SIPHONAPTERA FROM BIRDS AND MAMMALS IN ESSEX 231 ford,, 7.iii.57 (G.B.T.): 1♀, A. sylvaticus, Leytonstone, 21.iv.60 (G.B.C.): 1♂, A. sylvaticus—♂, Woodford Green, 8.V.60 (D.I.C.): 1♀, E. europaeus—ad, Woodford Green, 2.X.59 (G.E.B.): 3♂ ♂, 'nest', Fingringhoe Wick, 29.ix.63 (A.M.H.): 2♂ ♂ 1♀, C. glareolus —♂, Theydon Bois, 21.iv.68 (R.S.G.). Malareus penicilliger mustelae (Dale), 3 ♀ ♀, C. glareolus—2♀ ♀, Kirby-le-Soken, Marsh House, 18.iv.60 (A.J.E.H.): 1♀, C glareolus —♀, Weeley, 7.vi.65 (R.S.G.): 1♂ 1♀, T. europaea—♂ Downham, 6.vi.60 (A.J.E.H.): 16, "nest material", Rochford, 5.iii.60 (A.J.E.H.); 1♂, "nest under corrugated iron", Rochford, 6.iii.60 (A.J.E.H. & R.K.); 1♀, "myxomatose rabbit", Dunmow, Easton Lodge, 24.V.61 (A.J.E.H.); 1♀, "nest material", East Hanning- field, 22.vi.59 (A.J.E.H.); 2♂ ♂ "nest material", Stock, 8.xi.59 (A.J.E.H.): 1♂, "nest", Theydon Bois, nr. Goldings Hill, 5.iii.67 (R.S.G.); 1♂ 1♀, Danbury Camp—no other data; 4♂ ♂ 4♀ ♀, 'small mammal nest', Walden Forest, 17.iii.68 (R.S.G.). Orchopeas h. howardi (Baker), 1♀, Chigwell, v.53 (D.I.C.); 7♂ ♂,2♀ ♀, Epping Forest, Loughton, 30.ni.63 (D.I.C.); 1♀, Great Burstead, 30.xii.61 (A.J.E.H.); 14♀ ♀, Chesterford Park, 2.V.64 (R.S.G.); 8♂ ♂ 8♀ ♀, Chesterford Park, 9.iv.64 (G.B.T.); 1♂, Chesterford Park, 6.X.57 (G.B.T.); 5♂ ♂ 8♀ ♀, Chesterford Park, 5.iv.66 (G.B.T.); 2♀ ♀, 1♂ 4♀ ♀, and 1♀, Epping Forest, xii.65 (D.I.C.): 1♀, Dama dama (L.) (Fallow Deer—♀), Harlow, i.66 (D.I.C.). All except the last record were taken from Sciurus carolinensis Gmelin (Grey Squirrel). The specimen from the deer is an obvious straggler. Megabothris turbidus (Rothschild), 1 ♀, C. glareolus—♀, Weeley, 7.V.65 (R.S.G.): 1♀, "Vole's nest", Fingringhoe Wick, 29.ix.63 (A.M.H.): 1♀, 'nest', North Fambridge, 10.iv.65 (R.S.G.): 1♂, "nest", Billericay, ii.60 (A.J.E.H.); 3♂ ♂, "nest", Stock, 8.xi.59 (A.J.E.H.): 2♂ ♂ 19, "small mammal nest", Walden Forest, 17.iii.68 (R.S.G.). M. walkeri (Rothschild), 4♀ ♀, M. nivalis—♂, North Fam- bridge, 10.iv.65 (R.S.G.): 1♀, M. nivalis, Chesterford Park, 8.iv.67 (G.B.T.): 1♀, "nest in grass tuft", Loughton, nr. Goldings Hill, 5.iii.67 (R.S.G.); 4♂ ♂ 11♀ ♀, "nests", North Fambridge, 10.iv.65 (R.S.G.): 1♂ 1♀, "nest" Billericay, 8.xi.59 (A.J.E.H.): 3♀ ♀, "nest-vole", Weeley, 28.vi.64 (R.S.G.): 1♀, "litter and debris —base of sea wall", Lee-over-Sands, 17.viii.62 (P.D.G.): 2♂ ♂ 8♀ ♀, 'small mammal nest', Walden Forest, 17.iii.68 (R.S.G.): 1♂, C. glareolus—♂, Theydon Bois, 21.iv.68 (R.S.G.). Ceratophyllus rusticus Wagner, 1♂ 2♀ ♀, Delichon urbica (L.) (House Martin—nest), Flatford Mill, 24.ix.58 (G.P.).