Volume 57, Part 2, 30 June 2000, pp. 69-136 ISSN 0007-5167 stum The Bulletin of Zoological Nomenclature Original from and digitized by National University of Singapore Libraries THE BULLETIN OF ZOOLOGICAL NOMENCLATURE The Bulletin is published four times a year for the International Commission on Zoological Nomenclature by the International Trust for Zoological Nomenclature, a charity (no. 211944) registered in England. The annual subscription for 2000 is £110 or $200, postage included. All manuscripts, letters and orders should be sent to: The Executive Secretary, International Commission on Zoological Nomenclature, c/o The Natural History Museum, Cromwell Road, London, SW7 5BD, U.K. (Tel. 020 7942 5653) (e-mail:
[email protected]) (http://www.iczn.org) INTERNATIONAL COMMISSION ON ZOOLOGICAL NOMENCLATURE Officers President Prof A. Minelli {Italy) Vice-President Dr W. N. Eschmeyer (U.S.A.) Executive Secretary Dr P. K. Tubbs (United Kingdom) Members Prof W. J. Bock (U.S.A.; Ornithology) Dr V. Mahnert Prof P. Bouchet (France; Mollusca) (Switzerland; Ichthyology) Prof D. J. Brothers Prof U. R. Martins de Souza (South Africa; Hymenoptera) (Brazil; Coleoptera) Dr L. R. M. Cocks (U.K.; Brachiopoda) Prof S. F. Mawatari (Japan; Bryozoa) DrH.G. Cogger (Australia; Herpetology) Prof A. Minelli (Italy; Myriapoda) Prof C. Dupuis (France; Heteroptera) Dr C. Nielsen (Denmark; Bryozoa) Dr W. N. Eschmeyer Dr L. Papp (Hungary; Diptera) (U.S.A.; Ichthyology) Prof D. J. Patterson (Australia; Protista) Mr D. Heppell (U.K.; Mollusca) Prof W. D. L. Rid^(Australia; Mammalia) Dr I. M. Kerzhner (Russia; Heteroptera) Prof J. M. Savage (U.S. A; Herpetology) Prof Dr O.