CONTENTS OF THE SECOND VOLUME, 



EXHIBITING THE FINAL CORRECTIONS AND ADDITIONS. 



Species of questionable indigenousness are printed in italics ; spurious and 

 unrecognized species in nonpareil. The addition of (a. i.) to a species refers the 

 reader to the first Appendix, or Supplementary Notes on the Acephala, in the 

 Second Volume, (a. ii.) to the Appendix at the end of the work. 



PAGE 



ACEPHALA LAMELLIBRAN- 



C^//17M continued. 



