CONTENTS. 



PAGE. 



PTERYLOGRAPHY : 



FIRST PART GENERAL PTERYLOGRAPHY 1 



SECOND PART SPECIAL PTERYLOGRAPHY 43 



APPENDIX : 



ON THE AFFINITIES OF BAL^NICEPS. BY A. D. BARTLETT 155 



ON THE STRUCTURE OF LEPTOSOMA DISCOLOR. BY P. L. SCLATEK . 158 



LIST o* NITZSCH'S ORNITHOLOGICAL WORKS AND MEMOIRS . .164 



OBSERVATIONES DE AVIUM ARTERIA CAROTIDE COMMUNI, AUCTORE C. L. 



NITZSCH ..... 165 



. EXPLANATION OF THE PLATES . , - .176 



INDEX . 179 



