A HISTORY OF BERKSHIRE 



HYDROPORINA (continued) 

 Hydroporus palustris, Linn. 

 * erythrocephalus. Linn. 



memnonius, Nic. Berks 



(Collins) 



obscurus, Sturm. Reading 



(Andrewes) ; Tubney 



nigrita, Fabr. Bradfield 



(Jy) 



t pubescens, Gyll. 



planus, Fabr. Reading ; 



Tubney ; Soar's Hill 



lituratus, Fabr. Sradfield 



(Joy) ; Bagley Wood. 



marginatus, Duft. Cold Ash 



(Harwood) 



DYTISCINA 



Agabus guttatus,Payk. Fyfield 

 (Butler) ; Well. Coll. (El- 

 ton) ; Bradfield (Joy) 



paludosus, Fabr. Read- 



ing ; Theale ; Bradfield 



0y) 



didymus, Ol. Reading ; 



Tubney ; Bradfield (Joy) 



nebulosus, Forst. Reading ; 



Midgham ; Bradfield (Joy) 

 Tubney (Walker) 



femoralis, Payk. Well. Coll. 



(Jy) 



abbreviatus, Fabr. Windsor 



(Fowler) 



sturmi, Gyll. Reading; 



Tubney 



chalconotus, Panz. Read- 



ing ; Midgham ; Brad- 



field (]oy) 



* bipustulatus, Linn. 

 tPlatambus maculatus, Linn, 

 tllybius fuliginosus, Fabr. 

 t fenestratus, Fabr. 

 t ater, De G. 



obscurus, Marsh. Well. Coll. 



(Elton) ; Reading 

 Copelatus agilis, Fabr. Reading 

 (Andrewes) ; Bradfield 



(Joy) 



Rhantus exoletus, Forst. Read- 

 ing ; Tbatcham (Joy) ; 

 Tubney 



pulverosus, Steph. Tubney 



bistriatus, Berg. Reading 

 "Colymbetes fuscus, Linn. 

 tDytiscus punctulatus, Fabr. 

 * marginalis, Linn. 



circumcinctus, Ahr. Fyfield 



(Butler) 

 Hydaticus seminiger, De G. 



Tbatcham (Joy) 

 tAcilius sulcatus, Linn. 



GYRINID^E 



'Gyrinus natator, Scop. 



opacus, Sahl. King's Weir 



HYDROPHILID^ 



HYDROPHILINA 



Hydrophilus piceus, Linn. Read- 

 ing (Austin) 



Hydrobius fuscipes, Linn. 

 tAnacaena globulus, Payk. 

 * limbata, Fabr. 



bipustulata, Steph. Read- 



ing 



tPhilydrus testaceus, Fabr. 

 t-nigricans, Zett 



melanocephalus, Ol. Reading 



(Andrewes) ; Cold Ash 



(Harwood) 



coarctatus, Gredl. Battle 



Farm, Reading ; Cold Ash 

 (Harwood) 



Cymbiodyta ovalis, Thoms. 

 Reading ; Streatley ; Brad- 

 field gy) 



Enochrus bicolor, Gyll. Read- 

 ing ; Theale 



tHelochares lividus, Forst. 

 t punctatus, Sharp. 

 Laccobius sinuatus, Mots. Tub- 

 ney 



alutaceus, Thoms. Fyfield 



(Butler) ; Bradfield (Joy) 



minutus, Linn. Reading ; 



Tubney 



bipunctatus, Fabr. Read- 



ing ; Tubney 

 Berosus luridus, Linn. Well. 



Coll. (Elton) ; Reading 

 tLimnebius truncatellus, Thoms. 

 t papposus, Muls. 

 tChaetarthria seminulum,Herbst. 



HELOPHORINA 



tHelophorus rugosus, Ol. 

 t nubilus, Fabr. 

 * aquaticus, Linn. 



dorsalis, Marsh. Bradfield 



(Jy) 



aeneipennis, Thoms. Brad- 



field Qoy) 



laticollis, Thoms. Well. 



Coll. (Elton) 



affinis, Marsh. Fyfield (But- 



ler) ; Reading ; Bradfield 



(Joy) 



brevicollis, Thoms. Read- 



ing ; Midgham ; King's 

 Weir 



brevipalpis, Bedel. Fyfield 



(Butler) ; Bradfield (Joy) ; 

 King's Weir 



arvernicus. Muls. Reading 



nanus, Sturm. Well. Coll. 



(Elton); Bradfield (Joy) 

 Hydrochus elongatus, Schall. 

 Reading 



angustatus, Germ. Reading 



(Andrewes) ; Bradfield 



82 



HELOPHORINA (continued) 

 Henicocerus exsculptus, Germ. 



River Kennet (Joy) 

 Ochthebius pygmaeus, Fabr. 

 Fyfield (Butler) ; Reading ; 

 Bradfield (Joy) ; Tubney 

 (Walker) 



bicolon, Germ. Aldermaston 



(Joy) ; Tubney (Walker) 

 Hydraena testacea, Curt. Brad- 

 field (Joy) 



riparia, Kug. Bradfield (Joy) 



nigrita, Germ. Bradfield 



(Jy) 



angustata, Sturm. Brad- 



field (Joy) 



SPH^ERIDIINA 



"Cyclonotum orbiculare, Fabr. 

 Sphsridium scarabasoides, Fabr. 

 * bipustulatum, Fabr. 

 Cercyon haemorrhous, Gyll. 

 Reading (Andrewes) ; Tub- 

 ney ; King's Weir 

 * haemorrhoidalis, Herbst. 



obsoletus, Gyll. Near Read- 



ing , Aldworth (Joy) ; Tub- 

 ney 



aquaticus, Muls. Bradfield 



(Joy) 



t flavipes, Fabr. 



lateralis, Marsh. Bradfield 



(Joy); Boar's Hill 

 t melanocephalus, Linn. 

 t unipunctatus, Linn, 

 f quisquilius, Linn. 



nigriceps, Marsh. Boar's 



Hill 



pygmaeus, 111. Reading 



(Andrewes) ; Bradfield 

 (Joy); Boar's Hill 



terminatus, Marsh. Brad- 



field (Joy) 



analis, Payk. Reading ; 



Pangbourne ; Bradfield 



(Joy) 



lugubris, Payk. Bradfield 



(Joy) ; Ferry Hinksey 



granarius, Er. Reading; 



Bradfield (Joy) 



minutus, Muls. Reading ; 



Bradfield (Joy) 

 tMegasternum boletophagum, 



Marsh. 

 tCryptopleurum atomarium, 



Fabr. 



STAPHYLINID^; 



ALEOCHARINA 

 Aleochara fuscipes, Fabr. 

 t lata, Grav. 



brevipennis, Grav. Fyfield 



(Butler) ; Reading (An- 

 drewes) 



tristis, Grav. Boar's Hill 



(Lambert) ; Bradfield (Joy) 



