228 THE ESSEX NATURALIST Ctenocephalides canis (Curtis), 3♀ ♀, dog, Fingringhoe Wick, 27.ix.63 (A.M.H.): 1♂ 2♀ ♀, 'in school', Basildon, 24.vii.67 (M.A.L.): 1♀, 'Greyhound', Billericay, 12.ix.59 (A.J.E.H.): ♂ ♂ ♀ ♀, 'ferrets', Colchester, v.59 (CM.): V. vulpes—♀, Marks Tey, 5.ii.52 (CM.); 1♀, Woodford Green, 26.xi.67 (S.H.). C. f. felis (Bouche), Maldon, ll.ix.58; Dagenham, 20.vii.55; Chelmsford, 22.X.66 (R.S.G.); Barking, ii.67; Basildon, 24.vii.67 (M.A.L.). Spilopsyllus cuniculi (Dale), ♂ ♂ ♀ ♀, Oryctolagus cuniculus (L.) (Rabbit), Chesterford Park, 8.1V.61 (G.B.T.); Fingringhoe, 17.viii.61 (CM.); Alresford, 3.vn.66 (CM.); Great Easton, 22.V.63 (D.I.C.): 1♂ 1 ♀ , Mustela nivalis L. (Weasel—♀ ), Little Baddow, viri.65 (D.I.C.): ♂ ♂ ♀ ♀, Lepus europaeus Pallas (Brown Hare), Wivenhoe Park, 15.ii.64: V. vulpes, Lambourne End, 27.vi.65 (CM.); 1♂ 4♀ ♀, Woodford Green, 26.xi.67 (S.H.). HISTRICHOPSYLLIDAE Hystrichopsylla t. talpae (Curtis), 2♀ ♀, Talpa europaea L. (Mole-nest), Stock, 28.iii.59 (A.J.E.H.); 1♀, Stock, 8.xi.59 (A.J.E.H.); 19, Stock, 28.iii.59 (A.J.E.H.); 2♀ ♀, Stanstead Mountfitchet, 26.ii.66 (R.S.G.); 6♂ ♂ 10♀ ♀, 21.ii.66 (R.S.G.): 1♂ 1♀, Sorex araneus L. (Common Shrew—♂), Southend, Bellfairs Wood, Dodds Grove, 23.iv.60 (A.J.E.H.); Fingringhoe Wick, 14.vii.65 (J.R.C.): 3♀ ♀, 'from nests', Baddow, 25.X.59 (P.M.H.): 3♀ ♀, nr. Saffron Walden, Hales Wood, 14.i.64 (D.I.C.); 1♂ 1♀, East Hanningfield, 23.iv.59 (A.J.E.H.); 1♂ 1♀, Billericay, 8.viii.59; 1♀, 8.xi.59; 1♀, 20.iv.60; 2♀ ♀, 8.xi.59; (A.J.E.H.); 1♀, nr. Chelmsford, Danbury Camp; 19, Belhus, vii.59: 19, 29.viii.59 (A.J.E.H.); 3♂ ♂ 15♀ ♀, North Fambridge, 10.iv.65 (R.S.G.); 1♂ Fingringhoe Wick, 29.ix.63 (A.M.H.); 1♂ 5♀ ♀, Loughton, nr. Goldings Hill, 5.iii.67 (R.S.G.): Clethrionomys glareolus (Schreber) (Bank Vole—♀), 1♂, Kirby-le-Soken, 18.vi.60 (A.J.E.H.); Microtus agrestis (L.) (Field Vole—♂), 3♀ ♀, North Fambridge, 10.iv.65 (R.S.G.); 2♀ ♀, 'small mammal nest,' Walden Forest, 17.hi.68 (R.S.G.). Rhadinopsylla pentacantha (Rothschild), 8♂ ♂ 11♀ ♀,'nests', East Hanningfield, 22.vi.59; 1♂, 29.xi.59 (A.J.E.H.); 5♂ ♂ 3♀ ♀, North Fambridge, 10.iv.65 (R.S.G.); 1♂, T. europaea—nest, Chris- hall, 21.ii.66 (R.S.G.). Doratopsylla, d. dasycnema (Rothschild), 2♂ ♂, S. araneus—♀, Kirby-le-Soken, Marsh House, 18.iv.60; 1♂, 17.iv.60 (A.J.E.H.): 1♂, S. araneus—♂, Billericay, 29.V.60 (A.J.E.H.): 1♀, S. araneus —d, 28.vi.64 (R.S.G.): 3♀ ♀, S. araneus— ♀, 31.xii.64: 1♂, S. araneus—♂, 7.vi.65: 2♂♂ 1♀, S. araneus—♀,7.iv.65: 1♂ 1♀, S. araneus—♀, Weeley, 7.vi.65 (R.S.G.): 2♂ ♂, S. araneus—♀, 10.iv.