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)
