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 INSECTS NEUROPTERA Mr. Brown's list of Neuroptera in his account of the ' Fauna of Burton-on-Trent ' (Natural History of Tutbury, pp. 171-4, 1863) is almost the only general authority for the county with regard to this order. He records ten species of the Odonata, but treats everything else in a very summary manner. Mr. G. Pullen has of late years noticed fourteen species of Dragonflies, chiefly in the vicinity of Little Eaton. Upwards of thirty years ago Mr. Brown's collection was ex- amined by Mr. Robert MacLachlan, F.R.S., and the Rev. A. E. Eaton, both of whom also collected Neuroptera in Derbyshire at that period. The species vouched for by them in the present work are either recorded from this county in MacLachlan's Monographs of Tricboptera (1865 and 1874-80), and an article by Eaton on the Hydroptilidas (1873), or are given from the latter's recollection. E.B. = Edwin Brown A.E.E. = A. E. Eaton F J. = F. C. R. Jourdain McL. = R. MacLachlan G.P. = G. Pullen PSEUDO-NEUROPTERA Atropos divinatoria, Mull. In amongst old papers, etc. Lachesilla fatidica, Westw. (E.B.) houses, Dictyopteryx microcephala, Pict. (bicaudata, Steph.). Dove (E.B.) Perla marginata, Panz. The Dove near Mappleton (A.E.E.) ; Dovedale (G.P.) cephalotes, Curt. The Dove, near Mappleton, plentiful (A.E.E.) Chloroperla grammatica, Poda (virescens, Pict.). The 'Yellow Sally,' not uncommon near the Dove (E.B.) ; Mappleton (A.E.E.); common near Derby (G.P.) Isopteryx tripunctata,Scop. Generally distri- buted throughout the county (A.E.E.) Taeniopteryx nebulosa, L. Occurs in March on the Trent (E. Brown's collection, A.E.E.) risi, Morton (trifasciata, Pict. part). Small streams in the Ashbourne dis- trict (A.E.E.) Lcuctra geniculata, Steph. The slower parts of the Dove near Mappleton ; common (A.E.E.) [At least two other species of Leuctra occur near Ashbourne, formerly included in the series of fusciventris and abdominalis] Nemoura variegata, Oliv. ? Morton. Com- mon in the Ashbourne district ; also mentioned by E.B. meyeri, Pict. Base of Thorpe Cloud, at a spring ; common (A.E.E.) PERLIDJE (continued) Nemoura cinerea, Oliv., Morton. Very common in the Ashbourne district, especially in ' dumbles ' (A.E.E.) inconspicua, Pict. ? Morton. A single male in the lane from Sturston Hall to Bradley Wood, Ashbourne (A.E.E.) EPHEMERID^: Ephemera vulgata, L. Common in south Derbyshire on the Trent (in coll. E. Brown) danica, Milll. The May fly of the Dove Leptophlebia submarginata, Steph. (helvipes, Steph. ; geerii, Pict.). Dovedale cincta, Retz. Ephemerella ignita, Poda. The Dove and smaller streams Caenis dimidiata, Steph. In the south of the county on the Trent rivulorum, Eaton. The Dove near Mayfield, Ashbourne. Abundant in June (A.E.E.) halterata, Fab. In the south of the county Bafitis scambus, Eaton. The Henmoor Brook, Ashbourne, and the Dove near Ashbourne and Norbury (A.E.E.) vernus, Curt. Streams and rivulets rhodani, Pict. The Dove, etc., ascend- ing to upwards of 1,000 feet above the sea in Derbyshire tenax, Eaton. Small streamlets, Ash- bourne Green (A.E.E.) pumilus, Burmeist. Common near Ash- bourne, in Henmoor Brook, etc. (A.E.E.) Centroptilum lutecium, Mull. Generally common 55