VI 11 



SOURCES OF THE ILLUSTRATIONS. 



Fig. 679. From Nature. 



680. After Agaesiz. 



681-083. From Nature. 



684. Afier Authors. 



685. From Carpenter. 

 68li. " M. -Edwards. 

 687. t; Carpenter. 



688-695. After Agassiz. 



696. " M. -Edwards. 

 697-699. ' Agassiz. 



700. From Dana. 



701. " M. -Edwards. 



702. After Verrill. 

 703-704. " M. -Edwards. 

 705-707. From Dana. 



708. After M. -Edwards. 



709. From Brehm. 



710. After Dana. 



711. From M.-Edwards. 



712. After Dana. 



713. From Dana. 



