A CATALOGUE OF THE MEMBRACID TYPES (HOMOPTERA: MEMBRACID AE) IN THE BRITISH MUSEUM (NATURAL HISTORY) By PETER S. BROOMFIELD SYNOPSIS The purpose of this paper is to provide a record of the Membracid holotypes, lectotypes and neotypes present in the collection of the British Museum (Natural History) and to designate additional lectotypes where necessary. The present totals are: holotypes 492, lectotypes 446 (of which all but one are designated in this paper), and I neotype. IN the following list the taxa are arranged alphabetically by specific name. This is followed in each case by the genus in which it was described, the author and a coded reference to its original description. The code is the same as that used in Metcalf's bibliography of the Membracoidea (1963), in which full bibliographic references are given. The complete references to works published after 1955 are given at the end of the present paper. The coded reference is followed by the kind of type-specimen and a description of the data labels. The extent of each label is indicated by quotation marks (' ') and the individual lines of the label are separated by semicolons (;). The condition of the type-specimen, if damaged, is noted. Lectotypes designated in this paper are indicated thus : LECTOTYPE. These specimens are labelled ' LECTOTYPE ' and with the name of the taxon and its author, followed by ' P. S. Broomfield 1969 ' : such labels are not quoted in the text of the present paper. Additional syntypes, where present in the collection, are also noted : these specimens are now labelled as paralectotypes. In certain species the number of specimens in the type-series was clearly indicated by the author (e.g. Walker, i85ia & i858b). Where such species were described from a single specimen it has been possible to label this as the holotype. In the absence of information on the number of specimens in the type-series (e.g. Walker, i858a) single specimens have been desginated as lectotypes. Lectotypes have not been selected in those cases in which the greater part of the type-series is known to be located in another institution, or where the author has clearly indicated that the type is among material lodged elsewhere. The label ' Type ' referred to in this catalogue is a circular printed label used throughout the coDection. It is edged in red except in the case of Walker's types where it is edged in green. Specimens bearing these labels have been regarded by common usage as types, though, as in most cases they were not so labelled by the author of the species, such an assumption is not always justified. However, since in most cases the same specimen also bears the author's own taxonomic label and is in every way consistent with being the specimen before, him at the time of des-cription, it is regarded here as being the holotype, or, where there is more than one
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