C O ET T E N T S. 



PAGE 



CLASS IX. AVES 1 



SUB-CLASS I. SAURUR^E 21 



ORDER I. ORNITHOPAPPI 21 



SUB-CLASS II. ODONTOKM^E 23 



ORDER I. PTEROPAPPI 23 



SUB-CLASS III. ODONTOHOLC^E 27 



ORDER I. DROM.EOPAPPI 27 



SUB-CLASS IV. EURHIPIDUR^E . 31 



SUPER-ORDER I. DROM^EOGNATH^E 31 



ORDER I. STRUTHIONES 32 



ORDER II. ^EPIORNITHES 47 



ORDER III. APTERYGES 48 



ORDER IY. CRYPTURI 51 



ORDER. GASTORNITHES 54 



SUPER-ORDER II. IMPENNES 56 



ORDER V. PTILOPTERI 58 



SUPER-ORDER III. EUORNITHES 64 



ORDER VI. C^ECOMORPH^E 64 



ORDER VII. GRALL.E 91 



ORDER VIII. CH^ENOMORPILE 132 



ORDER IX. HERODII 157 



ORDER X. STEGANOPODES 179 



ORDER XI. OPISTHOCOMI 196 



ORDER XII. GALLING .... 197 



SUB-ORDER I. GALLING ALECTEROPODES 198 



SUB-ORDER II. GALLIN^E PERISTEROPODES L'-_".I 



ORDER XIII. PTEROCLETES 235 



ORDER XIV. COLUMB.E i':'.; 



ORDER XV. ACCIPITRES 260 



ORDER XVI. PSITTACI r,4'.i 



ORDER XVII. PICARI.E . .368 



ORDER XVIII. PASSERES -4 (is 



