X CONTENTS. 



TEGENERIA MEDICINALIS, the Spider .... No. 20 



ACIPENSER HUSO, the Sturgeon 21 



Isis NOBILIS, the Coral . . . . . . . .22 



ANNELIDA TERRICOLA, Earth-worms ..... 23 



CROTALUS HORRIDUS, the Rattlesnake . . . . .24 



GLOSSARY. 



APPENDIX, containing a specimen of the Family Flora, together with 

 the Prospectus, Contents of the first and second volumes, and 

 various commendations. 



%* The bookbinder will be careful to place the pictures immedi- 

 ately in front of their respective numbers. 



