INTRODUCTION. 



The principal object of the present Nomenclature has been to 

 give a complete list of the species of the Neuropterous 

 Insects that haye been recorded as found in the British 

 Islands, with their principal Synonyms. 



It is intended for the following purptoses : — 



As a Complete List of the species at present known as 

 inhabiting the British Islands. 



As Labels for the Cabinet, for which purpose it has been 

 printed in a peculiar type and only on one side of the jmper. 



The Collection contains almost every species in the 

 list, and it consists of the type specimens described by 

 Dr. Leach, Mr. James Francis Stephens, Mr. Curtis, 

 and Mr. Francis Walker. 



The Nomenclature has been prepared by Mr. Adam White 

 firom Mr. Walker's Catalogue of the NErROPTERA, and 

 M. DE Selys Longchamp's work on the European 



LiBELLULIDiB. 



JOHN EDWARD GRAY. 

 October, 1853. 



