AMERICAN COLEOPTERA. 



217 



Colymbetes (continued), 

 strigatus 14-203. 

 strigo-ws 77-522, 



err. typ. pro strigatus Lee. 

 Cymatopterus. 



longulus 77-522, {Colymbetes). 

 seminiger 77-522, {Colymhties). 

 Dytiscas. 



diffinis 8-212— confluens ^ay, (Crotch), 

 raarginicollis 2-201 & 3-209. 

 sublimhatus 60-34 = ? Cordieri Auhe. 

 Bhantus. 



sinuatus 77-522, (Coli/mbetes). 

 tostus 87-366, {Colymbetes'}. 

 Ilybius. 



fraterculus 77-521, {Colymbete.i). 

 ignarus 77-521, {Colymbetes). 

 lararaseus 68-4. Dr. Sharp considers 

 this distinct from biguttulus Germ., 

 where Crotch placed it. 

 pleuriticus 8-213. Synonymous with 

 confusus Aube, according to Crotch. 

 Dr. Sharp considers it distinct. 

 ungularis 77-521, {Colymbetes), 

 =: ater De Geer. 

 Coptotomus. 



diJficiUs 14-204 = interrogatus Fabr. 

 longulus 14-205. 

 Ilybiosoma. 



regulare 14-203, {Ilybius). 

 Agabus. 



clavat\is 68-4. 

 Gaurodytes 



brevicoUis 60-34, (Agabus). 

 confertus 72-340, {Agabus). 

 discolor j| 14-204, {Agabus), 



= Lfeeontei Crotch. 

 discors 72-34^, {Agabns). 

 fimbriatus 8-214, pro reticulatus\\Aube 

 griseipennis 68-5, {Agabus). 

 leptapsis 112-596. 

 lineellus 72-340; {Agabus). 

 longulus 112-596. 

 lugens 14-203. {Agabus). 

 morosus 14-204. {Agabus). 

 nanus 110-452. 

 obliteratus 68-5, {Agabus). 

 obsoletus 62-15, {Agabus). 

 ovoideus 79-17, {Agabus), 

 = confinis Gyll. 



TKANS. AM, ENT. SOC. IX. 



parallelus 8-213, {Agabus). 

 semivittatus 14-204, {Agabus). 

 spilotus 68-5, {Agabus). 

 subfasciatus 79-17, {Agabus), 

 r= arcticus Payk. 

 Anisomera- 



cordata 27-220. 

 recta 94-375. 



GYRINIDa:. 

 Dineutes. 



angustus 111-378. 

 carolinus 89-366. 



integer 45-221 ^= sublineatus Chev. 

 serrulatus 89-366. 

 Gyrinua. 



seneolus 89-368. 

 aquiris 89-368. 

 Aubei 79-18 = analis Say. 

 confinis 89-368. 

 consobrinus 14-209. 

 dichrous 89-368. 

 elevatus 89-368. 

 gibber 89-370. 

 lugens 89-369. 

 maculiventris 89-368. 

 pectoralis 89-370. 

 pernitidus 89-369. 

 plicifer 14-209. 

 rockinghaniensis 89-370. 

 Gyretes. 



compressus 80-23 = sinuatus Lee. 

 sinuatus 14-210. 



HYDROPHILID.E. 

 Helophorus. 



alternaius 72-341 =angustulus Mann. 

 fortis 87-366. 

 lacustris 8-217. 

 linearis 50-357. 

 nitidulus 50-357. 

 oblongus 8-217. 

 obscurus 14-210. 



scaber 8-218 = tuberculatus Gyll. 

 Hydrochus. 



callosus 50-359. 

 .excavatus 50-360. 

 insequalis 50-359. 

 simplex 50-361. 

 squamifer 50-359. 



(50) 



JANUARY, 1882. 



