A HISTORY OF ESSEX 



Colchester 



DYTISCIDJE (continued) 



Hydroporous discretus, Fairm. Birdbrook 

 (Power) 



pubescens, Gyll. 



planus, Fabr. 



lituratus, Fabr. 

 Agabus biguttatus, Ol. 



paludosus, Fabr. 



nebulosus, Forst. 



conspersus, Marsh. 



femoralis, Payk. Walthamstow (Fow- 



ler, Brit. Col.) 



abbreviates, Fabr. Hainault (J. S. Nor- 



man) 



HYDROPHILID^: (continued) 



Limnebius truncatellus, Thorns. 'I 



sturmii, Gyll. 



Colchester 



chalconotus, Pz. 



bipustulatus, L. 

 Ilybius fuliginosus, Fabr.) 



fenestratus, Fabr. Epping (E. Double- 



day) 



ater, De G. 1 ,-, , , 



,., , J- Colchester 



obscurus, Marsh. J 



Copelatus agilis, Fabr. ] p . 



Rhantus exoletus, Forst. V A? r ui j \ 

 c ' , (E. Doubleday) 



pulverosus, Steph. J 



notatus, Berg. North Woolwich (West) 



adspersus, Fabr. Epping (E. Double- 



day) 



Colymbetes fuscus, L. Colchester 

 Dytiscus punctulatus, Fabr. Epping (Lew- 

 cock) 



marginalis, L. "j 



circumflexus, Fabr. J- Colchester 

 Acilius sulcatus, L. J 



GYRINID.S: 



Gyrinus elongatus, Aub6. Harwich (Fow- 

 ler, Brit. Col.) 



marinus, Gyll. Colchester 

 HYDROPHILID.S: 



Hydrophilus piceus, L. \ North Woolwich 

 Hydrous caraboides, L. J (West) 

 Hydrobius fuscipes, L. Colchester 



oblongus, Herbst 1 



T> o , i r Lssex coast 



raracymus nigroaeneus, Sahl. J 



Anacasna limbata, Fabr. "| 



globulus, Payk. \ Colchester 

 Philhydrus testaceus, Fabr.J 



maritimus, Thorns. Essex coast 



nigricans, Zett. 



melanocephalus, Ol. 



coarctatus, Gredl. 

 Cymbiodyta ovalis, Thorns. 

 Helochares lividus, Forst. 

 Laccobius sinuatus, Mots.] 



alutaceus, Thorns. J- Colchester 

 - bipunctatus, Fabr. J 



Berosus luridus, L. Epping (E. Doubleday) 



affinis, Brulle\ Rainham (Fowler, 



Brit. Col.) 



spinosus, Stev. Essex coast 



Colchester 



Donyland 



papposus. 



Muls. 



- Colchester 



West Ham 



Colchester 



nitidus, Marsh. 

 Spercheus emarginatus, Schall. 



(Billups) 

 Helophorus rugosus, Ol. 



nubilus, Fabr. 



intermedius, Muls. Walton-on-Naze 



(Fowler, Brit. Col.) 

 aquaticus, L. Colchester 

 dorsalis, Marsh. North Woolwich 



(West) 



aeneipennis, Thorns. Colchester 



affinis, Marsh. Northey Isle (Janson) 



brevipalpis, Bedel. 

 Hydrochus angustatus, Germ. I 

 Octhebius marinus, Payk. \ Colchester 



pygmaeus, Fabr. 



bicolon, Germ. 



rufimarginatus, Steph. Birdbrook (Ent. 



xvii. 1 60) 



exaratus, Muls. Essex coast 



aeneus, Steph. Birdbrook (Power) 



asratus, Steph. Southend (Ent. xvii. 



1 60) 



punctatus, Steph. Essex coast 

 Hydraena testacea, Curt. Epping (Fowler, 



Brit. Col.) 



riparia, Kug. Colchester 



nigrita, Germ. Epping 

 Cyclonotum orbiculare, Fabr. 1 

 Sphaeridium scarabaeoides, Fabr. V Colchester 



bipustulatum, Fabr. 



Cercyon littoralis, Gyll. Essex coast 



depressus, Steph. North Woolwich 



(West) 



haemorrhous, Gyll. 



haemorrhoidalis, Herbst 



obsoletus, Gyll. 



flavipes, Fabr. 



lateralis, Marsh. 



melanocephalus, L. 



unipunctatus, L. 



quisquilius, L. 



nigriceps, Marsh. > Colchester 



pygmaeus, 111. 



terminatus, Marsh. 



analis, Payk. 



lugubris, Payk. 

 Megasternum boletophagum, 



Marsh. 

 Cryptopleurum atomarium, 



Fabr. 

 STAPHYLINID.S 



Aieochara ruficornis, Grav.] 



fuscipes, Fabr. j- Colchester 

 - lata, Grav. 



brevipennis, Grav. Southend (Fowler, 



Brit. Col.) 



122 



