A HISTORY OF NORFOLK GYRINID^ Gyrinus minutus, F. HickUng Broad, Horn- ing — suffriani, Scriba. Horning^ Ranworth, HickUng Broad, Roydon Fen — colymbus, Er. Ranworth, HickUng Broad — natator, Scop. — elongatus, Aub. — bicolor, Payk. HickUng Broad ; Horn- ing (Fowler) — marinus, Gyll. — opacus, Sahl. Orectochilus villosus, Mttll. HYDROPHILIDiE Hydrophilina Hydrophilus piceus, L. Horning (Wig- ham) ; BrundaU (Brown) ; Yarmouth (Paget) ; JVaxham (Champion) Hydrous caraboides, L. Burrell's list. Yarmouth (Paget) Hydrobius fuscipes, L. — picicrus, Thorns Anacasna globulus, Payk. — limbata, F. — bipustulata, Steph. ArminghaU Philydrus testaceus, F. — maritimus, Thoms — nigricans, Zett. — melanocephalus, Ol. Brandon — minutus, F. Brandon, St. Faiths — coarctatus, Gredl. Cymbiodyba ovalis, Thoms. Horning Enochrus bicolor, Gyll. Helochares lividus, Forst. — punctatus, Shp. Laccobius sinuatus. Mots. — alutaceus, Thoms. — minutus, L. — bipunctatus, F. Berosus spinosus, Stev. ler) — signaticollis, Charp. mouth (Paget) — luridus, L. — affinis, BruU. Hunstanton (Thorn- ley) Limnebius truncatellus, Thoms. — papposus, Muls. — nitidus. Marsh. — picinus, Marsh. Hunstanton (Fowler) ; Waxham (Champion) Chaetarthria seminulum, Hbst. Arming- hall; IVaxham (Champion) Helophorina Helophorus rugosus, Ol. — nubilus, F. — intermedius, Muls. Cley, etc. Hunstanton (Fow- 5/. Faiths ; Yar- Helophorina [continued) Helophorus aquaticus, L. — dorsalis. Marsh. Norwich — aneipennis, Thoms. — mulsanti. Rye. Wretham Heath, May 26, 1890 — affinis. Marsh. Mousehold Heath — brevicollis, Thoms. Felthorpe — nanus, Sturm. Horning (Fowler) Hydrochus brevis, Hbst. Horning ; Stalham (Wood) — elongatus, Schall. — carinatus. Germ. 5r(7«(/»«, May, 1888 — angustatus. Germ. Octhebius marinus, Payk. — pygmseus, F. — bicolor. Germ. — rufimarginatus, Steph. Morston, 1887 — aeratus, Steph. Hydraena riparia, Kug. — gracilis, Germ. Lakenham, ?>ept., 1898 SPHilRIDIINA Cyclonotum orbiculare, F. Sphaeridium scarabaeoides, F. — bipustulatum, F. — „ V. marginatum, F. Cercyon littoralis, Gyll. — depressus, Steph. Hunstanton (Thorn- ley) — hamorrhous, Gyll. — hamorrhoidalis, Hbst. — aquaticus, Muls. Waxham (Champion) — flavipes, F. — lateralis. Marsh. — melanocephalus, L. — unipunctatus, L. — quisquilius, L. — nigriceps. Marsh. — pygmasus. 111. — terminatus. Marsh. Norwich — analis, Payk. — lugubris, Payk. Norwich — granarius, Er. — minutus, Muls. Megasternum boletophagum. Marsh Cryptopleurum atomarium, F. STAPHYLINID^ Aleocharina Aleochara ruficornis, Grav. Norfolk (Lind- ley Jide Stephens) — fuscipes, F. — brevipennis, Grav. — lanuginosa, Grav. — villosa, Mann. ArminghaU — mcesta, Grav. — nitida, Grav. — „ var. bilineata, Gyll. — morion, Grav. — grisea, Kr. 118
