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 A HISTORY OF DERBYSHIRE in many cases it is possible to separate the Derbyshire records. A second instalment of this paper dealing with the Micro-Lepidoptera and compiled by Messrs. J. T. Harris and P. B. Mason was published in the Transactions of the Burton-on-Trent Natural History and Archceological Society (1892), ii. 1-14. In 1895 Mr. F. W. G. Payne published a Catalogue of the Macro- Lepidoptera of Derbyshire in the Entomologist (pp. 49, 117, 170). A fair proportion of the records in this list are from the northern part of the county, which hitherto had been altogether neglected. Unfortu- nately entire dependence cannot be placed upon this list as several species have undoubtedly been included in error. 1 A paper on the Rhopalocera of Derbyshire by the present writer was published in the Journal of the Derbyshire Archaeological and Natural History Society (1903), xxv. Besides the above more important papers many short notes and records are to be found in various entomological periodicals, and New- man's work on British butterflies and moths contains many references to Derbyshire which were probably communicated by the Rev. H. Harpur Crewe and Joseph Greene. It must however be admitted that Derbyshire is not rich in Rhopalocera. Although forty species have been recorded from the county, only about fourteen or fifteen can be described as at all com- mon. Several species which were formerly numerous locally have now disappeared. Others are absent from the greater part of the county and only occur in limited areas, while a large proportion are merely rare accidental visitors. On the other hand the Heterocera are much better represented, and in the south and near Derby have been well worked, although a good deal still remains to be done among the Micro-Lepi- doptera, more especially the Tineae. In conclusion I must express my thanks to all who have assisted in the compilation of the present list, more especially Messrs. Hugo Harpur Crewe, J. Hill, E. A. Cockayne and G. Pullen ; the Rev. C. F. Thornewill, R. H. Fuller and W. H. Purchas, and also Miss Crewe, who kindly placed some notebooks of the late Rev. H. Harpur Crewe at my service. The exigences of space have prevented the publication of authorities in many cases ; as a general rule those men- tioned in the Natural History of Tut bury, Wild Flowers, etc., of Repton, Mr. F. W. G. Payne's list and those published by the Burton-on-Trent Natural History Society have not been repeated (with one or two ex- ceptions), while those given are either published for the first time or have been taken from scattered papers, or else have been overlooked by later compilers. The total number of species treated of in the following list amounts to 914, composed as follows: 1 e.g. Syticthus malv<t, L., AcidaRa immutata, L., and ^gratis fata, Hb. 78