THE GENERIC NAMES OF 



THE BUTTERFLIES 

 AND THEIR TYPE-SPECIES 

 (LEPIDOPTERA : RHOPALOCERA) 



By FRANCIS HEMMING 



CONTENTS 



Page 

 Introduction 



I. Object of the present work ......... 6 



II Application of the revised International Code of Zoological Nomen- 

 clature PUBLISHED IN I96I 



(a) Incorporation in the present work ol such modifications of previous 



conclusions as have been rendered necessary by the new Code . 7 



(b) Revision of provisions relating to the determination of the precedence 



to be accorded to generic names published on the same date . . 7 



(c) Clarification of the provisions relating to the selection of lectotypes for 



nominal species ......... 7 



(d) Increased emphasis in the revised Code on the need for stability and 



uniformity in zoological nomenclature ...... 8 



III. Scope and arrangement 



(a) Compilation of a single world list instead of a series of zoo-geographical 



faunistic lists .......... 8 



(b) Exclusion of systematic considerations and consequent adoption of an 



alphabetical basis for the arrangement of generic names . . 9 



(c) Determination of the taxa represented by nominal species which are the 



type-species of genera . . . . . . . . 10 



IV. Collection of the information 



(a) Building-up of the list of generic names . . . . . . 11 



(b) Determination of cases of generic homonymy . . . . . 12 



(c) Determination of the type-species of genera and consequent ascertain- 



ment of the status of the names of genera under the Law of Priority 13 



(d) Selection of type-species for genera found to be still in need of definition 



in this way .......... 14 



V. Determination of dates of publication ...... 15 



VI. Form of entry adopted 



(a) Abbreviation of titles ......... 17 



(b) Adoption of the form of entry employed by the International Commis- 



sion on Zoological Nomenclature in the " Official List of Generic Names 



in Zoology ".......... 18 



VII. Acknowledgments and thanks ........ 18 



Alphabetical List of the Generic Names of the Butterflies of the 



World ............. 20 



Index .............. 468 



