CONTENTS. 



CHAPTER VI. 



PACK 

 OF THE CLASS OF FISHES ....- 



ORDER I. ACANTHOFTERYGII 28 



ORDER II. MALACOPTERYGII ABDOMINALES . . . 41 



ORDER III. MALACOPTERYGII SUB-BRACHIATI ... 48 



ORDER IV. MAI?ACOPTERYGH APODA 



ORDER V. LOPHOBRANCHII 53 



ORDER VI. PLECTOGNATHI 54 



ORDER VII. CHONDROPTERYGH BRANCHIIS LIBERIS . . 57 



ORDER VIII. CHONDROPTERYGII BRANCHIIS FIXIS . . . 58 



ORDER IX. CYCLOSTOMATA 63 



CHAPTER VII. 



GENERAL CHARACTERS OF ARTICULATED ANIMALS .... 74 



CHAPTER VIII. 



OF THE CLASS OF INSECTS ..... 84 



SUB-CLASS A. WINGED INSECTS 



ORDER I. COLEOPTERA, OR BEETLES . . H7 



ORDER II. ORTHOPTEHA 137 



ORDER III. NEUROPTERA 147 



ORDER IV. HYMENOPTERA 15 6 



ORDER V. LBPIDOPTERA 172 



