TABLE OF CONTENTS. 



PAGE 



I. INTRODUCTION i 



II. PRINCIPLES, CANONS, AND RECOMMENDATIONS . 18 



A. GENERAL PRINCIPLES 18 



B. CANONS OF ZOOLOGICAL NOMENCLATURE 22 



I. Of the Kinds of Names in Zoology 22 



2. Of the Binomial System as a Phase of Zoological No- 



menclature 29 



3. Of the Trinomial System as a Phase of Zoological No- 



menclature 30 



4. Of the Beginning of Zoological Nomenclature proper, 



and of the Operation of the Law of Priority ... 32 



5. Of Names Published Simultaneously 40 



6. Of the Retention of Names . . -41 



7. Of the Rejection of Names 47 



8. Of the Emendation of Names 51 



9. Of the Definition of Names 51 



10. Of the Publication of Names 54 



it. Of the Authority for Names 56 



C. RECOMMENDATIONS FOR ZOOLOGICAL NOMENCLATURE IN 



THE FUTURE 58 



12. Of the Construction and Selection of Names .... 58 



13. Of the Transliteration of Names 65 



14. Of the Description of Zoological Objects 67 



15. Of the Bibliography of Names 67 



1 6. Of the Selection of Vernacular Names 68 



III. CHECK-LIST OF NORTH AMERICAN BIRDS ... 71 



I. PYGOPODES 73 



a. Podicipedes 73 



I. Podicipidas 73 



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