PRICES OF HUMBOLDT'S WORKS. 3*71 



and fifty francs, and two in octavo, in four and five 

 volumes, published at thirty-six francs. 



Observations on Zoology. Two quarto volumes. 

 Published at three hundred and fifty francs, (large paper 

 copies, four hundred and twenty francs.) 



Astronomical Observations. Two quarto volumes. 

 Published at one hundred and ninety-two francs, (large 

 paper copies, three hundred and fifty-two francs.) 



Equinoctial Plants. Two volumes, folio. Published 

 at five hundred and ten francs, (large paper copies, eight 

 hundred and fifty francs.) 



Monography of Melastomes. Two volumes, folio. 

 Published at eight hundred and sixty-four francs, (large 

 paper copies, one thousand four hundred and forty 

 francs.) 



Mimosas and other Leguminous Plants, folio. Pub- 

 lished at six hundred and seventy- two francs, (large paper 

 copies, eight hundred and forty francs.) 



Revision of Grammes in the New Genera. Two vo- 

 lumes, folio. Published at one thousand nine hundred 

 and twenty francs. 



The New Genera and Species of Plants. There are 

 two editions of this great work, one in quarto, in thirty- 

 six books or parts, and one in folio, in seven volumes. 

 The former was published at one thousand two hundred 

 and ninety-six francs, the latter at one thousand eight 

 hundred francs. (Large paper copies, three thousand six 

 hundred francs, six thousand four hundred and eighty 

 francs, and seven thousand two hundred francs.) 



The cheapest copies of these works cost at publication, 

 unless our arithmetic is at fault, five thousand nine hun- 

 dred and fifty-five francs, the dearest fourteen thousand 



