[ CHAPTER 2.XV. — MISCELLANEOUS BOTANICAL LETTERS. ]

[ CHAPTER 2.XVI. — CONCLUSION. ]

[ APPENDIX I. ]

[ APPENDIX II. ]

[ Notes upon the Rhea Americana. Zoology Society Proc., Part v. 1837. ]

[ Notes on the Effects produced by the Ancient Glaciers of ]

[ Notes on the Fertilization of Orchids. Annals and Magazine of Natural ]

[ APPENDIX III. ]

[ APPENDIX IV. ]