticola Horn. 

 despectus Lee. 

 subcupreus Say. 

 digestus Lee. 

 Cercyoii unipunctatus Linn. 

 ocellatus Say. 

 prsetextatus Say. 

 indistinctus Horn. 

 analis Payk. 

 hseinorrhoidalis Fab. 

 pygnipeus III. 

 nielanocepbalus Linn. 

 lugubris Payk. 

 graiiarius Er. 

 uavicularris Lee. 

 pubescens Lee. 

 Cryptopleuruni uiinntuni Fab. 

 vagans Lee. 



Leptinus testaceus Mull. 



Necrophorus orbicollis Say. 



atnericanus OHv. 

 margiuatus Fab. 

 pustulatus Her.sh. 

 tomentosus IVeb. 

 Silpba suriuamensis Fab. 

 X lappoiiica Hbnt. 

 ina'qualis Fab. 



LEPTINID^. 



SILPHID^. 



Silpha noveboraceusis Forst. 



aruericana Linn. 

 Pinodytes cryptopbagoides Mann. 



baiuiltoni Horn. 

 Cboleva simplex Say. 

 basillaris Say. 

 clavicoruis Lee. 

 teriiiiiians Lee. 



