CONTENTS OF YOL. II. 



CHAPTER VII. 



PAGE 



OF THE CLASS OF FISHES ...... 1 



ORDER I. SELACHU . . . . .29 



ORDER II. GANOIDEI .... 39 



ORDER III. TELEOSTEI . . . . .43 



A. PLECTOGNATHI . 4i> 



B. LOPHOBRANCHII . . . . .47 



C. ACANTHOPTERI .... 48 



D. PHA.RYNGOGNATHI . . . .62 



E. ANACANTHINI .... 65 



F. PHYSOSTOMI . . . . .68 



ORDER IV. CYCLOSTOMI .... 76 



ORDER V. LEPTOCARDI . . . . .78 



CHAPTER VIII. 

 GKEITEEAL CHAEACTEES OF ABTIOTTLATED ANIMALS . *75 



CHAPTER IX. 

 OF THE CLASS OF INSECTS 84 



SUB-CLASS A. METABOLA. 



ORDER I. COLEOPTERA . . . . . 117 



ORDER II. ORTHOPTERA .... 141 



</DER HI. FHYSOPODA .... 15 



ORDER IV. NEUROPTERA .... 153 



ORDER V. HYMENOPTERA .... 163 



ORDER VI. LEPIDOPTERA . . . .172 



